:root {
    --radius-lg: 26px;
    --radius-md: 16px;
    --font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
    --ease: cubic-bezier(.16, 1, .3, 1);

    /* ---- Thème par défaut : Moderne sombre (tech, monochrome bleu) ---- */
    --bg: #0a0c11;
    --surface: rgba(255, 255, 255, 0.045);
    --surface-hover: rgba(255, 255, 255, 0.085);
    --border: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.16);
    --text: #e9ebf1;
    --muted: #7c8494;

    --title-gradient: linear-gradient(90deg, #60a5fa, #38bdf8, #818cf8, #60a5fa);
    --brand-gradient: linear-gradient(135deg, #60a5fa, #38bdf8, #818cf8);
    --btn-gradient: linear-gradient(90deg, #6366f1, #38bdf8);
    --btn-text: #ffffff;
    --scrollbar-gradient: linear-gradient(180deg, #6366f1, #38bdf8);
    --icon-badge-lg-bg: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(56, 189, 248, 0.25));

    --accent-glow: 99, 102, 241;
    --grid-dot: rgba(255, 255, 255, 0.06);
    --card-shadow: none;
    --input-bg: rgba(0, 0, 0, 0.3);
    --focus-color: 99, 102, 241;
}

/* ---- Thème : Minimaliste clair ---- */
[data-theme="light"] {
    --bg: #f7f7fa;
    --surface: rgba(255, 255, 255, 0.75);
    --surface-hover: #ffffff;
    --border: rgba(20, 20, 30, 0.08);
    --border-strong: rgba(20, 20, 30, 0.18);
    --text: #16161f;
    --muted: #6b6b7c;

    --title-gradient: linear-gradient(90deg, #16161f, #4b4bff);
    --brand-gradient: linear-gradient(135deg, #16161f, #4b4bff);
    --btn-gradient: linear-gradient(90deg, #16161f, #33334a);
    --btn-text: #ffffff;
    --scrollbar-gradient: linear-gradient(180deg, #c6c6d1, #9d9dab);
    --icon-badge-lg-bg: linear-gradient(135deg, rgba(75, 75, 255, 0.12), rgba(22, 22, 31, 0.08));

    --accent-glow: 75, 75, 255;
    --grid-dot: rgba(20, 20, 30, 0.06);
    --card-shadow: 0 4px 20px rgba(20, 20, 30, 0.05);
    --input-bg: rgba(20, 20, 30, 0.04);
    --focus-color: 75, 75, 255;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg);
    position: relative;
    overflow-x: hidden;
}

/* ---- Fond statique : grille de points + halo discret ---- */

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: radial-gradient(var(--grid-dot) 1px, transparent 1px);
    background-size: 30px 30px;
    -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, black 40%, transparent 85%);
    mask-image: radial-gradient(ellipse 70% 55% at 50% 0%, black 40%, transparent 85%);
    transition: background-image 0.4s var(--ease);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(ellipse 900px 500px at 50% -10%, rgba(var(--accent-glow), 0.16), transparent 70%);
    transition: background 0.4s var(--ease);
}

::selection {
    background: rgba(255, 217, 61, 0.35);
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--scrollbar-gradient);
    border-radius: 10px;
}

.wrapper {
    position: relative;
    z-index: 2;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

/* ---- Topbar ---- */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 28px 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.02em;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: var(--brand-gradient);
    background-size: 250% 250%;
    animation: gradient-shift 10s ease infinite;
    transition: background 0.4s var(--ease);
}

.admin-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--muted);
    text-decoration: none;
    font-size: 1.05rem;
    opacity: 0.65;
    transition: opacity 0.25s var(--ease), transform 0.35s var(--ease), border-color 0.25s var(--ease);
}

.admin-link:hover {
    opacity: 1;
    transform: rotate(75deg);
    border-color: var(--border-strong);
}

/* ---- Hero ---- */

.hero {
    text-align: center;
    padding: 50px 0 60px;
}

.kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 16px;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.82rem;
    letter-spacing: 0.03em;
    margin-bottom: 22px;
    animation: fade-up 0.7s var(--ease) both;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.6rem, 7vw, 4.2rem);
    line-height: 1.05;
    margin: 0 0 16px;
    letter-spacing: -0.02em;
    background: var(--title-gradient);
    background-size: 300% 300%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradient-shift 9s ease infinite, fade-up 0.8s var(--ease) both;
    font-weight: 700;
    transition: background 0.4s var(--ease);
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero p {
    color: var(--muted);
    font-size: 1.12rem;
    max-width: 480px;
    margin: 0 auto;
    animation: fade-up 0.9s var(--ease) both;
}

@keyframes fade-up {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---- Bascule thème clair / sombre ---- */

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    font-size: 1.05rem;
    line-height: 1;
    transition: border-color 0.25s var(--ease), transform 0.35s var(--ease);
}

.theme-toggle:hover {
    border-color: var(--border-strong);
    transform: rotate(15deg);
}

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: inline;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ---- Grid & cards ---- */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
}

.card {
    --glow: var(--card-color, #4ecdc4);
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    text-decoration: none;
    color: var(--text);
    overflow: hidden;
    isolation: isolate;
    box-shadow: var(--card-shadow);
    transition: transform 0.45s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
    animation: card-in 0.7s var(--ease) both;
    animation-delay: calc(var(--i, 0) * 80ms + 200ms);
}

@keyframes card-in {
    from { opacity: 0; transform: translateY(28px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--border-strong);
    box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

/* Bannière (image fournie, ou dégradé + logo en filigrane à défaut) */

.card-banner {
    position: relative;
    height: 168px;
    flex-shrink: 0;
    display: flex;
    align-items: flex-end;
    padding: 18px 20px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.card-banner.no-image {
    background-image: linear-gradient(145deg, var(--glow), color-mix(in srgb, var(--glow) 45%, #05050a));
}

.card-banner.no-image .watermark {
    position: absolute;
    right: -8px;
    bottom: -22px;
    font-size: 6.5rem;
    opacity: 0.22;
    transform: rotate(-8deg);
    pointer-events: none;
    filter: blur(0.3px);
}

.card-banner.has-image::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4, 4, 8, 0.85) 0%, rgba(4, 4, 8, 0.15) 65%, transparent 100%);
}

.card-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    padding: 5px 12px;
    border-radius: 999px;
    background: rgba(8, 8, 14, 0.45);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.card-banner-title {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.card-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.28);
    font-size: 1.35rem;
    flex-shrink: 0;
    transition: transform 0.4s var(--ease);
}

.card:hover .card-logo {
    transform: scale(1.08) rotate(-4deg);
}

.card-banner h2 {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.32rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Corps de la carte */

.card-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px 22px 24px;
}

.card-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--glow);
}

.card-date svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.card p {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card .go {
    margin-top: auto;
    padding-top: 6px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--glow);
}

.card .go .arrow {
    transition: transform 0.35s var(--ease);
}

.card:hover .go .arrow {
    transform: translateX(5px);
}

.empty-state {
    text-align: center;
    color: var(--muted);
    padding: 70px 20px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

footer {
    margin-top: 70px;
    text-align: center;
    color: var(--muted);
    font-size: 0.82rem;
    opacity: 0.75;
}

footer a {
    color: var(--muted);
    text-decoration: none;
    border-bottom: 1px dotted var(--border-strong);
    transition: color 0.2s var(--ease);
}

footer a:hover {
    color: var(--text);
}

footer .dot {
    margin: 0 8px;
    opacity: 0.5;
}

/* ---- Page légale ---- */

.legal-page {
    position: relative;
    z-index: 2;
    max-width: 760px;
    margin: 0 auto;
    padding: 20px 0 60px;
}

.legal-page h1 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    margin: 8px 0 30px;
}

.legal-page h2 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin: 34px 0 10px;
}

.legal-page p, .legal-page li {
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.7;
}

.legal-page a {
    color: var(--text);
}

.legal-page strong {
    color: var(--text);
}

/* ---- Login / Admin ---- */

.auth-box {
    position: relative;
    z-index: 2;
    max-width: 420px;
    margin: 110px auto;
    padding: 44px 36px;
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 1px solid var(--border);
    text-align: center;
    animation: fade-up 0.6s var(--ease) both;
    box-shadow: var(--card-shadow);
}

.auth-box .icon-badge-lg {
    width: 60px;
    height: 60px;
    margin: 0 auto 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: var(--icon-badge-lg-bg);
    font-size: 1.6rem;
}

.auth-box h1 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin: 0 0 24px;
    font-weight: 600;
}

.auth-box input[type="password"] {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    letter-spacing: 6px;
    text-align: center;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    margin-bottom: 18px;
    font-family: var(--font-body);
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.auth-box input[type="password"]:focus {
    outline: none;
    border-color: rgba(var(--focus-color), 0.6);
    box-shadow: 0 0 0 4px rgba(var(--focus-color), 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 13px 26px;
    border-radius: 14px;
    border: none;
    background: var(--btn-gradient);
    color: var(--btn-text);
    font-weight: 700;
    font-size: 0.98rem;
    font-family: var(--font-body);
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
    width: 100%;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -8px rgba(255, 107, 107, 0.5);
}

.btn.secondary {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    width: auto;
}

.btn.secondary:hover {
    box-shadow: none;
    border-color: var(--border-strong);
}

.back-link {
    display: inline-block;
    margin-top: 22px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s var(--ease);
}

.back-link:hover {
    color: var(--text);
}

.error-msg, .success-msg {
    padding: 11px 16px;
    border-radius: 12px;
    margin-bottom: 18px;
    font-size: 0.88rem;
    text-align: left;
}

.error-msg {
    background: rgba(255, 107, 107, 0.12);
    border: 1px solid rgba(255, 107, 107, 0.35);
    color: #ffb3b3;
}

.success-msg {
    background: rgba(78, 205, 196, 0.12);
    border: 1px solid rgba(78, 205, 196, 0.35);
    color: #b6f5ee;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding: 32px 0;
}

.admin-header h1 {
    font-family: var(--font-display);
    font-weight: 700;
    margin: 0;
    font-size: 1.8rem;
}

.admin-header .actions {
    display: flex;
    gap: 10px;
}

.panel {
    position: relative;
    z-index: 2;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 26px;
    box-shadow: var(--card-shadow);
}

.panel h2 {
    margin-top: 0;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 18px;
}

.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-size: 0.85rem;
    color: var(--muted);
}

.form-grid input[type="text"],
.form-grid input[type="url"],
.form-grid textarea {
    padding: 11px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.form-grid input[type="text"]:focus,
.form-grid input[type="url"]:focus,
.form-grid textarea:focus {
    outline: none;
    border-color: rgba(var(--focus-color), 0.6);
    box-shadow: 0 0 0 4px rgba(var(--focus-color), 0.15);
}

.form-grid input[type="color"] {
    width: 60px;
    height: 42px;
    padding: 0;
    border: none;
    border-radius: 10px;
    background: none;
    cursor: pointer;
}

.form-actions {
    margin-top: 22px;
    display: flex;
    gap: 10px;
}

.form-actions .btn {
    width: auto;
}

.admin-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.admin-row {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    border-left: 3px solid var(--row-color, #4ecdc4);
    transition: background 0.25s var(--ease);
}

.admin-row:hover {
    background: var(--surface-hover);
}

.admin-row .icon-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--row-color, #4ecdc4) 22%, transparent);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.admin-row .info {
    flex: 1;
    min-width: 0;
}

.admin-row .info strong {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
}

.admin-row .info span {
    color: var(--muted);
    font-size: 0.83rem;
    word-break: break-all;
}

.admin-row .actions {
    display: flex;
    gap: 8px;
}

.icon-btn {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 9px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 0.84rem;
    font-family: var(--font-body);
    text-decoration: none;
    transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.icon-btn.danger {
    color: #ff8a8a;
    border-color: rgba(255, 107, 107, 0.3);
}

.icon-btn:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
}

@media (max-width: 640px) {
    .auth-box { margin: 60px auto; padding: 34px 24px; }
    .admin-row { flex-wrap: wrap; }
}