/* ==========================================================================
   PAGE.CSS - Modern Page Template Styles (Light & Dark Mode)
   CybersecMastery
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
    --page-primary: #6366f1;
    --page-primary-hover: #4f46e5;
    --page-primary-light: rgba(99, 102, 241, 0.1);
    --page-text: #1e293b;
    --page-text-muted: #64748b;
    --page-bg: #f8fafc;
    --page-card-bg: #ffffff;
    --page-card-bg-subtle: #f1f5f9;
    --page-border: #e2e8f0;
    --page-border-subtle: #f1f5f9;
    --page-radius: 14px;
    --page-radius-sm: 8px;
    --page-radius-lg: 20px;
    --page-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
    --page-shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.08);
    --page-code-bg: #0f172a;
    --page-code-text: #f8fafc;
    --page-inline-code-bg: #f1f5f9;
    --page-inline-code-text: #e11d48;
    --page-table-th-bg: #f8fafc;
}

[data-theme="dark"],
.theme-dark,
.dark-mode {
    --page-primary: #818cf8;
    --page-primary-hover: #a5b4fc;
    --page-primary-light: rgba(129, 140, 248, 0.15);
    --page-text: #e2e8f0;
    --page-text-muted: #94a3b8;
    --page-bg: #0b0f19;
    --page-card-bg: #151d30;
    --page-card-bg-subtle: #1c2640;
    --page-border: rgba(255, 255, 255, 0.09);
    --page-border-subtle: rgba(255, 255, 255, 0.05);
    --page-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --page-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --page-code-bg: #070a12;
    --page-code-text: #e2e8f0;
    --page-inline-code-bg: rgba(255, 255, 255, 0.08);
    --page-inline-code-text: #f43f5e;
    --page-table-th-bg: #101726;
}

/* --------------------------------------------------------------------------
   2. Page Base & Layout
   -------------------------------------------------------------------------- */
.page-wrapper {
    min-height: 100vh;
    background: var(--page-bg);
    color: var(--page-text);
    transition: background-color 0.25s ease, color 0.25s ease;
}

.page-main {
    padding: 36px 0 80px;
}

.page-main.fullwidth {
    padding: 0;
}

/* --------------------------------------------------------------------------
   3. Hero Section
   -------------------------------------------------------------------------- */
.page-hero {
    position: relative;
    min-height: 360px;
    display: flex;
    align-items: flex-end;
    padding: 60px 0 44px;
    overflow: hidden;
    background: #0f172a;
}

.page-hero.hero-landing {
    min-height: 460px;
    padding: 80px 0 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.75) 50%, rgba(15, 23, 42, 0.45) 100%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-icon i {
    font-size: 1.6rem;
    color: #fff;
}

.hero-title {
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 24px;
    max-width: 640px;
    line-height: 1.6;
}

.hero-stats {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-stats .stat {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats .stat i {
    color: #a5b4fc;
}

/* --------------------------------------------------------------------------
   4. Breadcrumbs
   -------------------------------------------------------------------------- */
.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.page-hero .page-breadcrumb {
    margin-bottom: 20px;
}

.page-breadcrumb a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.2s ease;
}

.page-breadcrumb a:hover {
    color: #ffffff;
}

.page-breadcrumb .sep {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.7rem;
}

.page-breadcrumb .current {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
}

.page-main .page-breadcrumb a {
    color: var(--page-text-muted);
}

.page-main .page-breadcrumb a:hover {
    color: var(--page-primary);
}

.page-main .page-breadcrumb .sep {
    color: var(--page-text-muted);
    opacity: 0.5;
}

.page-main .page-breadcrumb .current {
    color: var(--page-text);
}

/* --------------------------------------------------------------------------
   5. Default Page Article
   -------------------------------------------------------------------------- */
.page-article {
    background: var(--page-card-bg);
    border-radius: var(--page-radius);
    border: 1px solid var(--page-border);
    box-shadow: var(--page-shadow);
    padding: 44px 48px;
    max-width: 960px;
    margin: 0 auto;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.page-header {
    text-align: center;
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--page-border);
}

.page-icon {
    width: 68px;
    height: 68px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.3);
}

.page-icon i {
    font-size: 1.85rem;
    color: #fff;
}

.page-title {
    font-size: clamp(1.8rem, 2.8vw, 2.3rem);
    font-weight: 800;
    color: var(--page-text);
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: 1.1rem;
    color: var(--page-text-muted);
    margin-bottom: 16px;
}

.page-meta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--page-text-muted);
}

.page-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.page-meta i {
    color: var(--page-primary);
}

/* --------------------------------------------------------------------------
   6. Documentation Template Layout (Privacy Policy, Terms of Service)
   -------------------------------------------------------------------------- */
.doc-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 36px;
    align-items: start;
}

.doc-sidebar {
    position: sticky;
    top: 90px;
}

.doc-sidebar-inner {
    background: var(--page-card-bg);
    border-radius: var(--page-radius);
    border: 1px solid var(--page-border);
    box-shadow: var(--page-shadow);
    padding: 24px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.doc-sidebar-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--page-text-muted);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.doc-sidebar-title i {
    color: var(--page-primary);
}

.doc-toc {
    list-style: none;
    padding: 0;
    margin: 0;
}

.doc-toc li {
    margin-bottom: 4px;
}

.doc-toc li.toc-h3 {
    padding-left: 14px;
}

.doc-toc li.toc-h4 {
    padding-left: 26px;
}

.doc-toc a {
    display: block;
    padding: 7px 12px;
    color: var(--page-text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    border-radius: var(--page-radius-sm);
    transition: all 0.2s ease;
    line-height: 1.4;
}

.doc-toc a:hover {
    background: var(--page-primary-light);
    color: var(--page-primary);
}

.doc-toc a.active {
    background: var(--page-primary-light);
    color: var(--page-primary);
    font-weight: 600;
}

.doc-content {
    background: var(--page-card-bg);
    border-radius: var(--page-radius);
    border: 1px solid var(--page-border);
    box-shadow: var(--page-shadow);
    padding: 44px 48px;
}

.doc-header {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--page-border);
}

.doc-header h1 {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--page-text);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.doc-header .lead {
    color: var(--page-text-muted);
    font-size: 1.05rem;
    margin: 0;
}

/* --------------------------------------------------------------------------
   7. Page Body Typography & Content Elements
   -------------------------------------------------------------------------- */
.page-body {
    font-size: 1.02rem;
    line-height: 1.8;
    color: var(--page-text);
}

.page-body h1,
.page-body h2,
.page-body h3,
.page-body h4,
.page-body h5,
.page-body h6 {
    color: var(--page-text);
    font-weight: 700;
    line-height: 1.35;
    scroll-margin-top: 100px;
}

.page-body h2 {
    font-size: 1.6rem;
    margin: 36px 0 16px;
    padding-top: 24px;
    border-top: 1px solid var(--page-border-subtle);
}

.page-body h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.page-body h3 {
    font-size: 1.3rem;
    margin: 28px 0 14px;
}

.page-body h4 {
    font-size: 1.1rem;
    margin: 20px 0 10px;
}

.page-body p {
    margin-bottom: 16px;
    color: var(--page-text);
}

.page-body a {
    color: var(--page-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.page-body a:hover {
    color: var(--page-primary-hover);
}

.page-body ul, .page-body ol {
    margin: 16px 0 20px;
    padding-left: 24px;
}

.page-body li {
    margin-bottom: 8px;
    color: var(--page-text);
}

.page-body blockquote {
    border-left: 4px solid var(--page-primary);
    padding: 16px 20px;
    background: var(--page-card-bg-subtle);
    border-radius: 0 var(--page-radius-sm) var(--page-radius-sm) 0;
    margin: 24px 0;
    font-style: italic;
    color: var(--page-text-muted);
}

.page-body pre {
    background: var(--page-code-bg);
    color: var(--page-code-text);
    padding: 20px 24px;
    border-radius: var(--page-radius-sm);
    overflow-x: auto;
    margin: 24px 0;
    font-size: 0.9rem;
    border: 1px solid var(--page-border);
}

.page-body code {
    background: var(--page-inline-code-bg);
    color: var(--page-inline-code-text);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
    font-weight: 500;
}

.page-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.page-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    border-radius: var(--page-radius-sm);
    overflow: hidden;
    border: 1px solid var(--page-border);
}

.page-body th, .page-body td {
    padding: 12px 18px;
    border: 1px solid var(--page-border);
    text-align: left;
}

.page-body th {
    background: var(--page-table-th-bg);
    font-weight: 600;
    color: var(--page-text);
}

.page-body td {
    color: var(--page-text);
}

/* Bootstrap Alert & Card Overrides inside Page Body */
.page-body .alert {
    border-radius: var(--page-radius-sm);
    padding: 16px 20px;
    margin-bottom: 24px;
    border: 1px solid var(--page-border);
}

[data-theme="dark"] .page-body .alert-info,
.theme-dark .page-body .alert-info {
    background: rgba(14, 165, 233, 0.12);
    border-color: rgba(14, 165, 233, 0.3);
    color: #bae6fd;
}

[data-theme="dark"] .page-body .alert-success,
.theme-dark .page-body .alert-success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.3);
    color: #a7f3d0;
}

[data-theme="dark"] .page-body .card,
.theme-dark .page-body .card {
    background: var(--page-card-bg-subtle);
    border-color: var(--page-border);
    color: var(--page-text);
}

[data-theme="dark"] .page-body .card .card-body,
.theme-dark .page-body .card .card-body {
    color: var(--page-text);
}

[data-theme="dark"] .page-body .card .card-title,
.theme-dark .page-body .card .card-title {
    color: #ffffff;
}

/* --------------------------------------------------------------------------
   8. Page Footer, Share & Back Navigation
   -------------------------------------------------------------------------- */
.page-footer {
    margin-top: 44px;
    padding-top: 32px;
    border-top: 1px solid var(--page-border);
}

.page-share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.share-label {
    font-size: 0.9rem;
    color: var(--page-text-muted);
    font-weight: 500;
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.share-btn.twitter { background: #1da1f2; }
.share-btn.facebook { background: #1877f2; }
.share-btn.linkedin { background: #0a66c2; }
.share-btn.whatsapp { background: #25d366; }
.share-btn.copy { background: var(--page-text-muted); }

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    color: #fff;
}

.page-back {
    text-align: center;
}

/* --------------------------------------------------------------------------
   9. Minimal & Fullwidth Templates
   -------------------------------------------------------------------------- */
.minimal-layout {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

.minimal-content {
    background: var(--page-card-bg);
    border-radius: var(--page-radius);
    border: 1px solid var(--page-border);
    box-shadow: var(--page-shadow);
    padding: 48px 44px;
}

.minimal-header {
    text-align: center;
    margin-bottom: 36px;
}

.minimal-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--page-primary) 0%, #8b5cf6 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.minimal-icon i {
    font-size: 2.2rem;
    color: #fff;
}

.minimal-header h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--page-text);
    margin-bottom: 10px;
}

.minimal-header .lead {
    color: var(--page-text-muted);
    font-size: 1.05rem;
}

.fullwidth-content {
    background: var(--page-card-bg);
}

.fullwidth-header {
    text-align: center;
    padding: 60px 20px 36px;
}

.fullwidth-header h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.fullwidth-header .lead {
    color: var(--page-text-muted);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

.fullwidth-content .page-body {
    padding: 36px;
}

/* --------------------------------------------------------------------------
   10. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
    .doc-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .doc-sidebar {
        position: static;
    }
    
    .doc-sidebar-inner {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .page-main {
        padding: 24px 0 60px;
    }

    .page-hero {
        min-height: 300px;
        padding: 36px 0 28px;
    }
    
    .hero-title,
    .hero-landing .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.98rem;
    }
    
    .page-article,
    .doc-content,
    .minimal-content {
        padding: 28px 20px;
        border-radius: var(--page-radius-sm);
    }
    
    .page-title {
        font-size: 1.7rem;
    }
    
    .page-meta {
        gap: 12px;
        font-size: 0.82rem;
    }
}