/* ============================================
   AI Troubleshooting Knowledge Platform
   Main Stylesheet — Theme Settings 2.0 Ready
   ============================================ */

/* ------------------------------------------
   DYNAMIC CSS VARIABLES (Theme Settings 2.0)
   These are overridden by wp_head inline CSS
   ------------------------------------------ */
:root {
    /* Colors */
    --c-primary:   #0F172A;
    --c-accent:    #06B6D4;
    --c-success:   #10B981;
    --c-bg:        #FFFFFF;
    --c-surface:   #F8FAFC;
    --c-surface-2: #F1F5F9;
    --c-border:    #E2E8F0;
    --c-border-2:  #CBD5E1;
    --c-text:      #0F172A;
    --c-text-2:    #334155;
    --c-muted:     #64748B;
    --c-danger:    #EF4444;
    --c-warning:   #F59E0B;

    /* Typography — Dynamic from Theme Settings */
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body:   -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono:   'SF Mono', SFMono-Regular, ui-monospace, Menlo, Monaco, Consolas, monospace;

    /* Layout — Dynamic from Theme Settings */
    --container-width: 1200px;
    --sidebar-width: 320px;
    --header-h: 64px;
    --content-pad-x: 16px;

    /* Cards — Dynamic from Theme Settings */
    --card-radius: 14px;
    --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
    --card-hover-transform: translateY(-3px);
    --card-hover-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --card-border: 1px solid var(--c-border);

    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* Radius presets */
    --r-sm:  6px;
    --r-md:  10px;
    --r-lg:  14px;
    --r-xl:  20px;
    --r-full: 9999px;

    /* Transitions */
    --t-fast:  0.15s ease;
    --t-base:  0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --t-slow:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 640px) {
    :root { --content-pad-x: 24px; }
}

@media (min-width: 1024px) {
    :root { --content-pad-x: 32px; }
}

/* ------------------------------------------
   DARK MODE
   ------------------------------------------ */
html[data-theme="dark"] {
    --c-primary:   #0B1120;
    --c-accent:    #22D3EE;
    --c-success:   #34D399;
    --c-bg:        #0F172A;
    --c-surface:   #1E293B;
    --c-surface-2: #334155;
    --c-border:    #334155;
    --c-border-2:  #475569;
    --c-text:      #F1F5F9;
    --c-text-2:    #CBD5E1;
    --c-muted:     #94A3B8;
    color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) {
        --c-primary:   #0B1120;
        --c-accent:    #22D3EE;
        --c-success:   #34D399;
        --c-bg:        #0F172A;
        --c-surface:   #1E293B;
        --c-surface-2: #334155;
        --c-border:    #334155;
        --c-border-2:  #475569;
        --c-text:      #F1F5F9;
        --c-text-2:    #CBD5E1;
        --c-muted:     #94A3B8;
        color-scheme: dark;
    }
}

/* ------------------------------------------
   THEME SETTINGS 2.0 — CARD STYLES
   ------------------------------------------ */
/* Card Radius Variants */
.card-style--sharp { --card-radius: 0px; }
.card-style--soft  { --card-radius: 8px; }
.card-style--rounded { --card-radius: 14px; }

/* Card Shadow Variants */
.card-shadow--none { --card-shadow: none; }
.card-shadow--small { --card-shadow: 0 1px 2px 0 rgba(15, 23, 42, 0.05); }
.card-shadow--medium { --card-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04); }
.card-shadow--large { --card-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04); }

/* Hover Effect Variants */
.hover--none { --card-hover-transform: none; --card-hover-shadow: none; }
.hover--lift { --card-hover-transform: translateY(-3px); --card-hover-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08); }
.hover--scale { --card-hover-transform: scale(1.02); --card-hover-shadow: 0 10px 15px -3px rgba(15, 23, 42, 0.08); }
.hover--glow { --card-hover-transform: translateY(-2px); --card-hover-shadow: 0 0 0 1px var(--c-accent), 0 10px 15px -3px rgba(6, 182, 212, 0.15); }

/* ------------------------------------------
   NO TRANSITION (Theme Switching)
   ------------------------------------------ */
.no-transition,
.no-transition * {
    transition: none !important;
    animation: none !important;
}

/* ------------------------------------------
   RESET & BASE
   ------------------------------------------ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--c-text);
    background-color: var(--c-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

a {
    color: var(--c-accent);
    text-decoration: none;
    transition: color var(--t-fast), opacity var(--t-fast);
}

a:hover, a:focus { opacity: 0.85; outline: none; }
a:focus-visible {
    outline: 2px solid var(--c-accent);
    outline-offset: 2px;
    border-radius: var(--r-sm);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
}

/* ------------------------------------------
   UTILITIES
   ------------------------------------------ */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-left: var(--content-pad-x);
    padding-right: var(--content-pad-x);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -60px;
    left: 0;
    background: var(--c-primary);
    color: #fff;
    padding: var(--space-3) var(--space-5);
    z-index: 10000;
    font-weight: 600;
    border-radius: 0 0 var(--r-md) 0;
    transition: top var(--t-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.skip-link:focus { top: 0; }

/* ------------------------------------------
   HEADER
   ------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--c-border);
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: box-shadow var(--t-base);
}

.site-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

html[data-theme="dark"] .site-header {
    background: rgba(15, 23, 42, 0.92);
}

html[data-theme="dark"] .site-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: var(--space-3);
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--c-text);
    flex-shrink: 0;
    min-width: 0;
}

.site-logo:hover { opacity: 1; color: var(--c-accent); }

.site-logo__img {
    max-height: 32px;
    width: auto;
    flex-shrink: 0;
}

.site-logo__icon {
    width: 28px;
    height: 28px;
    color: var(--c-accent);
    flex-shrink: 0;
}

.site-logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
}

.site-logo__name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.0625rem;
    color: var(--c-text);
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-logo__tagline {
    font-size: 0.6875rem;
    color: var(--c-muted);
    font-weight: 500;
    display: none;
}

@media (min-width: 640px) {
    .site-logo__tagline { display: block; }
}

/* Header Right */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
    margin-left: auto;
}

/* Buttons */
.header-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--r-md);
    border: 1px solid var(--c-border);
    background: var(--c-surface);
    color: var(--c-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--t-base);
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.header-btn:hover {
    background: var(--c-surface-2);
    color: var(--c-accent);
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.08);
}

.header-btn:active { transform: scale(0.96); }
.header-btn svg { width: 20px; height: 20px; }
.header-btn.is-active {
    background: var(--c-accent);
    color: #fff;
    border-color: var(--c-accent);
}

/* Dark Mode Toggle Icons */
.dark-mode-toggle .icon-moon { display: none; }
html[data-theme="dark"] .dark-mode-toggle .icon-sun { display: none; }
html[data-theme="dark"] .dark-mode-toggle .icon-moon { display: block; }

/* Menu Toggle */
.menu-toggle { display: flex; }
@media (min-width: 768px) { .menu-toggle { display: none; } }

.menu-toggle__open { display: block; }
.menu-toggle__close { display: none; }
.menu-toggle.is-active .menu-toggle__open { display: none; }
.menu-toggle.is-active .menu-toggle__close { display: block; }

/* Primary Navigation */
.primary-nav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-4) var(--content-pad-x);
    box-shadow: var(--card-shadow);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    z-index: 98;
}

html[data-theme="dark"] .primary-nav {
    background: rgba(15, 23, 42, 0.98);
}

.primary-nav.is-open { display: block; }

.primary-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.primary-nav a {
    display: block;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--r-md);
    color: var(--c-text-2);
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--t-base);
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
    background: var(--c-surface);
    color: var(--c-accent);
    opacity: 1;
}

@media (min-width: 768px) {
    .primary-nav {
        display: flex !important;
        position: static;
        border: none;
        padding: 0;
        background: transparent;
        backdrop-filter: none;
        box-shadow: none;
        max-height: none;
        overflow: visible;
        margin-left: auto;
        z-index: auto;
    }
    .primary-nav.is-open { display: flex !important; }
    .primary-nav ul {
        flex-direction: row;
        gap: var(--space-1);
    }
}

/* Search Dropdown */
.header-search-dropdown {
    max-height: 0;
    overflow: hidden;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    transition: max-height var(--t-slow), opacity var(--t-base);
    opacity: 0;
}

.header-search-dropdown.is-open {
    max-height: 120px;
    opacity: 1;
}

.header-search-dropdown__inner {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) 0;
    position: relative;
}

.header-search-dropdown__icon {
    width: 22px;
    height: 22px;
    color: var(--c-muted);
    flex-shrink: 0;
}

.header-search-dropdown__input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1.0625rem;
    font-family: var(--font-body);
    color: var(--c-text);
    outline: none;
    padding: var(--space-2) 0;
    min-width: 0;
}

.header-search-dropdown__input::placeholder { color: var(--c-muted); }

.header-search-dropdown__shortcut {
    display: none;
    padding: var(--space-1) var(--space-3);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--c-muted);
    font-weight: 600;
}

@media (min-width: 640px) {
    .header-search-dropdown__shortcut { display: inline-block; }
}

/* ------------------------------------------
   SEARCH HERO
   ------------------------------------------ */
.search-hero {
    background: linear-gradient(135deg, var(--c-primary) 0%, #1e293b 50%, #0f172a 100%);
    color: #fff;
    padding: var(--space-12) 0 var(--space-16);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.search-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.search-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.search-hero .container { position: relative; z-index: 1; }

.search-hero__title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-4);
    line-height: 1.15;
    letter-spacing: -0.02em;
    padding: 0 var(--space-2);
}

.search-hero__subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: var(--space-8);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    padding: 0 var(--space-4);
}

.search-hero__form {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 var(--space-4);
}

.search-hero__icon-wrap {
    position: absolute;
    left: calc(var(--space-4) + 4px);
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.45);
    width: 22px;
    height: 22px;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.search-hero__icon-wrap svg { width: 100%; height: 100%; }

.search-hero__input {
    width: 100%;
    padding: var(--space-4) var(--space-5) var(--space-4) 52px;
    border-radius: var(--r-xl);
    border: 2px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 1rem;
    font-family: var(--font-body);
    outline: none;
    transition: all var(--t-base);
    backdrop-filter: blur(4px);
}

.search-hero__input::placeholder { color: rgba(255, 255, 255, 0.4); }

.search-hero__input:focus {
    border-color: var(--c-accent);
    background: rgba(255, 255, 255, 0.12);
    box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
}

.search-hero__tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
    padding: 0 var(--space-4);
}

.search-hero__tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--t-base);
    white-space: nowrap;
}

.search-hero__tag:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
    transform: translateY(-1px);
    opacity: 1;
}

.search-hero__tag svg { width: 14px; height: 14px; flex-shrink: 0; }

@media (min-width: 640px) {
    .search-hero { padding: var(--space-16) 0 var(--space-20); }
    .search-hero__title { font-size: 2.5rem; }
    .search-hero__subtitle { font-size: 1.125rem; }
    .search-hero__input { font-size: 1.0625rem; padding: 18px 24px 18px 56px; }
    .search-hero__icon-wrap { left: calc(var(--space-4) + 8px); width: 24px; height: 24px; }
}

@media (min-width: 1024px) {
    .search-hero__title { font-size: 3rem; }
}

/* ------------------------------------------
   SECTIONS
   ------------------------------------------ */
.section { padding: var(--space-10) 0; }
@media (min-width: 768px) { .section { padding: var(--space-16) 0; } }

.section--alt {
    background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-bg) 100%);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

.section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.section__title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--c-text);
    letter-spacing: -0.02em;
    position: relative;
    padding-left: var(--space-4);
}

.section__title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--c-accent), var(--c-success));
}

.section__link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-accent);
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--r-md);
    background: rgba(6, 182, 212, 0.06);
    border: 1px solid rgba(6, 182, 212, 0.12);
    transition: all var(--t-base);
    flex-shrink: 0;
}

.section__link:hover {
    background: rgba(6, 182, 212, 0.12);
    border-color: rgba(6, 182, 212, 0.25);
    opacity: 1;
    transform: translateX(2px);
}

.section__link svg { width: 16px; height: 16px; transition: transform var(--t-base); }
.section__link:hover svg { transform: translateX(3px); }

@media (min-width: 640px) {
    .section__title { font-size: 1.375rem; }
}

/* ------------------------------------------
   CARD GRID
   ------------------------------------------ */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .card-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
}

@media (min-width: 1024px) {
    .card-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ------------------------------------------
   CARDS — Dynamic Theme Settings
   ------------------------------------------ */
.card {
    background: var(--c-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--space-5);
    box-shadow: var(--card-shadow);
    transition: all var(--t-base);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-success));
    opacity: 0;
    transition: opacity var(--t-base);
}

.card:hover {
    transform: var(--card-hover-transform);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--c-border-2);
}

.card:hover::before { opacity: 1; }

.card__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--c-surface) 0%, var(--c-surface-2) 100%);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--c-accent);
    flex-shrink: 0;
    transition: all var(--t-base);
}

.card:hover .card__icon {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
    border-color: rgba(6, 182, 212, 0.2);
    transform: scale(1.05);
}

.card__icon svg { width: 24px; height: 24px; }

.card__title {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--space-2);
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.card__title a { color: inherit; text-decoration: none; }
.card__title a:hover { color: var(--c-accent); opacity: 1; }

.card__excerpt {
    font-size: 0.875rem;
    color: var(--c-muted);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: var(--space-4);
}

.card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8125rem;
    color: var(--c-muted);
    padding-top: var(--space-3);
    border-top: 1px solid var(--c-border);
    flex-wrap: wrap;
}

.card__badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--r-full);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

/* Card Type Colors */
.badge--tool { background: rgba(6, 182, 212, 0.1); color: #0891b2; }
.badge--issue { background: rgba(239, 68, 68, 0.1); color: #dc2626; }
.badge--fix { background: rgba(16, 185, 129, 0.1); color: #059669; }
.badge--workflow { background: rgba(139, 92, 246, 0.1); color: #7c3aed; }
.badge--configuration { background: rgba(245, 158, 11, 0.1); color: #d97706; }
.badge--post, .badge--page { background: rgba(100, 116, 139, 0.1); color: #475569; }

html[data-theme="dark"] .badge--tool { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
html[data-theme="dark"] .badge--issue { background: rgba(239, 68, 68, 0.15); color: #f87171; }
html[data-theme="dark"] .badge--fix { background: rgba(16, 185, 129, 0.15); color: #34d399; }
html[data-theme="dark"] .badge--workflow { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
html[data-theme="dark"] .badge--configuration { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }

/* Difficulty / Severity */
.difficulty-beginner { background: #D1FAE5; color: #065F46; }
.difficulty-intermediate { background: #DBEAFE; color: #1E40AF; }
.difficulty-advanced { background: #FEF3C7; color: #92400E; }
.difficulty-expert { background: #FEE2E2; color: #991B1B; }

.severity-low { background: #D1FAE5; color: #065F46; }
.severity-medium { background: #FEF3C7; color: #92400E; }
.severity-high { background: #FEE2E2; color: #991B1B; }
.severity-critical { background: #FECACA; color: #7F1D1D; }

html[data-theme="dark"] .difficulty-beginner { background: rgba(16, 185, 129, 0.15); color: #34D399; }
html[data-theme="dark"] .difficulty-intermediate { background: rgba(59, 130, 246, 0.15); color: #60A5FA; }
html[data-theme="dark"] .difficulty-advanced { background: rgba(245, 158, 11, 0.15); color: #FBBF24; }
html[data-theme="dark"] .difficulty-expert { background: rgba(239, 68, 68, 0.15); color: #F87171; }

html[data-theme="dark"] .severity-low { background: rgba(16, 185, 129, 0.15); color: #34D399; }
html[data-theme="dark"] .severity-medium { background: rgba(245, 158, 11, 0.15); color: #FBBF24; }
html[data-theme="dark"] .severity-high { background: rgba(239, 68, 68, 0.15); color: #F87171; }
html[data-theme="dark"] .severity-critical { background: rgba(239, 68, 68, 0.25); color: #FCA5A5; }

/* Tool Card */
.tool-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-5);
    border: var(--card-border);
    border-radius: var(--card-radius);
    background: var(--c-bg);
    box-shadow: var(--card-shadow);
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--c-accent), var(--c-success));
    opacity: 0;
    transition: opacity var(--t-base);
}

.tool-card:hover {
    transform: var(--card-hover-transform);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--c-border-2);
}

.tool-card:hover::before { opacity: 1; }

.tool-card__image {
    width: 56px;
    height: 56px;
    border-radius: var(--r-md);
    object-fit: cover;
    flex-shrink: 0;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
}

.tool-card__content { flex: 1; min-width: 0; }

.tool-card__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--space-1);
    letter-spacing: -0.01em;
}

.tool-card__title a { color: inherit; text-decoration: none; }
.tool-card__title a:hover { color: var(--c-accent); opacity: 1; }

.tool-card__desc {
    font-size: 0.875rem;
    color: var(--c-muted);
    line-height: 1.5;
}

.tool-card__count {
    font-size: 0.8125rem;
    color: var(--c-muted);
    margin-top: var(--space-2);
    font-weight: 500;
}

/* Issue / Fix Cards */
.issue-card { border-left: 4px solid var(--c-accent); }
.fix-card { border-left: 4px solid var(--c-success); }

/* ------------------------------------------
   CATEGORY GRID
   ------------------------------------------ */
.category-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) { .category-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .category-grid { grid-template-columns: repeat(4, 1fr); } }

.category-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    border: var(--card-border);
    border-radius: var(--card-radius);
    background: var(--c-bg);
    box-shadow: var(--card-shadow);
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-success));
    opacity: 0;
    transition: opacity var(--t-base);
}

.category-card:hover {
    transform: var(--card-hover-transform);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--c-border-2);
}

.category-card:hover::before { opacity: 1; }

.category-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--c-surface) 0%, var(--c-surface-2) 100%);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    flex-shrink: 0;
    transition: all var(--t-base);
}

.category-card:hover .category-card__icon {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
    transform: scale(1.08);
}

.category-card__icon svg { width: 22px; height: 22px; }

.category-card__title {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--space-1);
}

.category-card__count {
    font-size: 0.8125rem;
    color: var(--c-muted);
    font-weight: 500;
}

/* ------------------------------------------
   EMPTY STATE
   ------------------------------------------ */
.empty-state {
    text-align: center;
    padding: var(--space-10) var(--space-6);
    background: var(--c-surface);
    border-radius: var(--card-radius);
    border: 1px dashed var(--c-border-2);
}

.empty-state__icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--space-4);
    color: var(--c-muted);
    opacity: 0.5;
}

.empty-state__title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text-2);
    margin-bottom: var(--space-2);
}

.empty-state__desc {
    font-size: 0.875rem;
    color: var(--c-muted);
    margin-bottom: var(--space-4);
}

.empty-state__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-5);
    background: var(--c-accent);
    color: #fff;
    border-radius: var(--r-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--t-base);
}

.empty-state__link:hover {
    background: var(--c-primary);
    color: #fff;
    opacity: 1;
    transform: translateY(-1px);
}

/* ------------------------------------------
   BREADCRUMB
   ------------------------------------------ */
.breadcrumb-nav {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    padding: var(--space-3) 0;
    font-size: 0.875rem;
}

.breadcrumb-nav .container {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.breadcrumb-nav a {
    color: var(--c-muted);
    font-weight: 500;
    transition: color var(--t-fast);
}

.breadcrumb-nav a:hover { color: var(--c-accent); opacity: 1; }

.breadcrumb-sep {
    color: var(--c-border-2);
    font-weight: 300;
    font-size: 0.75rem;
    user-select: none;
}

.breadcrumb-current {
    color: var(--c-text);
    font-weight: 600;
}

/* ------------------------------------------
   SINGLE POST LAYOUT
   ------------------------------------------ */
.single-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    padding: var(--space-6) 0 var(--space-16);
}

@media (min-width: 1024px) {
    .single-layout {
        grid-template-columns: 1fr var(--sidebar-width);
        gap: var(--space-10);
    }
}

.single-main { min-width: 0; overflow-wrap: break-word; word-wrap: break-word; hyphens: auto; }
.single-sidebar { min-width: 0; }

/* Single Header */
.single-header {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--c-border);
}

.single-header__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    align-items: center;
}

.single-header__title {
    font-family: var(--font-heading);
    font-size: 1.625rem;
    font-weight: 800;
    color: var(--c-text);
    line-height: 1.2;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    word-break: break-word;
}

@media (min-width: 640px) { .single-header__title { font-size: 2rem; } }
@media (min-width: 1024px) { .single-header__title { font-size: 2.5rem; } }

.single-header__excerpt {
    font-size: 1.0625rem;
    color: var(--c-muted);
    line-height: 1.6;
}

/* Content Body */
.content-body {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--c-text-2);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.content-body > *:first-child { margin-top: 0; }

.content-body h2 {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--c-text);
    margin: var(--space-10) 0 var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--c-border);
    letter-spacing: -0.01em;
    word-break: break-word;
}

@media (min-width: 640px) { .content-body h2 { font-size: 1.5rem; } }

.content-body h3 {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--c-text);
    margin: var(--space-8) 0 var(--space-3);
    letter-spacing: -0.01em;
    word-break: break-word;
}

@media (min-width: 640px) { .content-body h3 { font-size: 1.25rem; } }

.content-body p { margin-bottom: var(--space-4); }

.content-body ul,
.content-body ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

@media (min-width: 640px) {
    .content-body ul,
    .content-body ol { padding-left: var(--space-8); }
}

.content-body li { margin-bottom: var(--space-2); }

.content-body a {
    color: var(--c-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1.5px;
    word-break: break-word;
}

.content-body a:hover { color: var(--c-text); opacity: 1; }

.content-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--c-surface);
    padding: 2px 6px;
    border-radius: var(--r-sm);
    color: var(--c-accent);
    border: 1px solid var(--c-border);
    word-break: break-word;
}

.content-body pre {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #e2e8f0;
    padding: var(--space-5);
    border-radius: var(--card-radius);
    overflow-x: auto;
    margin-bottom: var(--space-5);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.7;
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    -webkit-overflow-scrolling: touch;
}

.content-body pre code {
    background: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
    border: none;
}

.content-body blockquote {
    border-left: 4px solid var(--c-accent);
    padding: var(--space-4) var(--space-4) var(--space-4) var(--space-5);
    margin: var(--space-5) 0;
    color: var(--c-muted);
    font-style: italic;
    background: var(--c-surface);
    border-radius: 0 var(--r-md) var(--r-md) 0;
}

.content-body img {
    border-radius: var(--card-radius);
    margin: var(--space-5) 0;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--c-border);
    max-width: 100%;
    height: auto;
}

.content-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-5);
    font-size: 0.9375rem;
    overflow-x: auto;
    display: block;
}

@media (min-width: 640px) { .content-body table { display: table; } }

.content-body th,
.content-body td {
    padding: var(--space-3);
    text-align: left;
    border-bottom: 1px solid var(--c-border);
}

.content-body th {
    font-weight: 600;
    color: var(--c-text);
    border-bottom-width: 2px;
}

.content-body td { color: var(--c-text-2); }

/* ------------------------------------------
   STEP-BY-STEP FIX
   ------------------------------------------ */
.fix-steps { margin: var(--space-8) 0; }

.fix-step {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5) 0;
    border-bottom: 1px solid var(--c-border);
}

.fix-step:last-child { border-bottom: none; }

@media (min-width: 640px) {
    .fix-step { gap: var(--space-5); padding: var(--space-6) 0; }
}

.fix-step__number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-accent), #0891b2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.25);
}

@media (min-width: 640px) {
    .fix-step__number { width: 44px; height: 44px; font-size: 1.0625rem; }
}

.fix-step__content { flex: 1; min-width: 0; }

.fix-step__title {
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
    word-break: break-word;
}

.fix-step__description {
    font-size: 0.9375rem;
    color: var(--c-text-2);
    line-height: 1.7;
    margin-bottom: var(--space-3);
    word-break: break-word;
}

.fix-step__screenshot {
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    margin-top: var(--space-3);
    border: 1px solid var(--c-border);
}

.fix-step__screenshot img {
    width: 100%;
    margin: 0;
    border: none;
    border-radius: 0;
}

/* ------------------------------------------
   KNOWLEDGE SIDEBAR
   ------------------------------------------ */
.knowledge-sidebar {
    position: sticky;
    top: calc(var(--header-h) + var(--space-6));
    align-self: start;
}

.sidebar-block {
    background: var(--c-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    box-shadow: var(--card-shadow);
    transition: box-shadow var(--t-base);
}

.sidebar-block:hover { box-shadow: var(--card-hover-shadow); }

.sidebar-block__title {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.sidebar-block__title::before {
    content: '';
    width: 4px;
    height: 16px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--c-accent), var(--c-success));
    flex-shrink: 0;
}

.sidebar-list { list-style: none; }

.sidebar-list li { margin-bottom: var(--space-1); }

.sidebar-list a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--c-text-2);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--c-border);
    transition: all var(--t-base);
    word-break: break-word;
}

.sidebar-list a:hover {
    color: var(--c-accent);
    padding-left: var(--space-1);
    opacity: 1;
}

.sidebar-list li:last-child a { border-bottom: none; }

.sidebar-list__icon {
    width: 18px;
    height: 18px;
    color: var(--c-muted);
    flex-shrink: 0;
    opacity: 0.6;
    transition: opacity var(--t-fast);
}

.sidebar-list a:hover .sidebar-list__icon {
    opacity: 1;
    color: var(--c-accent);
}

/* Sidebar Stats */
.sidebar-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.sidebar-stat {
    text-align: center;
    padding: var(--space-3);
    background: var(--c-surface);
    border-radius: var(--r-md);
    border: 1px solid var(--c-border);
}

.sidebar-stat__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--c-accent);
    line-height: 1;
    margin-bottom: var(--space-1);
}

.sidebar-stat__label {
    font-size: 0.75rem;
    color: var(--c-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Sidebar Tags */
.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.sidebar-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--r-full);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    color: var(--c-text-2);
    font-size: 0.75rem;
    font-weight: 500;
    transition: all var(--t-base);
    text-decoration: none;
}

.sidebar-tag:hover {
    background: var(--c-surface-2);
    border-color: var(--c-accent);
    color: var(--c-accent);
}

/* Sidebar Card */
.sidebar-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: var(--space-4);
    transition: all var(--t-base);
}

.sidebar-card:hover {
    border-color: var(--c-border-2);
    box-shadow: 0 2px 4px rgba(15, 23, 42, 0.05);
}

.sidebar-card__link {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: inherit;
    text-decoration: none;
}

.sidebar-card__link:hover { opacity: 1; }

.sidebar-card__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    flex-shrink: 0;
}

.sidebar-card__icon svg { width: 18px; height: 18px; }

.sidebar-card__content { flex: 1; min-width: 0; }

.sidebar-card__title {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: var(--space-1);
    line-height: 1.4;
    word-break: break-word;
}

.sidebar-card__excerpt {
    font-size: 0.8125rem;
    color: var(--c-muted);
    line-height: 1.5;
    word-break: break-word;
}

/* ------------------------------------------
   INFO BOXES
   ------------------------------------------ */
.info-box {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--card-radius);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
    position: relative;
    overflow: hidden;
}

.info-box::before {
    content: '';
    position: absolute;
    top: 0;
    inset-inline-start: 0; /* يجعل التلوين يبدأ من اليمين في العربية ومن اليسار في الإنجليزية */
    width: 4px;
    height: 100%;
    border-start-start-radius: var(--card-radius);
    border-end-start-radius: var(--card-radius);
}

.info-box p { margin: 0; position: relative; z-index: 1; }

.info-box--danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.04) 0%, var(--c-surface) 100%);
    border-color: rgba(239, 68, 68, 0.15);
}
.info-box--danger::before { background: var(--c-danger); }

.info-box--warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.04) 0%, var(--c-surface) 100%);
    border-color: rgba(245, 158, 11, 0.15);
}
.info-box--warning::before { background: var(--c-warning); }

.info-box--symptoms {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.04) 0%, var(--c-surface) 100%);
    border-color: rgba(6, 182, 212, 0.15);
}
.info-box--symptoms::before { background: var(--c-accent); }

/* Fix Verification */
.fix-verification {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.06) 0%, var(--c-surface) 100%);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: var(--card-radius);
    padding: var(--space-5);
    margin-bottom: var(--space-6);
    position: relative;
    overflow: hidden;
}

.fix-verification::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--c-success);
    border-radius: var(--card-radius) 0 0 var(--card-radius);
}

.fix-verification__label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--c-success);
    margin-bottom: var(--space-3);
    font-size: 0.9375rem;
    position: relative;
    z-index: 1;
}

.fix-verification__label svg { width: 18px; height: 18px; }

/* ------------------------------------------
   TOOL HERO
   ------------------------------------------ */
.tool-hero {
    background: linear-gradient(135deg, var(--c-primary) 0%, #1e293b 50%, #0f172a 100%);
    color: #fff;
    padding: var(--space-12) 0 var(--space-10);
    position: relative;
    overflow: hidden;
}

.tool-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.tool-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.tool-hero .container { position: relative; z-index: 1; }

.tool-hero__grid {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    flex-wrap: wrap;
}

.tool-hero__logo { flex-shrink: 0; }

.tool-hero__logo img {
    width: 80px;
    height: 80px;
    border-radius: var(--r-lg);
    object-fit: cover;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2);
}

@media (min-width: 640px) { .tool-hero__logo img { width: 100px; height: 100px; } }

.tool-hero__info { flex: 1; min-width: 0; }

.tool-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.tool-hero__badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--r-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
}

.tool-hero__badge.difficulty-beginner { background: rgba(16, 185, 129, 0.2); border-color: rgba(16, 185, 129, 0.3); }
.tool-hero__badge.difficulty-intermediate { background: rgba(59, 130, 246, 0.2); border-color: rgba(59, 130, 246, 0.3); }
.tool-hero__badge.difficulty-advanced { background: rgba(245, 158, 11, 0.2); border-color: rgba(245, 158, 11, 0.3); }
.tool-hero__badge.difficulty-expert { background: rgba(239, 68, 68, 0.2); border-color: rgba(239, 68, 68, 0.3); }

.tool-hero__meta-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.tool-hero__meta-item a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.tool-hero__meta-item a:hover { color: #fff; opacity: 1; }

.tool-hero__title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: var(--space-3);
    line-height: 1.2;
    letter-spacing: -0.02em;
    word-break: break-word;
}

@media (min-width: 640px) { .tool-hero__title { font-size: 2.25rem; } }

.tool-hero__desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    max-width: 600px;
}

/* Platform Tags */
.platform-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.platform-tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all var(--t-base);
}

.platform-tag:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* ------------------------------------------
   STATS GRID
   ------------------------------------------ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

@media (min-width: 640px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
}

.stat-card {
    background: var(--c-bg);
    border: var(--card-border);
    border-radius: var(--card-radius);
    padding: var(--space-5);
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c-accent), var(--c-success));
    opacity: 0;
    transition: opacity var(--t-base);
}

.stat-card:hover {
    transform: var(--card-hover-transform);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--c-border-2);
}

.stat-card:hover::before { opacity: 1; }

.stat-card__number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--c-accent);
    line-height: 1;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.stat-card__label {
    font-size: 0.8125rem;
    color: var(--c-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ------------------------------------------
   RELATED SECTIONS
   ------------------------------------------ */
.related-section {
    margin-top: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid var(--c-border);
}

.related-section:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.related-section__title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--space-5);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.related-section__title svg {
    width: 24px;
    height: 24px;
    color: var(--c-accent);
    flex-shrink: 0;
}

/* ------------------------------------------
   SEARCH RESULTS
   ------------------------------------------ */
.search-results { padding: var(--space-6) 0 var(--space-16); }

.search-results__header {
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--c-border);
}

.search-results__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    word-break: break-word;
}

@media (min-width: 640px) { .search-results__title { font-size: 1.875rem; } }

.search-results__query { color: var(--c-accent); }

.search-results__count {
    font-size: 1rem;
    color: var(--c-muted);
    font-weight: 500;
}

.search-results__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .search-results__grid { grid-template-columns: repeat(2, 1fr); }
}

/* Search Result Card Overrides */
.search-results .card {
    border-left: 3px solid transparent;
    transition: all var(--t-base);
}

.search-results .card:hover { border-left-color: var(--c-accent); }

.search-results .card mark {
    background: rgba(6, 182, 212, 0.15);
    color: var(--c-accent);
    padding: 0 2px;
    border-radius: 2px;
    font-weight: 700;
}

.search-results .card__meta {
    font-size: 0.8125rem;
    color: var(--c-muted);
}

/* Pagination */
.nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-8);
    flex-wrap: wrap;
}

.nav-links a,
.nav-links span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--space-3);
    border-radius: var(--r-md);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--t-base);
}

.nav-links a {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    color: var(--c-text-2);
    text-decoration: none;
}

.nav-links a:hover {
    background: var(--c-surface-2);
    border-color: var(--c-accent);
    color: var(--c-accent);
    opacity: 1;
}

.nav-links span.current {
    background: var(--c-accent);
    color: #fff;
    font-weight: 600;
}

.nav-links .prev,
.nav-links .next {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0 var(--space-4);
}

.nav-links svg { width: 16px; height: 16px; }

/* ------------------------------------------
   LIVE SEARCH
   ------------------------------------------ */
.live-search-results {
    font-family: var(--font-body);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: 0 0 var(--card-radius) var(--card-radius);
    box-shadow: var(--shadow-lg);
}

.live-search-loading {
    padding: var(--space-5);
    text-align: center;
    color: var(--c-muted);
    font-size: 0.875rem;
}

.live-search-list { list-style: none; margin: 0; padding: 0; }

.live-search-item { border-bottom: 1px solid var(--c-border); }
.live-search-item:last-child { border-bottom: none; }

.live-search-link {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: inherit;
    text-decoration: none;
    transition: background var(--t-fast);
}

.live-search-link:hover {
    background: var(--c-surface);
    opacity: 1;
}

.live-search-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--r-md);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--c-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.live-search-icon svg { width: 16px; height: 16px; }

.live-search-content { flex: 1; min-width: 0; }

.live-search-title {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text);
    margin-bottom: 2px;
    line-height: 1.4;
    word-break: break-word;
}

.live-search-title mark {
    background: rgba(6, 182, 212, 0.15);
    color: var(--c-accent);
    padding: 0 2px;
    border-radius: 2px;
}

.live-search-excerpt {
    font-size: 0.75rem;
    color: var(--c-muted);
    line-height: 1.5;
    word-break: break-word;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.live-search-excerpt mark {
    background: rgba(6, 182, 212, 0.1);
    color: var(--c-text-2);
    padding: 0 2px;
    border-radius: 2px;
}

.live-search-type {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.6875rem;
    color: var(--c-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.live-search-footer {
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--c-border);
    background: var(--c-surface);
    border-radius: 0 0 var(--card-radius) var(--card-radius);
}

.live-search-all {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-accent);
    text-decoration: none;
    transition: all var(--t-base);
}

.live-search-all:hover { opacity: 1; transform: translateX(2px); }

.live-search-all svg { width: 14px; height: 14px; transition: transform var(--t-base); }
.live-search-all:hover svg { transform: translateX(3px); }

.live-search-empty {
    padding: var(--space-8) var(--space-4);
    text-align: center;
    color: var(--c-muted);
}

.live-search-empty svg { margin: 0 auto var(--space-3); color: var(--c-border-2); }

/* ------------------------------------------
   SEARCH SUGGESTIONS
   ------------------------------------------ */
.search-suggestions {
    margin: var(--space-6) 0;
    padding: var(--space-5);
    background: var(--c-surface);
    border-radius: var(--card-radius);
    border: var(--card-border);
    box-shadow: var(--card-shadow);
}

.search-suggestions__title {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--c-text-2);
    margin-bottom: var(--space-3);
}

.search-suggestions__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: center;
}

.search-suggestions__tag {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--r-full);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    color: var(--c-text-2);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--t-base);
}

.search-suggestions__tag:hover {
    background: var(--c-accent);
    border-color: var(--c-accent);
    color: #fff;
    opacity: 1;
    transform: translateY(-1px);
}

/* ------------------------------------------
   BACK TO TOP
   ------------------------------------------ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--c-accent);
    color: #fff;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--t-base);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
    -webkit-tap-highlight-color: transparent;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--c-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

.back-to-top:active { transform: translateY(0) scale(0.95); }
.back-to-top svg { width: 20px; height: 20px; }

/* ------------------------------------------
   FOOTER
   ------------------------------------------ */
.site-footer {
    background: linear-gradient(135deg, var(--c-primary) 0%, #1e293b 100%);
    color: rgba(255, 255, 255, 0.65);
    padding: var(--space-12) 0 var(--space-6);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--c-accent), transparent);
    opacity: 0.3;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

@media (min-width: 640px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-8); }
}

@media (min-width: 1024px) {
    .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-brand__title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.footer-brand__desc {
    font-size: 0.875rem;
    line-height: 1.65;
    margin-bottom: var(--space-4);
    color: rgba(255, 255, 255, 0.55);
    max-width: 320px;
}

.footer-column__title {
    font-size: 0.8125rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-4);
    opacity: 0.9;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: var(--space-3); }

.footer-links a {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.875rem;
    transition: all var(--t-base);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
}

.footer-links a:hover {
    color: #fff;
    opacity: 1;
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: var(--space-6);
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ------------------------------------------
   404 PAGE
   ------------------------------------------ */
.error-404 {
    text-align: center;
    padding: var(--space-12) 0 var(--space-20);
}

.error-404__code {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-4);
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--c-border-2), var(--c-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (min-width: 640px) { .error-404__code { font-size: 7rem; } }

.error-404__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--space-3);
}

@media (min-width: 640px) { .error-404__title { font-size: 1.625rem; } }

.error-404__desc {
    font-size: 1rem;
    color: var(--c-muted);
    margin-bottom: var(--space-8);
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--space-4);
}

/* ------------------------------------------
   ANIMATIONS
   ------------------------------------------ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ------------------------------------------
   SKELETON LOADING
   ------------------------------------------ */
.skeleton {
    background: linear-gradient(90deg, var(--c-surface) 25%, var(--c-surface-2) 50%, var(--c-surface) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--r-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ------------------------------------------
   SCROLLBAR
   ------------------------------------------ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-border-2); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--c-muted); }

/* ------------------------------------------
   DARK MODE FIXES
   ------------------------------------------ */
html[data-theme="dark"] .search-hero {
    background: linear-gradient(135deg, #0B1120 0%, #1e293b 50%, #0f172a 100%);
}

html[data-theme="dark"] .tool-hero {
    background: linear-gradient(135deg, #0B1120 0%, #1e293b 50%, #0f172a 100%);
}

html[data-theme="dark"] .content-body pre {
    background: linear-gradient(135deg, #0B1120 0%, #1e293b 100%);
    border-color: rgba(255, 255, 255, 0.05);
}

html[data-theme="dark"] .content-body code {
    background: var(--c-surface-2);
    border-color: var(--c-border-2);
    color: var(--c-accent);
}

html[data-theme="dark"] .content-body blockquote { background: var(--c-surface); }

html[data-theme="dark"] .empty-state { background: var(--c-surface); border-color: var(--c-border-2); }

html[data-theme="dark"] .search-result:hover { background: var(--c-surface); }

html[data-theme="dark"] .info-box--danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, var(--c-surface) 100%);
}

html[data-theme="dark"] .info-box--warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08) 0%, var(--c-surface) 100%);
}

html[data-theme="dark"] .info-box--symptoms {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.08) 0%, var(--c-surface) 100%);
}

html[data-theme="dark"] .fix-verification {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, var(--c-surface) 100%);
}

/* ------------------------------------------
   PRINT STYLES
   ------------------------------------------ */
@media print {
    .site-header, .site-footer, .single-sidebar, .breadcrumb-nav,
    .header-search-dropdown, .menu-toggle, .header-btn, .search-hero__tags,
    .back-to-top {
        display: none !important;
    }
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
        background: #fff;
    }
    .single-layout { display: block; padding: 20px; }
}

/* ------------------------------------------
   REDUCED MOTION
   ------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ------------------------------------------
   RESPONSIVE FIXES
   ------------------------------------------ */
@media (max-width: 639px) {
    .back-to-top {
        bottom: 16px;
        right: 16px;
        width: 40px;
        height: 40px;
    }
}




/* ============================================
   ISSUE EXPERIENCE 2.0
   ============================================ */

/* ------------------------------------------
   ISSUE HERO
   ------------------------------------------ */
.issue-hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #111827 100%);
    color: #fff;
    padding: var(--space-12) 0 var(--space-10);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--c-border);
}

.issue-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.issue-hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.issue-hero .container { position: relative; z-index: 1; }

.issue-hero__grid {
    max-width: 800px;
}

.issue-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}

.issue-hero__title {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
    word-break: break-word;
}

@media (min-width: 640px) {
    .issue-hero__title { font-size: 2.5rem; }
}

.issue-hero__summary {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
    margin-bottom: var(--space-5);
    max-width: 600px;
}

.issue-hero__badges {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* ------------------------------------------
   BADGES — Content Type Colors
   ------------------------------------------ */
.badge--lg {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

.badge--issue {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge--tool {
    background: rgba(6, 182, 212, 0.1);
    color: #06B6D4;
    border: 1px solid rgba(6, 182, 212, 0.2);
}

.badge--fix {
    background: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge--workflow {
    background: rgba(139, 92, 246, 0.1);
    color: #8B5CF6;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.badge--configuration {
    background: rgba(99, 102, 241, 0.1);
    color: #6366F1;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge--link {
    text-decoration: none;
    transition: all var(--t-base);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.badge--link:hover {
    opacity: 1;
    transform: translateY(-1px);
    filter: brightness(1.2);
}

/* Severity System */
.severity-low {
    background: rgba(100, 116, 139, 0.15);
    color: #94A3B8;
    border: 1px solid rgba(100, 116, 139, 0.25);
}

.severity-medium {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.severity-high {
    background: rgba(249, 115, 22, 0.15);
    color: #F97316;
    border: 1px solid rgba(249, 115, 22, 0.25);
}

.severity-critical {
    background: rgba(239, 68, 68, 0.15);
    color: #EF4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

html[data-theme="dark"] .severity-low {
    background: rgba(148, 163, 184, 0.15);
    color: #CBD5E1;
}

html[data-theme="dark"] .severity-medium {
    background: rgba(245, 158, 11, 0.2);
    color: #FBBF24;
}

html[data-theme="dark"] .severity-high {
    background: rgba(249, 115, 22, 0.2);
    color: #FB923C;
}

html[data-theme="dark"] .severity-critical {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
}

/* ------------------------------------------
   QUICK DIAGNOSIS
   ------------------------------------------ */
.quick-diagnosis {
    margin: var(--space-8) 0;
    padding: var(--space-6);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
}

.quick-diagnosis__title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    letter-spacing: -0.01em;
}

.quick-diagnosis__title svg {
    color: var(--c-accent);
    flex-shrink: 0;
}

.quick-diagnosis__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .quick-diagnosis__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .quick-diagnosis__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Diagnosis Cards */
.diagnosis-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: var(--space-5);
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
}

.diagnosis-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0.6;
    transition: opacity var(--t-base);
}

.diagnosis-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--c-border-2);
}

.diagnosis-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.diagnosis-card__icon {
    width: 36px;
    height: 36px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.diagnosis-card__header h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--c-text);
    letter-spacing: -0.01em;
}

.diagnosis-card__body {
    color: var(--c-text-2);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.diagnosis-card__body p {
    margin: 0;
}

/* Symptoms Card */
.diagnosis-card--symptoms::before {
    background: linear-gradient(90deg, #F59E0B, #F97316);
}

.diagnosis-card--symptoms .diagnosis-card__icon {
    background: rgba(245, 158, 11, 0.1);
    color: #F59E0B;
}

/* Causes Card */
.diagnosis-card--causes::before {
    background: linear-gradient(90deg, #EF4444, #F97316);
}

.diagnosis-card--causes .diagnosis-card__icon {
    background: rgba(239, 68, 68, 0.1);
    color: #EF4444;
}

/* Tool Card */
.diagnosis-card--tool::before {
    background: linear-gradient(90deg, #06B6D4, #10B981);
}

.diagnosis-card--tool .diagnosis-card__icon {
    background: rgba(6, 182, 212, 0.1);
    color: #06B6D4;
}

.diagnosis-tool-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--c-text);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--t-base);
}

.diagnosis-tool-link:hover {
    color: var(--c-accent);
    opacity: 1;
}

.diagnosis-tool-link img {
    border-radius: var(--r-sm);
    border: 1px solid var(--c-border);
    background: var(--c-surface);
}

/* Diagnosis List */
.diagnosis-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.diagnosis-list li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-3);
    color: var(--c-text-2);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.diagnosis-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-accent);
    opacity: 0.6;
}

/* ------------------------------------------
   RELATED SECTION — FIXES HIGHLIGHT
   ------------------------------------------ */
.related-section--fixes {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, var(--c-bg) 100%);
    border: 1px solid rgba(16, 185, 129, 0.1);
    border-radius: var(--card-radius);
    padding: var(--space-6);
    margin: var(--space-8) calc(-1 * var(--content-pad-x));
    padding-left: var(--content-pad-x);
    padding-right: var(--content-pad-x);
}

.related-section--fixes .related-section__title {
    color: var(--c-success);
}

.related-section--fixes .related-section__title svg {
    color: var(--c-success);
}

.related-section__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    border-radius: var(--r-full);
    background: var(--c-success);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: var(--space-2);
}

/* ------------------------------------------
   SIDEBAR CARDS
   ------------------------------------------ */
.sidebar-card-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.sidebar-card__icon--fix {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    color: var(--c-success);
}

/* ------------------------------------------
   DARK MODE FIXES
   ------------------------------------------ */
html[data-theme="dark"] .issue-hero {
    background: linear-gradient(135deg, #0B1120 0%, #1e293b 50%, #111827 100%);
}

html[data-theme="dark"] .quick-diagnosis {
    background: var(--c-surface);
    border-color: var(--c-border-2);
}

html[data-theme="dark"] .diagnosis-card {
    background: var(--c-surface-2);
    border-color: var(--c-border);
}

html[data-theme="dark"] .related-section--fixes {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, var(--c-bg) 100%);
    border-color: rgba(16, 185, 129, 0.15);
}

html[data-theme="dark"] .badge--issue {
    background: rgba(245, 158, 11, 0.2);
    color: #FBBF24;
    border-color: rgba(245, 158, 11, 0.3);
}

html[data-theme="dark"] .badge--tool {
    background: rgba(6, 182, 212, 0.15);
    color: #22D3EE;
    border-color: rgba(6, 182, 212, 0.25);
}




/* ------------------------------------------
   ISSUE CARD — Issue Experience 2.0
   ------------------------------------------ */
.card--issue {
    border-inline-start: 3px solid #F59E0B;
    border-left: none;
    border-right: none;
    position: relative;
}

.card--issue::before {
    background: linear-gradient(90deg, #F59E0B, #F97316);
}

.card--issue .card__header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.card--issue .card__icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(249, 115, 22, 0.08) 100%);
    border-color: rgba(245, 158, 11, 0.2);
    color: #F59E0B;
}

.card--issue:hover .card__icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(249, 115, 22, 0.12) 100%);
    border-color: rgba(245, 158, 11, 0.3);
}

html[data-theme="dark"] .card--issue {
    border-left-color: #FBBF24;
}

html[data-theme="dark"] .card--issue .card__icon {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(249, 115, 22, 0.1) 100%);
    border-color: rgba(245, 158, 11, 0.25);
    color: #FBBF24;
}