:root {
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #7dd3fc;
    --border: #334155;
    --success: #22c55e;
    --warning: #eab308;
    --info: #6366f1;
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

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

/* ── Header ───────────────────── */
header {
    text-align: center;
    padding: 3rem 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

header h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: .5rem; }
header .subtitle { color: var(--text-muted); font-size: 1.1rem; }

/* ── Grid ──────────────────────── */
main { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all .15s;
    color: var(--text) !important;
}

.card:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
}

.card-body-link {
    display: block;
    color: var(--text) !important;
    text-decoration: none;
}

.card-body-link:hover h2 {
    color: var(--accent);
}

.card-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: .75rem;
    gap: .5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .75rem;
    gap: .5rem;
}

.card h2 { font-size: 1.25rem; font-weight: 700; margin-bottom: .35rem; }

.subtitle { color: var(--text-muted); font-size: .9rem; margin-bottom: .5rem; }
.audience { font-size: .85rem; color: var(--text-muted); margin-bottom: .5rem; }

.summary { font-size: .9rem; color: var(--text-muted); line-height: 1.5; }

.note-preview {
    margin-top: .75rem;
    padding: .5rem .75rem;
    background: rgba(99, 102, 241, .1);
    border-radius: 8px;
    font-size: .85rem;
    color: var(--text-muted);
    display: flex;
    gap: .5rem;
    align-items: flex-start;
}

/* ── Status badges ─────────────── */
.status {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.status-brouillon { background: rgba(234, 179, 8, .15); color: var(--warning); }
.status-pret { background: rgba(34, 197, 94, .15); color: var(--success); }
.status-livre { background: rgba(99, 102, 241, .15); color: var(--info); }
.status-archive { color: var(--text-muted); background: rgba(148, 163, 184, .15); }

.duration { font-size: .8rem; color: var(--text-muted); }

/* ── Present buttons ───────────── */
.present-btn {
    display: inline-block;
    margin-top: .5rem;
    padding: .5rem 1rem;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    color: #000 !important;
    font-weight: 700;
    border-radius: 8px;
    font-size: .9rem;
    transition: opacity .15s;
}
.present-btn:hover { opacity: .85; color: #000 !important; }

.present-btn-small {
    display: inline-block;
    padding: .35rem .75rem;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    color: #000 !important;
    font-weight: 600;
    border-radius: 6px;
    font-size: .8rem;
    white-space: nowrap;
    transition: opacity .15s;
}
.present-btn-small:hover { opacity: .85; color: #000 !important; }

/* ── Speaker buttons ──────────── */
.speaker-btn {
    display: inline-block;
    margin-top: .5rem;
    margin-left: .5rem;
    padding: .5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text) !important;
    font-weight: 600;
    border-radius: 8px;
    font-size: .85rem;
    transition: all .15s;
}
.speaker-btn:hover { border-color: var(--accent2); background: var(--bg-hover); }

.speaker-btn-small {
    display: inline-block;
    padding: .35rem .65rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text) !important;
    font-weight: 500;
    border-radius: 6px;
    font-size: .75rem;
    white-space: nowrap;
    transition: all .15s;
}
.speaker-btn-small:hover { border-color: var(--accent2); background: var(--bg-hover); }

/* ── Detail page ───────────────── */
.detail-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.back {
    display: inline-block;
    padding: .4rem .8rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: .9rem;
    white-space: nowrap;
}

.back:hover { border-color: var(--accent); }

.meta { display: flex; gap: .75rem; align-items: center; margin-top: .5rem; flex-wrap: wrap; }

.detail { max-width: 900px; }

/* ── Markdown content ──────────── */
.md-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 2rem;
}

.md-content h1 { font-size: 2rem; border-bottom: 1px solid var(--border); padding-bottom: .5rem; margin-bottom: 1rem; }
.md-content h2 { font-size: 1.5rem; margin-top: 1.5rem; margin-bottom: .5rem; }
.md-content h3 { font-size: 1.2rem; margin-top: 1.25rem; }
.md-content p { margin-bottom: .75rem; }
.md-content ul, .md-content ol { padding-left: 1.5rem; margin-bottom: .75rem; }
.md-content li { margin-bottom: .25rem; }
.md-content code {
    background: rgba(56, 189, 248, .1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: .9em;
}
.md-content pre {
    background: rgba(0,0,0,.3);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}
.md-content pre code { background: none; padding: 0; }
.md-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 1rem;
    color: var(--text-muted);
    margin-bottom: .75rem;
}
.md-content table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 1rem;
}
.md-content th, .md-content td {
    border: 1px solid var(--border);
    padding: .5rem .75rem;
    text-align: left;
}
.md-content th { background: var(--bg-hover); }

/* ── Notes section ─────────────── */
.notes-section { margin-bottom: 2rem; }

.notes-section h2 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    padding-bottom: .5rem;
    border-bottom: 1px solid var(--border);
}

.note-form {
    display: flex;
    gap: .5rem;
    margin-bottom: 1rem;
}

.note-form textarea {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .75rem;
    color: var(--text);
    font-family: inherit;
    resize: vertical;
    min-height: 60px;
}

.note-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.note-form button {
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: .75rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    align-self: flex-start;
}

.note-form button:hover { background: var(--accent-hover); }

.notes-list { display: flex; flex-direction: column; gap: .75rem; }

.note {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
}

.note p { margin-bottom: .35rem; }

.note small { color: var(--text-muted); font-size: .8rem; }

.empty-notes { color: var(--text-muted); font-style: italic; }

/* ── Raw MD ────────────────────── */
.raw-md {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.5rem;
    cursor: pointer;
}

.raw-md summary {
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
}

.raw-md pre {
    margin-top: 1rem;
    overflow-x: auto;
    font-size: .85rem;
}

.raw-md code {
    white-space: pre-wrap;
    color: var(--text-muted);
}

/* ── Empty state ───────────────── */
.empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
}

.empty .hint { font-size: .9rem; margin-top: .5rem; }
.empty code { background: rgba(148, 163, 184, .1); padding: 2px 6px; border-radius: 4px; }

/* ── Footer ────────────────────── */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: .85rem;
    border-top: 1px solid var(--border);
}

/* ── Tabs ──────────────────────── */
.tabs {
    display: flex;
    justify-content: center;
    gap: .25rem;
    padding: 1rem 1.5rem 0;
    max-width: 1200px;
    margin: 0 auto;
}

.tab {
    padding: .5rem 1.25rem;
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    color: var(--text-muted) !important;
    font-size: .85rem;
    font-weight: 600;
    transition: all .1s;
    background: transparent;
}

.tab:hover {
    color: var(--text) !important;
    background: var(--bg-card);
}

.tab.active {
    color: var(--accent) !important;
    background: var(--bg-card);
    border-color: var(--accent);
}

/* ── Category badges ──────────── */
.category-badge {
    font-size: .65rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: .3px;
}
.category-formation { background: rgba(56, 189, 248, .12); color: #38bdf8; }
.category-micro { background: rgba(234, 179, 8, .12); color: #eab308; }

.card-buttons {
    display: flex;
    gap: .35rem;
    flex-shrink: 0;
}

/* ── Admin buttons ─────────────── */
.header-actions {
    margin-top: 1rem;
}

.admin-btn {
    display: inline-block;
    padding: .6rem 1.25rem;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff !important;
    font-weight: 700;
    border-radius: 8px;
    font-size: .95rem;
    transition: opacity .15s;
}
.admin-btn:hover { opacity: .85; color: #fff !important; }

.edit-btn {
    display: inline-block;
    margin-top: .5rem;
    margin-left: .5rem;
    padding: .5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text) !important;
    font-weight: 600;
    border-radius: 8px;
    font-size: .85rem;
    cursor: pointer;
    transition: all .15s;
}
.edit-btn:hover { border-color: var(--accent); background: var(--bg-hover); }

.edit-btn-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted) !important;
    border-radius: 6px;
    font-size: .75rem;
    text-decoration: none;
    transition: all .15s;
}
.edit-btn-small:hover { border-color: var(--accent); color: var(--accent) !important; background: var(--bg-hover); }

.delete-btn {
    display: inline-block;
    margin-top: .5rem;
    margin-left: .5rem;
    padding: .5rem 1rem;
    background: rgba(239, 68, 68, .1);
    border: 1px solid rgba(239, 68, 68, .3);
    color: #ef4444 !important;
    font-weight: 600;
    border-radius: 8px;
    font-size: .85rem;
    cursor: pointer;
    transition: all .15s;
}
.delete-btn:hover { background: rgba(239, 68, 68, .2); border-color: #ef4444; }

.detail-actions {
    margin-top: .75rem;
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    align-items: center;
}

/* ── Editor section ────────────── */
.editor-section {
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.editor-section h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.editor-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.md-editor {
    width: 100%;
    min-height: 300px;
    background: #0f172a;
    color: #e2e8f0;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: .9rem;
    line-height: 1.6;
    resize: vertical;
    tab-size: 2;
}

.md-editor:focus {
    outline: none;
    border-color: var(--accent);
}

.editor-toolbar {
    display: flex;
    gap: .5rem;
    align-items: center;
    flex-wrap: wrap;
}

.editor-hint {
    font-size: .8rem;
    color: var(--text-muted);
    font-style: italic;
    margin-left: auto;
}

.save-btn {
    padding: .6rem 1.5rem;
    background: linear-gradient(135deg, #38bdf8, #6366f1);
    color: #000 !important;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    font-size: .9rem;
    cursor: pointer;
    transition: opacity .15s;
}
.save-btn:hover { opacity: .85; }

.cancel-btn {
    padding: .6rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted) !important;
    font-weight: 600;
    border-radius: 8px;
    font-size: .85rem;
    cursor: pointer;
    transition: all .15s;
}
.cancel-btn:hover { border-color: var(--text-muted); color: var(--text) !important; }

/* ── Upload section ────────────── */
.upload-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.upload-form { display: inline-block; }

.upload-label {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .5rem 1rem;
    background: var(--bg-card);
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--text-muted);
    font-size: .85rem;
    cursor: pointer;
    transition: all .15s;
}
.upload-label:hover {
    border-color: var(--accent);
    color: var(--text);
}

.upload-input {
    display: none;
}

/* ── New form ──────────────────── */
.new-form {
    max-width: 100%;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: .35rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-weight: 600;
    font-size: .9rem;
    color: var(--text);
}

.form-hint {
    font-size: .8rem !important;
    color: var(--text-muted);
    margin-bottom: .25rem !important;
}

.form-hint code {
    background: rgba(148, 163, 184, .1);
    padding: 1px 4px;
    border-radius: 3px;
}

.form-input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .6rem .75rem;
    color: var(--text);
    font-family: inherit;
    font-size: .9rem;
    transition: border-color .15s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

select.form-input {
    cursor: pointer;
}

/* ── Responsive ────────────────── */
@media (max-width: 600px) {
    header h1 { font-size: 1.75rem; }
    .grid { grid-template-columns: 1fr; }
    .note-form { flex-direction: column; }
    .detail-header { flex-direction: column; }
}