/* ============================================================
   EventsLink – Documentation CSS
   Couleurs principales : #38b6ff / #1a9de0 / #0d6fa8
   ============================================================ */

:root {
    --primary: #38b6ff;
    --primary-dark: #1a9de0;
    --primary-deep: #0d6fa8;
    --secondary: #2c3e50;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --light: #f8f9fa;
    --dark: #1e293b;
    --border: #e2e8f0;
    --text: #334155;
    --text-light: #64748b;
    --shadow: 0 4px 20px rgba(56, 182, 255, .12);
    --shadow-lg: 0 10px 40px rgba(56, 182, 255, .18);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: .25s ease;
    --sidebar-w: 280px;
}

/* ─── Reset ─────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: #f1f5f9;
    color: var(--text);
    line-height: 1.7;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: color var(--transition);
}

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

img {
    max-width: 100%;
    border-radius: var(--radius);
}

/* ─── Scrollbar ──────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

/* ─── Top Nav ────────────────────────────── */
.doc-topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
}

.doc-topnav .brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 18px;
    color: var(--secondary);
}

.doc-topnav .brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 4px 12px rgba(56, 182, 255, .35);
}

.doc-topnav .brand span {
    color: var(--primary);
}

.doc-topnav nav {
    display: flex;
    gap: 8px;
}

.doc-topnav nav a {
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    transition: all var(--transition);
}

.doc-topnav nav a:hover,
.doc-topnav nav a.active {
    background: rgba(56, 182, 255, .12);
    color: var(--primary-dark);
}

.doc-topnav nav a.active {
    background: var(--primary);
    color: #fff;
}

.topnav-badge {
    font-size: 11px;
    font-weight: 700;
    background: var(--primary);
    color: #fff;
    padding: 2px 8px;
    border-radius: 50px;
    margin-left: 4px;
    vertical-align: middle;
}

/* ─── Layout ─────────────────────────────── */
.doc-layout {
    display: flex;
    padding-top: 64px;
    min-height: 100vh;
}

/* ─── Sidebar ─────────────────────────────── */
.doc-sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    position: fixed;
    top: 64px;
    bottom: 0;
    left: 0;
    overflow-y: auto;
    background: #fff;
    border-right: 1px solid var(--border);
    padding: 24px 0;
    transition: transform var(--transition);
}

.sidebar-section {
    margin-bottom: 8px;
}

.sidebar-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-light);
    padding: 8px 20px 4px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    border-left: 3px solid transparent;
    transition: all var(--transition);
    cursor: pointer;
}

.sidebar-link:hover {
    background: rgba(56, 182, 255, .07);
    color: var(--primary-dark);
    border-left-color: rgba(56, 182, 255, .4);
}

.sidebar-link.active {
    background: rgba(56, 182, 255, .1);
    color: var(--primary-dark);
    border-left-color: var(--primary);
    font-weight: 600;
}

.sidebar-link .s-icon {
    width: 26px;
    height: 26px;
    border-radius: 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    background: rgba(56, 182, 255, .1);
    color: var(--primary-dark);
    flex-shrink: 0;
}

.sidebar-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 20px;
}

/* ─── Main Content ───────────────────────── */
.doc-main {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 40px 48px;
    max-width: calc(100% - var(--sidebar-w));
}

/* ─── Section ─────────────────────────────── */
.doc-section {
    margin-bottom: 64px;
    animation: fadeSection .5s ease both;
}

@keyframes fadeSection {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Hero Section ───────────────────────── */
.doc-hero {
    background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary-dark) 50%, var(--primary) 100%);
    border-radius: var(--radius-lg);
    padding: 52px 48px;
    margin-bottom: 48px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.doc-hero::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 280px;
    height: 280px;
    background: rgba(255, 255, 255, .07);
    border-radius: 50%;
}

.doc-hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    right: 100px;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, .05);
    border-radius: 50%;
}

.doc-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .15);
    border: 1px solid rgba(255, 255, 255, .25);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.doc-hero h1 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.doc-hero p {
    font-size: 1.05rem;
    opacity: .88;
    max-width: 600px;
    line-height: 1.8;
}

.doc-hero-meta {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.doc-hero-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    opacity: .85;
}

/* ─── Headings ───────────────────────────── */
.section-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title .title-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.section-subtitle {
    color: var(--text-light);
    font-size: .97rem;
    margin-bottom: 28px;
    padding-left: 50px;
}

h3.sub-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 28px 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

h3.sub-title::before {
    content: '';
    width: 4px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
    display: inline-block;
}

/* ─── Cards ──────────────────────────────── */
.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.cards-grid2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.card-icon.blue {
    background: rgba(56, 182, 255, .12);
    color: var(--primary-dark);
}

.card-icon.green {
    background: rgba(16, 185, 129, .12);
    color: var(--success);
}

.card-icon.amber {
    background: rgba(245, 158, 11, .12);
    color: var(--warning);
}

.card-icon.red {
    background: rgba(239, 68, 68, .12);
    color: var(--danger);
}

.card-icon.purple {
    background: rgba(139, 92, 246, .12);
    color: #8b5cf6;
}

/* ─── Steps ──────────────────────────────── */
.steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step {
    display: flex;
    gap: 20px;
    position: relative;
}

.step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 19px;
    top: 44px;
    width: 2px;
    height: calc(100% - 20px);
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.step-num {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    color: #fff;
    font-weight: 800;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(56, 182, 255, .4);
    position: relative;
    z-index: 1;
}

.step-body {
    padding: 0 0 32px;
    flex: 1;
}

.step-body strong {
    font-size: 1.05rem;
    color: var(--secondary);
    display: block;
    margin-bottom: 6px;
}

/* ─── Badges / Pills ─────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}

.badge-blue {
    background: rgba(56, 182, 255, .12);
    color: var(--primary-dark);
}

.badge-green {
    background: rgba(16, 185, 129, .12);
    color: #047857;
}

.badge-amber {
    background: rgba(245, 158, 11, .12);
    color: #92400e;
}

.badge-red {
    background: rgba(239, 68, 68, .12);
    color: #991b1b;
}

.badge-purple {
    background: rgba(139, 92, 246, .12);
    color: #5b21b6;
}

/* ─── Alerts ──────────────────────────────── */
.alert {
    border-radius: var(--radius);
    padding: 16px 20px;
    margin: 16px 0;
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.alert .alert-icon {
    font-size: 20px;
    flex-shrink: 0;
    margin-top: 1px;
}

.alert-blue {
    background: rgba(56, 182, 255, .08);
    border-left: 4px solid var(--primary);
}

.alert-green {
    background: rgba(16, 185, 129, .08);
    border-left: 4px solid var(--success);
}

.alert-amber {
    background: rgba(245, 158, 11, .08);
    border-left: 4px solid var(--warning);
}

.alert-red {
    background: rgba(239, 68, 68, .08);
    border-left: 4px solid var(--danger);
}

/* ─── Tables ──────────────────────────────── */
.doc-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.doc-table {
    width: 100%;
    border-collapse: collapse;
}

.doc-table th {
    background: linear-gradient(135deg, var(--dark), #2d3f50);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 12px 16px;
    text-align: left;
}

.doc-table td {
    padding: 12px 16px;
    font-size: 14px;
    border-top: 1px solid var(--border);
}

.doc-table tr:hover td {
    background: rgba(56, 182, 255, .04);
}

/* ─── Email Previews ─────────────────────── */
.email-preview {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 16px 0;
}

.email-preview-header {
    background: linear-gradient(135deg, var(--primary-deep), var(--primary-dark));
    color: #fff;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.email-preview-header .ep-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, .2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.email-preview-header .ep-title {
    font-weight: 700;
    font-size: 15px;
}

.email-preview-header .ep-subtitle {
    font-size: 12px;
    opacity: .8;
}

.email-preview-body {
    padding: 20px;
}

.email-code {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--text);
    overflow-x: auto;
    white-space: pre-wrap;
    max-height: 320px;
    overflow-y: auto;
}

/* ─── Images placeholders ────────────────── */
.img-placeholder {
    background: linear-gradient(135deg, #f0f7ff, #e8f4ff);
    border: 2px dashed rgba(56, 182, 255, .4);
    border-radius: var(--radius);
    padding: 40px 20px;
    text-align: center;
    color: var(--primary-dark);
    margin: 20px 0;
}

.img-placeholder .ph-icon {
    font-size: 40px;
    margin-bottom: 12px;
}

.img-placeholder .ph-title {
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 4px;
}

.img-placeholder .ph-hint {
    font-size: 12px;
    color: var(--text-light);
}

.ph-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin-top: 14px;
    padding: 8px 18px;
    background: linear-gradient(135deg, #38b6ff, #2563eb);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: opacity .2s, transform .15s;
}

.ph-link-btn:hover {
    opacity: .88;
    transform: translateY(-1px);
}

/* ─── Process Flow ───────────────────────── */
.flow {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.flow-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow);
}

.flow-arrow {
    color: var(--primary);
    font-size: 18px;
    flex-shrink: 0;
}

/* ─── Accordion / Details ────────────────── */
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 10px;
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    background: #fff;
    transition: background var(--transition);
}

.faq-question:hover {
    background: rgba(56, 182, 255, .05);
}

.faq-question.open {
    background: rgba(56, 182, 255, .08);
    color: var(--primary-dark);
}

.faq-chevron {
    transition: transform var(--transition);
    font-size: 12px;
}

.faq-question.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease, padding .4s ease;
    font-size: 14px;
    color: var(--text);
}

.faq-answer.open {
    max-height: 600px;
    padding: 0 20px 18px;
}

/* ─── Feature List ───────────────────────── */
.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    line-height: 1.6;
}

.feature-list li .fl-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(56, 182, 255, .15);
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    margin-top: 1px;
}

.feature-list li .fl-icon.ok {
    background: rgba(16, 185, 129, .15);
    color: var(--success);
}

.feature-list li .fl-icon.warn {
    background: rgba(245, 158, 11, .15);
    color: var(--warning);
}

.feature-list li .fl-icon.no {
    background: rgba(239, 68, 68, .15);
    color: var(--danger);
}

/* ─── Comparison Table ───────────────────── */
.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    margin: 20px 0;
}

.compare-col {
    background: #fff;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color var(--transition);
}

.compare-col:hover {
    border-color: var(--primary);
}

.compare-col.featured {
    border-color: var(--primary);
}

.compare-head {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.compare-head.blue-head {
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    color: #fff;
}

.compare-head.green-head {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
}

.compare-head.amber-head {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.compare-head h3 {
    font-size: 16px;
    margin-bottom: 4px;
}

.compare-head p {
    font-size: 12px;
    opacity: .85;
}

.compare-body {
    padding: 16px 18px;
}

.compare-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 13px;
    border-bottom: 1px solid #f1f5f9;
}

.compare-row:last-child {
    border-bottom: none;
}

/* ─── Timeline ───────────────────────────── */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), transparent);
}

.tl-item {
    position: relative;
    margin-bottom: 28px;
}

.tl-item::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px var(--primary);
}

.tl-item.success::before {
    background: var(--success);
    box-shadow: 0 0 0 2px var(--success);
}

.tl-item.danger::before {
    background: var(--danger);
    box-shadow: 0 0 0 2px var(--danger);
}

.tl-item .tl-date {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: 4px;
}

.tl-item .tl-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 6px;
}

.tl-item .tl-body {
    font-size: 14px;
    color: var(--text);
}

/* ─── Code inline ────────────────────────── */
code {
    background: rgba(56, 182, 255, .1);
    color: var(--primary-deep);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: .88em;
}

/* ─── Tabs ───────────────────────────────── */
.tabs {
    border-bottom: 2px solid var(--border);
    display: flex;
    gap: 0;
    margin-bottom: 24px;
}

.tab-btn {
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    border: none;
    background: none;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition);
}

.tab-btn:hover {
    color: var(--primary-dark);
}

.tab-btn.active {
    color: var(--primary-dark);
    border-bottom-color: var(--primary);
}

.tab-pane {
    display: none;
    animation: fadeSection .3s ease;
}

.tab-pane.active {
    display: block;
}

/* ─── Footer ─────────────────────────────── */
.doc-footer {
    margin-left: var(--sidebar-w);
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 24px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-light);
    flex-wrap: wrap;
    gap: 12px;
}

.doc-footer strong {
    color: var(--primary-dark);
}

/* ─── Back to top ────────────────────────── */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(56, 182, 255, .4);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 999;
}

.back-top.show {
    opacity: 1;
    transform: translateY(0);
}

.back-top:hover {
    transform: translateY(-3px) scale(1.1);
}

/* ─── Mobile hamburger ───────────────────── */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 22px;
    color: var(--secondary);
}

/* ─── Responsive ──────────────────────────── */
@media (max-width: 1024px) {
    .doc-main {
        padding: 28px 24px;
    }

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

@media (max-width: 768px) {
    :root {
        --sidebar-w: 0px;
    }

    .doc-sidebar {
        transform: translateX(-280px);
        width: 280px;
        z-index: 900;
        box-shadow: 4px 0 20px rgba(0, 0, 0, .15);
    }

    .doc-sidebar.open {
        transform: translateX(0);
    }

    .doc-main {
        margin-left: 0;
        padding: 20px 16px;
    }

    .doc-footer {
        margin-left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .doc-topnav {
        padding: 0 16px;
    }

    .doc-topnav nav {
        display: none;
    }

    .doc-hero {
        padding: 32px 24px;
    }

    .cards-grid2 {
        grid-template-columns: 1fr;
    }

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

    .steps .step::before {
        display: none;
    }
}