:root {
    --bg: #0a0a0c;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
    --primary: #9d50bb;
    --secondary: #6e48aa;
    --accent: #00d2ff;
    --text: #ffffff;
    --text-dim: #a0a0a0;
}

/* Light theme (toggle) */
body.theme-light {
    --bg: #f5f5f8;
    --glass: rgba(0, 0, 0, 0.04);
    --border: rgba(0, 0, 0, 0.12);
    --text: #1a1a1e;
    --text-dim: #5c5c6a;
}
body.theme-light .top-nav {
    background: linear-gradient(90deg,
        rgba(157, 80, 187, 0.06),
        rgba(110, 72, 170, 0.04),
        rgba(0, 210, 255, 0.04)
    ), linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(248, 248, 252, 0.98));
    border-bottom-color: rgba(0, 210, 255, 0.18);
}
body.theme-light .doc-sidebar {
    background: rgba(255, 255, 255, 0.98);
    border-right-color: var(--border);
}
body.theme-light .doc-sidebar a { color: var(--text-dim); }
body.theme-light .doc-sidebar a:hover,
body.theme-light .doc-sidebar a.active { color: var(--accent); }
/* Light theme: top nav links less flashy */
body.theme-light .top-nav-links a {
    color: var(--text-dim);
}
body.theme-light .top-nav-links a:hover {
    color: #000000;
    -webkit-text-fill-color: initial;
    background: none;
    text-decoration: underline;
}
body.theme-light .doc-search-input {
    background: rgba(0, 0, 0, 0.05);
    border-color: var(--border);
    color: var(--text);
}
body.theme-light .card,
body.theme-light .glass { background: rgba(255, 255, 255, 0.9); border-color: var(--border); }
body.theme-light .highlight-box { background: rgba(0, 210, 255, 0.08); }
body.theme-light .comparison-table th,
body.theme-light .comparison-table td { border-color: var(--border); }
body.theme-light .doc-api-table th,
body.theme-light .doc-api-table td { border-color: var(--border); }
body.theme-light pre.glass { background: rgba(0, 0, 0, 0.04); }
body.theme-light .scroll-to-top {
    background: linear-gradient(135deg, rgba(157, 80, 187, 0.35), rgba(0, 210, 255, 0.3));
    border-color: rgba(0, 210, 255, 0.5);
    color: #0a0a0c;
}
body.theme-light .code-copy-btn { background: var(--glass); color: var(--text); border-color: var(--border); }
body.theme-light .code-copy-btn:hover { background: rgba(0, 210, 255, 0.12); border-color: var(--accent); }

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Skip to main content (accessibility) */
.skip-link {
    position: absolute;
    left: -9999px;
    z-index: 100;
    padding: 12px 20px;
    background: var(--accent);
    color: var(--bg);
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
}
.skip-link:focus {
    left: 16px;
    top: 70px;
}

/* Focus visible for keyboard users */
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex="0"]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Custom text selection (brand gradient tint) */
::selection {
    background: rgba(157, 80, 187, 0.35);
    color: var(--text);
}
::-moz-selection {
    background: rgba(157, 80, 187, 0.35);
    color: var(--text);
}
body.theme-light ::selection {
    background: rgba(0, 210, 255, 0.35);
    color: var(--text);
}
body.theme-light ::-moz-selection {
    background: rgba(0, 210, 255, 0.35);
    color: var(--text);
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
}

html {
    scroll-behavior: smooth;
}

/* Reading progress bar (gradient fills as you scroll) */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, #9d50bb, #6e48aa, #00d2ff);
    z-index: 11;
    transition: width 0.08s ease-out;
}

.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background: linear-gradient(90deg,
        rgba(157, 80, 187, 0.18),
        rgba(110, 72, 170, 0.12),
        rgba(0, 210, 255, 0.1)
    ), linear-gradient(90deg, rgba(10, 10, 12, 0.97), rgba(10, 10, 12, 0.92));
    border-bottom: 1px solid rgba(0, 210, 255, 0.2);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    box-shadow: 0 1px 0 rgba(157, 80, 187, 0.15);
    /* Safe area para Safari/iOS (notch, isla) */
    padding-top: env(safe-area-inset-top, 0);
}

.top-nav-inner {
    padding: 12px 10%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 0;
    flex-wrap: wrap;
    gap: 8px;
}

.top-nav-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 14px;
    overflow-wrap: break-word;
    word-break: break-word;
    min-width: 0;
    background: linear-gradient(90deg, #9d50bb, #6e48aa, #00d2ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.top-nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
    font-size: 14px;
    flex-wrap: wrap;
    min-width: 0;
}

.top-nav-links a {
    color: var(--accent);
    text-decoration: none;
    overflow-wrap: break-word;
    word-break: break-word;
}

.top-nav-links a:hover {
    text-decoration: underline;
    background: linear-gradient(90deg, #9d50bb, #00d2ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* Theme toggle button (Font Awesome 4: fa-sun-o / fa-moon-o) */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    padding: 0;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.theme-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.05);
}
.theme-toggle .theme-icon,
.theme-toggle .fa {
    font-size: 18px;
    line-height: 1;
    display: block;
    text-align: center;
    /* Align FA icon with nav text */
    transform: translateY(1px);
}
.theme-icon-light { display: none !important; }
.theme-icon-dark { display: inline-block !important; }
body.theme-light .theme-icon-light { display: inline-block !important; }
body.theme-light .theme-icon-dark { display: none !important; }

/* Language toggle (ES/EN) */
.lang-toggle {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    height: 36px;
    padding: 0 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-dim);
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
    font-family: inherit;
}
.lang-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: scale(1.05);
}
.lang-toggle .fa { font-size: 16px; line-height: 1; display: block; transform: translateY(1px); }
.lang-toggle-text { font-size: 12px; font-weight: 700; letter-spacing: 1px; }

/* Code block wrapper + copy button */
.code-block-wrap {
    position: relative;
    margin: 16px 0;
}
.code-copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 6px 12px;
    font-size: 12px;
    font-family: inherit;
    border-radius: 6px;
    border: 1px solid rgba(0, 210, 255, 0.4);
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent);
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.code-copy-btn:hover {
    background: rgba(0, 210, 255, 0.2);
    border-color: var(--accent);
}
.code-copy-btn .fa {
    margin-right: 5px;
    font-size: 1em;
}
.code-copy-done {
    display: none;
}
.code-copy-done-visible .code-copy-text { display: none; }
.code-copy-done-visible .code-copy-done { display: inline; color: #00ff88; }
.code-copy-done-visible .code-copy-done .fa { margin-right: 5px; }
.code-block-wrap pre {
    padding-right: 72px;
}

/* Mobile menu button (visible only on small screens) */
.doc-menu-btn {
    display: none;
    padding: 8px 14px;
    background: rgba(0, 210, 255, 0.15);
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 13px;
    font-family: inherit;
    border-radius: 8px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-direction: row;
}
.doc-menu-btn .fa {
    font-size: 18px;
}
.doc-menu-btn:hover {
    background: rgba(0, 210, 255, 0.25);
}
.doc-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 6;
    top: calc(52px + env(safe-area-inset-top, 0));
}

/* Scroll to top button (bottom-right) */
.scroll-to-top {
    position: fixed;
    right: calc(24px + env(safe-area-inset-right, 0));
    bottom: calc(24px + env(safe-area-inset-bottom, 0));
    z-index: 9;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(0, 210, 255, 0.4);
    background: linear-gradient(135deg, rgba(157, 80, 187, 0.25), rgba(0, 210, 255, 0.2));
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}
.scroll-to-top--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-to-top:hover {
    background: linear-gradient(135deg, rgba(157, 80, 187, 0.4), rgba(0, 210, 255, 0.3));
    box-shadow: 0 0 24px rgba(0, 210, 255, 0.25);
}
.scroll-to-top:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--accent);
}

h1,
h2,
h3 {
    font-family: 'Outfit', sans-serif;
}

.presentation-container {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.slide {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 80px 10%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid var(--border);
    page-break-after: always;
    min-width: 0;
    max-width: 100%;
}

.background-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    filter: blur(120px);
    opacity: 0.2;
    z-index: -1;
}

.badge {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
    display: inline-block;
    max-width: 100%;
    overflow-wrap: break-word;
    word-break: break-word;
}

.section-tag {
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 16px;
    display: block;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

h1 {
    font-size: 100px;
    line-height: 0.9;
    font-weight: 800;
    margin-bottom: 24px;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

.big-title {
    font-size: 80px;
    line-height: 1.1;
    margin-bottom: 40px;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

h2 {
    font-size: 56px;
    margin-bottom: 48px;
    font-weight: 800;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

.gradient-text {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 24px;
    color: var(--text-dim);
    max-width: 600px;
    overflow-wrap: break-word;
    word-break: break-word;
}

.highlight-text {
    font-size: 24px;
    line-height: 1.6;
    color: var(--text-dim);
    border-left: 2px solid var(--primary);
    padding-left: 30px;
    margin-bottom: 40px;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

.divider {
    width: 60px;
    height: 4px;
    background: var(--accent);
    margin: 40px 0;
}

.card {
    padding: 32px;
    border-radius: 24px;
    border: 1px solid var(--border);
    margin-bottom: 16px;
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}

.glass {
    background: var(--glass);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.pillars-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.pillar .icon {
    font-size: 40px;
    margin-bottom: 24px;
}

.code-slide pre {
    padding: 40px;
    border-radius: 16px;
    font-size: 18px;
    line-height: 1.6;
    overflow-x: auto;
}

.highlight-box {
    border-left: 4px solid var(--accent);
    padding: 24px;
    background: rgba(0, 210, 255, 0.05);
    margin: 24px 0;
    border-radius: 0 16px 16px 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 40px 0;
}

.comparison-table th {
    text-align: left;
    padding: 20px;
    border-bottom: 2px solid var(--border);
    color: var(--text-dim);
    font-size: 14px;
    text-transform: uppercase;
}

.comparison-table td {
    padding: 24px 20px;
    border-bottom: 1px solid var(--border);
}

.check {
    color: #00ff88;
}

.cross {
    color: #ff4d4d;
}

.doc-links a {
    color: var(--accent);
    text-decoration: none;
}
.doc-links a:hover {
    text-decoration: underline;
}

/* Inline code (no inside pre) */
:not(pre) > code {
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    overflow-wrap: break-word;
    word-break: break-all;
    max-width: 100%;
}

.conclusion {
    text-align: center;
    align-items: center;
}

.conclusion p {
    font-size: 15px;
    max-width: 800px;
    color: var(--text-dim);
}

.footer {
    position: absolute;
    bottom: 40px;
    color: var(--text-dim);
    font-size: 14px;
}

/* ========== Animations & life ========== */
@keyframes gradient-flow {
    0%, 100% { box-shadow: 0 1px 0 rgba(157, 80, 187, 0.15); }
    50% { box-shadow: 0 1px 0 rgba(0, 210, 255, 0.25); }
}
@keyframes glow-float {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.2; }
    50% { transform: translate(-50%, -48%) scale(1.05); opacity: 0.28; }
}
@keyframes gradient-border-pulse {
    0%, 100% { border-color: rgba(157, 80, 187, 0.4); box-shadow: 0 0 20px rgba(157, 80, 187, 0.1); }
    50% { border-color: rgba(0, 210, 255, 0.5); box-shadow: 0 0 24px rgba(0, 210, 255, 0.15); }
}
@keyframes line-reveal {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.animate {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children when parent becomes visible */
.problem-grid > .card,
.grid-2 > .card,
.pillars-container > .pillar { opacity: 0; }
.problem-grid.visible > .card,
.grid-2.visible > .card,
.pillars-container.visible > .pillar { animation: fadeUp 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards; }
.problem-grid.visible > .card:nth-child(1),
.grid-2.visible > .card:nth-child(1),
.pillars-container.visible > .pillar:nth-child(1) { animation-delay: 0.05s; }
.problem-grid.visible > .card:nth-child(2),
.grid-2.visible > .card:nth-child(2),
.pillars-container.visible > .pillar:nth-child(2) { animation-delay: 0.12s; }
.pillars-container.visible > .pillar:nth-child(3) { animation-delay: 0.19s; }
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Cover: background glow subtle float */
.background-glow {
    animation: glow-float 8s ease-in-out infinite;
}

/* Cards: hover lift + gradient glow */
.card {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.35s ease,
                border-color 0.35s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35),
                0 0 0 1px rgba(157, 80, 187, 0.2),
                0 0 24px rgba(0, 210, 255, 0.08);
    border-color: rgba(0, 210, 255, 0.25);
}

/* Pillars: icon scale + card hover */
.pillar {
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.pillar:hover {
    transform: translateY(-2px);
}
.pillar .icon {
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.pillar:hover .icon {
    transform: scale(1.08);
}

/* Highlight box: subtle gradient border animation when visible */
.highlight-box.visible {
    animation: gradient-border-pulse 4s ease-in-out infinite;
}

/* Divider (cover): draw-in when parent content is visible */
.content.animate .divider {
    transform: scaleX(0);
    transform-origin: left;
}
.content.visible .divider {
    animation: line-reveal 0.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Doc section: headings get a soft entrance */
.doc-section h2.visible { transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.doc-section .highlight-box.visible { transition: opacity 0.5s ease; }

/* Sidebar links: gradient underline on hover */
.doc-sidebar a {
    position: relative;
    transition: color 0.2s ease;
}
.doc-sidebar a::after {
    content: '';
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 4px;
    height: 2px;
    background: linear-gradient(90deg, #9d50bb, #00d2ff);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    border-radius: 1px;
}
.doc-sidebar a:hover::after,
.doc-sidebar a.active::after {
    transform: scaleX(1);
}

/* Top nav: very subtle gradient breath */
.top-nav {
    animation: gradient-flow 6s ease-in-out infinite;
}

/* Menu button hover */
.doc-menu-btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.doc-menu-btn:hover {
    transform: scale(1.03);
    box-shadow: 0 0 20px rgba(0, 210, 255, 0.25);
}

/* Code blocks: soft focus when they enter view */
.doc-section pre.visible,
.slide pre.visible {
    transition: box-shadow 0.6s ease;
}
.doc-section pre:hover,
.slide pre:hover {
    box-shadow: 0 0 0 1px rgba(0, 210, 255, 0.2),
                0 8px 24px rgba(0, 0, 0, 0.2);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .animate, .card, .pillar, .pillar .icon, .doc-sidebar a::after,
    .background-glow, .top-nav, .highlight-box.visible, .divider.visible {
        animation: none !important;
        transition-duration: 0.01ms !important;
    }
    .card:hover { transform: none; }
    .pillar:hover { transform: none; }
    .pillar:hover .icon { transform: none; }
}

/* Doc sidebar (Angular/Flutter style) */
.doc-wrap {
    display: flex;
    min-height: 100vh;
    min-height: 100dvh; /* Safari/iOS: altura visible sin barra de direcciones */
}
.doc-sidebar {
    position: fixed;
    left: 0;
    top: calc(52px + env(safe-area-inset-top, 0));
    bottom: 0;
    width: 280px;
    background: rgba(10, 10, 12, 0.97);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    z-index: 5;
    padding: 24px 0;
    scrollbar-width: thin;
    scrollbar-color: #6e48aa rgba(255, 255, 255, 0.06);
}
.doc-sidebar::-webkit-scrollbar {
    width: 10px;
}
.doc-sidebar::-webkit-scrollbar-track {
    background: linear-gradient(180deg,
        rgba(157, 80, 187, 0.06),
        rgba(0, 210, 255, 0.04)
    );
    border-left: 1px solid rgba(0, 210, 255, 0.15);
}
.doc-sidebar::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #9d50bb, #6e48aa, #00d2ff);
    border-radius: 5px;
    border: 2px solid rgba(10, 10, 12, 0);
    background-clip: padding-box;
}
.doc-sidebar::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #b060d0, #7e58ba, #20e2ff);
}
.doc-sidebar::-webkit-scrollbar-thumb:active {
    background: linear-gradient(180deg, #00d2ff, #9d50bb);
}
.doc-search {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0 10px;
}
.doc-search-icon {
    color: var(--text-dim);
    font-size: 14px;
}
.doc-search-icon .fa { font-size: inherit; }
.doc-search-input {
    flex: 1;
    min-width: 0;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    outline: none;
    box-sizing: border-box;
}
.doc-search-input::placeholder {
    color: var(--text-dim);
}
.doc-search-input:focus {
    border-color: var(--accent);
    background: rgba(0, 210, 255, 0.06);
}
.doc-search-hint {
    display: block;
    width: 100%;
    flex-basis: 100%;
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 6px;
    min-height: 16px;
}
.doc-sidebar a.hidden-by-search {
    display: none !important;
}
.doc-sidebar h3.hidden-by-search {
    display: none !important;
}
.doc-sidebar h3 {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    padding: 8px 24px;
    margin: 16px 0 4px;
    font-family: 'Inter', sans-serif;
    overflow-wrap: break-word;
    word-break: break-word;
}
.doc-sidebar a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    border-left: 2px solid transparent;
    margin-left: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.doc-sidebar a:hover {
    color: var(--accent);
}
.doc-sidebar a.active {
    color: var(--accent);
    border-left-color: var(--accent);
}
.doc-sidebar a .fa {
    flex-shrink: 0;
    width: 1.15em;
    margin-right: 2px;
    text-align: center;
    font-size: 0.95em;
    opacity: 0.9;
    vertical-align: middle;
}
.doc-sidebar a:hover .fa,
.doc-sidebar a.active .fa {
    opacity: 1;
}
.doc-breadcrumb {
    padding: 10px 10% 12px;
    font-size: 13px;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
}
.doc-breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}
.doc-breadcrumb a:hover { text-decoration: underline; }
.doc-breadcrumb-sep { margin: 0 8px; opacity: 0.7; }
.doc-footer {
    padding: 24px 10%;
    margin-top: 32px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-dim);
    text-align: center;
}
.doc-footer p { margin: 8px 0; }
.doc-footer a { color: var(--accent); text-decoration: none; }
.doc-footer a:hover { text-decoration: underline; }
body.theme-light .doc-breadcrumb { background: rgba(0, 0, 0, 0.02); }
body.theme-light .doc-footer { border-top-color: var(--border); }
@media (max-width: 768px) {
  .doc-breadcrumb { padding: 8px 4%; font-size: 12px; }
  .doc-footer { padding: 16px 4%; font-size: 12px; }
}

.doc-main {
    margin-left: 280px;
    flex: 1;
    min-width: 0;
    max-width: 100%;
    padding-top: calc(52px + env(safe-area-inset-top, 0));
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 210, 255, 0.4) rgba(255, 255, 255, 0.04);
}
.doc-main::-webkit-scrollbar {
    width: 12px;
}
.doc-main::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.03);
}
.doc-main::-webkit-scrollbar-thumb {
    background: rgba(0, 210, 255, 0.3);
    border-radius: 6px;
    border: 3px solid var(--bg);
    background-clip: padding-box;
}
.doc-main::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 210, 255, 0.55);
}
.doc-main::-webkit-scrollbar-thumb:active {
    background: var(--accent);
}
.doc-section {
    padding: 48px 10%;
    max-width: 100%;
    min-width: 0;
    border-bottom: 1px solid var(--border);
    overflow-wrap: break-word;
    word-break: break-word;
}
.doc-section h2 { font-size: 42px; margin-bottom: 24px; overflow-wrap: break-word; word-break: break-word; max-width: 100%; }
.doc-section h3 { font-size: 28px; margin: 32px 0 16px; font-family: 'Outfit', sans-serif; overflow-wrap: break-word; word-break: break-word; max-width: 100%; }
.doc-section h4 { font-size: 20px; margin: 24px 0 12px; color: var(--accent); overflow-wrap: break-word; word-break: break-word; max-width: 100%; }
.doc-section p { margin-bottom: 16px; line-height: 1.6; overflow-wrap: break-word; word-break: break-word; max-width: 100%; }
.doc-section ul { margin: 16px 0 16px 24px; max-width: 100%; }
.doc-section li { margin-bottom: 8px; overflow-wrap: break-word; word-break: break-word; }
.doc-section a { overflow-wrap: break-word; word-break: break-word; }
.doc-section blockquote { overflow-wrap: break-word; word-break: break-word; max-width: 100%; }
.doc-api-table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 14px;
}
.doc-api-table th {
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: var(--text-dim);
}
.doc-api-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.doc-api-table code { font-size: 13px; }

/* ========== RESPONSIVE ========== */
/* Medium desktop / laptops */
@media (max-width: 1440px) {
    .slide { padding: 72px 8%; }
    .big-title { font-size: 70px; }
    h1 { font-size: 80px; }
    h2 { font-size: 46px; margin-bottom: 32px; }
    .subtitle { font-size: 22px; }
    .grid-2 {
        grid-template-columns: minmax(0, 1.4fr) minmax(320px, 1fr);
        gap: 28px;
    }
    .problem-grid { gap: 28px; }
    .code-slide pre { padding: 32px; font-size: 16px; }
    .doc-section { padding: 44px 8%; }
    .doc-section h2 { font-size: 38px; }
}

/* Tablet landscape / small desktop */
@media (max-width: 1200px) {
    .top-nav-inner { padding: 12px 5%; }
    .slide { padding: 60px 6%; }
    .big-title { font-size: 64px; }
    h2 { font-size: 44px; margin-bottom: 32px; }
    .subtitle { font-size: 20px; }
    .pillars-container { gap: 28px; }
    .grid-2 { gap: 24px; }
    .problem-grid { gap: 24px; }
    .card { padding: 24px; }
    .code-slide pre { padding: 28px; font-size: 16px; }
    .doc-section { padding: 40px 6%; }
    .doc-section h2 { font-size: 36px; }
}

/* Tablet portrait */
@media (max-width: 1024px) {
    .doc-sidebar { width: 240px; }
    .doc-main { margin-left: 240px; }
    .top-nav-links { gap: 14px; font-size: 13px; }
    .top-nav-logo { font-size: 13px; }
    .slide { padding: 48px 5%; min-height: auto; padding-top: 72px; padding-bottom: 48px; }
    .big-title { font-size: 52px; }
    h1 { font-size: 64px; }
    h2 { font-size: 38px; margin-bottom: 28px; }
    .subtitle { font-size: 18px; max-width: 100%; }
    .highlight-text { font-size: 18px; padding-left: 20px; }
    .pillars-container { grid-template-columns: 1fr 1fr; gap: 24px; }
    .grid-2 { grid-template-columns: 1fr; }
    .problem-grid { grid-template-columns: 1fr; }
    .card { padding: 20px; border-radius: 16px; }
    .comparison-table th,
    .comparison-table td { padding: 14px 12px; font-size: 13px; }
    .code-slide pre { padding: 20px; font-size: 14px; }
    .highlight-box { padding: 18px; }
    .conclusion p { font-size: 22px; }
    .doc-section { padding: 32px 5%; }
    .doc-section h2 { font-size: 32px; }
    .doc-section h3 { font-size: 24px; }
    .doc-api-table { font-size: 13px; }
    .doc-api-table th,
    .doc-api-table td { padding: 10px 12px; }
}

/* Mobile landscape / large phone */
@media (max-width: 768px) {
    .doc-menu-btn { display: inline-flex; }
    .doc-sidebar {
        display: none;
        top: 52px;
        width: 280px;
        max-width: 85vw;
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.4);
    }
    .doc-body.doc-sidebar-open .doc-sidebar {
        display: block;
        z-index: 7;
    }
    .doc-body.doc-sidebar-open .doc-sidebar-overlay {
        display: block;
    }
    .doc-main { margin-left: 0; width: 100%; }
    .top-nav-inner { padding: 10px 4%; flex-wrap: wrap; gap: 8px; }
    .top-nav-links { gap: 10px; font-size: 12px; flex-wrap: wrap; }
    .top-nav-logo { font-size: 12px; }
    .slide { padding: 40px 4%; padding-top: 64px; padding-bottom: 40px; }
    .big-title { font-size: 40px; line-height: 1.15; margin-bottom: 24px; }
    h1 { font-size: 48px; }
    h2 { font-size: 28px; margin-bottom: 20px; }
    .subtitle { font-size: 16px; }
    .highlight-text { font-size: 16px; padding-left: 16px; }
    .section-tag { font-size: 11px; letter-spacing: 2px; }
    .pillars-container { grid-template-columns: 1fr; gap: 20px; }
    .pillar .icon { font-size: 32px; margin-bottom: 16px; }
    .card { padding: 16px; border-radius: 12px; margin-bottom: 12px; }
    .comparison-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 24px 0; }
    .comparison-table th,
    .comparison-table td { padding: 12px 10px; font-size: 12px; white-space: nowrap; }
    .code-slide pre { padding: 16px; font-size: 12px; line-height: 1.5; }
    .highlight-box { padding: 14px; font-size: 14px; }
    .divider { margin: 24px 0; }
    .footer { position: relative; bottom: auto; margin-top: 24px; }
    .conclusion p { font-size: 18px; }
    .doc-section { padding: 28px 4%; }
    .doc-section h2 { font-size: 26px; margin-bottom: 16px; }
    .doc-section h3 { font-size: 20px; margin: 24px 0 12px; }
    .doc-section h4 { font-size: 18px; }
    .doc-api-table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; font-size: 12px; }
    .doc-api-table th,
    .doc-api-table td { padding: 8px 10px; white-space: nowrap; }
}

/* Mobile portrait */
@media (max-width: 480px) {
    .top-nav-inner { padding: 8px 3%; }
    .top-nav-links { gap: 8px; font-size: 11px; }
    .top-nav-logo { font-size: 11px; }
    .slide { padding: 28px 3%; padding-top: 56px; padding-bottom: 32px; }
    .big-title { font-size: 32px; margin-bottom: 20px; }
    h1 { font-size: 40px; }
    h2 { font-size: 24px; margin-bottom: 16px; }
    .subtitle { font-size: 14px; }
    .badge { padding: 4px 12px; font-size: 10px; }
    .card { padding: 14px; }
    .code-slide pre { padding: 12px; font-size: 11px; }
    .doc-section { padding: 24px 3%; }
    .doc-section h2 { font-size: 22px; }
    .doc-section h3 { font-size: 18px; }
}

/* Evitar desborde horizontal en contenido */
.slide pre,
.doc-section pre {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.highlight-box {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overflow-wrap: break-word;
    word-break: break-word;
}
.slide img {
    max-width: 100%;
    height: auto;
}
.conclusion p {
    overflow-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
}
.doc-wrap {
    min-width: 0;
    max-width: 100vw;
}

/* CLI tabs */
.cli-tab-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}
.cli-tab-btn {
    padding: 8px 14px;
    font-size: 13px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--glass);
    color: var(--text-dim);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.cli-tab-btn:hover {
    background: rgba(0, 210, 255, 0.08);
    color: var(--text);
    border-color: rgba(0, 210, 255, 0.3);
}
.cli-tab-btn.active {
    background: linear-gradient(135deg, rgba(157, 80, 187, 0.25), rgba(0, 210, 255, 0.2));
    color: var(--accent);
    border-color: var(--accent);
}
.cli-tab-panel {
    display: none;
}
.cli-tab-panel.active {
    display: block;
}
.cli-tab-panel h4 {
    font-size: 15px;
    margin: 16px 0 8px;
    color: var(--accent);
}
.cli-tab-panel h4:first-of-type { margin-top: 0; }
.cli-tab-panel pre { font-size: 12px; padding: 12px; margin: 8px 0; }

@media print {
    .slide {
        border: none;
        height: 100vh;
    }
    .doc-sidebar { display: none; }
    .doc-main { margin-left: 0; }
    .cli-tab-bar { display: none; }
    .cli-tab-panel { display: block !important; }
}