:root {
    --bg: #f7f5f2;
    --surface: #ffffff;
    --text: #221d17;
    --muted: #6b6258;
    --border: #e4ddd3;
    --accent: #a8622f;
    --accent-contrast: #ffffff;
    --error: #b23b3b;
    --error-bg: #fbe9e9;
    --success: #3f7a4f;
    --success-bg: #e9f5ec;
    --radius: 10px;
    --font: 'Inter', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #171310;
        --surface: #221d17;
        --text: #f0ebe3;
        --muted: #a79d8f;
        --border: #352d24;
        --accent: #d08a52;
        --accent-contrast: #171310;
        --error-bg: #3a2020;
        --success-bg: #1f3324;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.5;
}

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

.container {
    max-width: 920px;
    margin: 0 auto;
    padding: 24px 16px 64px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.topbar .brand { font-weight: 700; color: var(--text); font-size: 1.05rem; }

.topbar nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

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

.link {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: 0;
    font: inherit;
}
.link:hover { text-decoration: underline; }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
}
.alert-error { background: var(--error-bg); color: var(--error); }
.alert-success { background: var(--success-bg); color: var(--success); }

h1, h2, h3 { line-height: 1.25; }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.card-link {
    display: block;
    color: inherit;
}
.card-link:hover { text-decoration: none; border-color: var(--accent); }

.badge {
    display: inline-block;
    font-size: 0.75rem;
    padding: 2px 9px;
    border-radius: 999px;
    background: var(--border);
    color: var(--muted);
}
.badge-accent { background: var(--accent); color: var(--accent-contrast); }

form .field { margin-bottom: 16px; }
label { display: block; font-weight: 500; margin-bottom: 6px; }

input[type="text"], input[type="date"], input[type="time"], input[type="url"],
input[type="password"], textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    font: inherit;
}
textarea { resize: vertical; min-height: 60px; }

input.pin-input {
    font-size: 1.6rem;
    letter-spacing: 0.5em;
    text-align: center;
    max-width: 220px;
}

button, .btn {
    display: inline-block;
    padding: 10px 18px;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--accent-contrast);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}
button:hover, .btn:hover { opacity: 0.9; text-decoration: none; }

.btn-ghost {
    background: transparent;
    color: var(--accent);
}

/* Chips : remplacent les <select> pour les petits ensembles de choix (membre,
   thème). Toujours cliquables au tactile, jamais de menu déroulant. */
.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.chip-group input { position: absolute; opacity: 0; pointer-events: none; }
.chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    background: var(--surface);
    user-select: none;
}
.chip:hover { border-color: var(--accent); }
.chip-group input:checked + .chip {
    background: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
}
.chip .hint { font-size: 0.8rem; opacity: 0.75; }

.toggle-btn {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    border-radius: 999px;
    padding: 6px 14px;
    font-weight: 500;
    cursor: pointer;
}
.toggle-btn.is-on {
    background: var(--accent);
    color: var(--accent-contrast);
    border-color: var(--accent);
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.85rem; }

.theme-row {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    position: relative;
}
.theme-row .remove-theme {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    color: var(--muted);
    cursor: pointer;
    font-size: 1.1rem;
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 10px;
}
.photo-grid figure {
    margin: 0;
    position: relative;
}
.photo-grid img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius);
    cursor: pointer;
    display: block;
}
.photo-grid figcaption {
    font-size: 0.75rem;
    color: var(--muted);
    margin-top: 4px;
}

.theme-placeholder {
    padding: 14px 16px;
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    color: var(--muted);
}

/* Diaporama */
.diaporama { background: #000; color: #fff; min-height: 100vh; display: flex; flex-direction: column; }
.diaporama-top { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; }
.diaporama-top a { color: #fff; }
.diaporama-stage { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.diaporama-stage img { max-width: 100%; max-height: 72vh; object-fit: contain; }
.diaporama-nav {
    position: absolute;
    top: 0; bottom: 0;
    width: 60px;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 2rem;
    cursor: pointer;
}
.diaporama-nav.prev { left: 0; }
.diaporama-nav.next { right: 0; }
.diaporama-caption {
    padding: 16px 20px 28px;
    text-align: center;
}
.diaporama-caption .theme { font-weight: 600; margin-bottom: 4px; }
.diaporama-caption .exif { color: #bbb; font-size: 0.85rem; margin-top: 6px; }
.diaporama-counter { color: #bbb; font-size: 0.85rem; }

@media (max-width: 600px) {
    .topbar { padding: 12px 16px; }
    .container { padding: 16px 12px 48px; }
}