/* =====================================================
   COURS PYTHON WEB - STYLESHEET
   Créé par Geoffroy Streit - 2025
   Thème vert/turquoise (web moderne)
   ===================================================== */

:root {
    --primary: #10b981;
    --secondary: #06d6a0;
    --accent: #059669;
    --bg: #0a0f0d;
    --bg2: #0f1512;
    --card: #121a17;
    --text: #e8fff4;
    --muted: #8bc4b0;
    --dim: #5a9a85;
    --border: #1e3d33;
    --green: #10b981;
    --purple: #a78bfa;
    --pink: #f472b6;
    --orange: #fb923c;
    --red: #f87171;
    --yellow: #fcd34d;
    --blue: #38bdf8;
    --bg-overlay: rgba(10, 15, 13, 0.95);
    --hero-glow: rgba(16, 185, 129, 0.15);
    --toc-hover-bg: rgba(16, 185, 129, 0.1);
    --text-on-accent: #ffffff;
    --sec-num-blue-end: #0284c7;
    --sec-num-purple-end: #7c3aed;
    --sec-num-orange-end: #ea580c;
    --code-bg: #060a08;
    --code-head-bg: #0a100d;
    --dot-red: #ff5f56;
    --dot-yellow: #ffbd2e;
    --dot-green: #27ca40;
    --tip-bg: rgba(16, 185, 129, 0.1);
    --info-bg: rgba(56, 189, 248, 0.1);
    --warning-bg: rgba(248, 113, 113, 0.1);
    --details-hover-bg: rgba(16, 185, 129, 0.05);
    --badge-flask-bg: rgba(16, 185, 129, 0.2);
    --badge-django-bg: #9bf3d5;
    --badge-django-text: #0c4b33;
    --badge-fastapi-bg: rgba(6, 214, 160, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === HEADER === */
header {
    position: sticky;
    top: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 16px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
}

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    flex-shrink: 0;
}

.logo-text {
    white-space: nowrap;
}

.nav-desktop {
    display: flex;
    gap: 4px;
}

.nav-desktop a {
    color: var(--muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-desktop a:hover {
    background: var(--card);
    color: var(--text);
}

/* === HAMBURGER MENU === */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 102;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* === MOBILE NAVIGATION === */
.nav-mobile {
    display: none;
    position: fixed;
    top: 75px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    z-index: 101;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
}

.nav-mobile.active {
    transform: translateX(0);
}

.nav-mobile a {
    color: var(--muted);
    text-decoration: none;
    padding: 14px 18px;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.2s;
    border: 1px solid var(--border);
    background: var(--card);
}

.nav-mobile a:hover {
    background: var(--toc-hover-bg);
    color: var(--text);
    border-color: var(--primary);
}

/* === HERO === */
.hero {
    padding: 70px 0 50px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: radial-gradient(ellipse at top, var(--hero-glow) 0%, transparent 60%);
}

.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text), var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.hero p {
    color: var(--muted);
    max-width: 650px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* === TOC === */
.toc {
    padding: 35px 0;
    border-bottom: 1px solid var(--border);
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text);
    font-size: 0.88rem;
    transition: all 0.2s;
}

.toc-item:hover {
    border-color: var(--primary);
    transform: translateX(4px);
    background: var(--toc-hover-bg);
}

.toc-num {
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--text-on-accent);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    flex-shrink: 0;
}

/* === SECTIONS === */
section {
    padding: 55px 0;
    border-bottom: 1px solid var(--border);
}

.sec-header {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 30px;
}

.sec-num {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--text-on-accent);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    font-weight: 600;
    flex-shrink: 0;
}

section:nth-child(odd) .sec-num {
    background: linear-gradient(135deg, var(--blue), var(--sec-num-blue-end));
}

section:nth-child(3n) .sec-num {
    background: linear-gradient(135deg, var(--purple), var(--sec-num-purple-end));
}

section:nth-child(4n) .sec-num {
    background: linear-gradient(135deg, var(--orange), var(--sec-num-orange-end));
}

.intro-box {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 30px 0;
}

.intro-box h3 {
    margin-top: 0;
    color: var(--text);
}

.intro-lead {
    color: var(--muted);
    max-width: 800px;
}

.intro-sub {
    color: var(--dim);
    font-size: 0.95rem;
    margin-top: 10px;
}

.sec-title {
    font-size: 1.7rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.sec-sub {
    color: var(--dim);
    font-size: 0.95rem;
}

h3 {
    font-size: 1.15rem;
    margin: 28px 0 14px;
    color: var(--secondary);
}

p,
li {
    color: var(--muted);
    margin-bottom: 8px;
}

ul {
    list-style: none;
    padding-left: 0;
}

li {
    padding-left: 22px;
    position: relative;
}

li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* === CODE BLOCKS === */
.code {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 14px 0;
    overflow: hidden;
}

.code-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--code-head-bg);
    border-bottom: 1px solid var(--border);
    font-size: 0.78rem;
    color: var(--dim);
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.r {
    background: var(--dot-red);
}

.dot.y {
    background: var(--dot-yellow);
}

.dot.g {
    background: var(--dot-green);
}

pre {
    padding: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    line-height: 1.55;
    overflow-x: auto;
}

.kw {
    color: var(--purple);
}

.fn {
    color: var(--primary);
}

.str {
    color: var(--green);
}

.num {
    color: var(--orange);
}

.c {
    color: var(--dim);
}

.var {
    color: var(--pink);
}

.prop {
    color: var(--blue);
}

.op {
    color: var(--muted);
}

.dec {
    color: var(--yellow);
}

.cls {
    color: var(--secondary);
}

/* === DEMOS === */
.demo {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 22px;
    margin: 14px 0;
}

.demo-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--dim);
    margin-bottom: 14px;
}

.demo-output {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    min-height: 50px;
    white-space: pre-wrap;
}

/* === GRIDS === */
.grid2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.grid3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

/* === TIP BOX === */
.tip {
    background: var(--tip-bg);
    border-left: 3px solid var(--green);
    padding: 14px 18px;
    border-radius: 0 10px 10px 0;
    margin: 14px 0;
}

.tip strong {
    color: var(--green);
}

.info {
    background: var(--info-bg);
    border-left: 3px solid var(--blue);
    padding: 14px 18px;
    border-radius: 0 10px 10px 0;
    margin: 14px 0;
}

.info strong {
    color: var(--blue);
}

.warning {
    background: var(--warning-bg);
    border-left: 3px solid var(--red);
    padding: 14px 18px;
    border-radius: 0 10px 10px 0;
    margin: 14px 0;
}

.warning strong {
    color: var(--red);
}

/* === REFERENCE CARDS === */
.ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.ref-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
}

.ref-card h4 {
    font-size: 0.95rem;
    color: var(--secondary);
    margin-bottom: 10px;
}

.ref-card code {
    color: var(--primary);
    background: var(--bg);
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 0.78rem;
    margin: 2px;
    display: inline-block;
}

/* === TABLES === */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 14px 0;
    font-size: 0.88rem;
}

th,
td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--card);
    color: var(--secondary);
    font-weight: 600;
}

td {
    color: var(--muted);
}

td code {
    color: var(--primary);
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.78rem;
}

/* === COLLAPSIBLE DETAILS === */
details {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin: 16px 0;
    overflow: hidden;
}

details summary {
    padding: 14px 18px;
    cursor: pointer;
    font-weight: 500;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.2s;
}

details summary:hover {
    background: var(--details-hover-bg);
}

details summary::before {
    content: '▶';
    font-size: 0.7rem;
    transition: transform 0.2s;
}

details[open] summary::before {
    transform: rotate(90deg);
}

details>div {
    padding: 0 18px 18px;
    color: var(--muted);
    line-height: 1.8;
}

details p {
    margin-bottom: 12px;
}

details .code {
    margin: 12px 0;
}

/* === FRAMEWORK CARDS === */
.framework-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: all 0.2s;
}

.framework-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.framework-card h4 {
    color: var(--text);
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.framework-card p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

.framework-card .badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    margin-top: 10px;
}

.badge.flask {
    background: var(--badge-flask-bg);
    color: var(--green);
}

.badge.django {
    background: var(--badge-django-bg);
    color: var(--badge-django-text);
}

.badge.fastapi {
    background: var(--badge-fastapi-bg);
    color: var(--secondary);
}

/* === FOOTER === */
footer {
    padding: 40px 0;
    text-align: center;
    color: var(--dim);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
}

footer strong {
    color: var(--muted);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .nav-desktop {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .nav-mobile {
        display: flex;
    }

    .logo-text {
        font-size: 1.1rem;
    }

    .sec-header {
        flex-direction: column;
    }

    .toc-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg2);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}