:root {
    --bg: #f4f7f5;
    --bg-accent: #e7efe9;
    --ink: #1c2b24;
    --muted: #5d6f66;
    --brand: #1f6b4a;
    --brand-dark: #154d35;
    --surface: #ffffff;
    --line: #cfdcd4;
    --danger: #9b2c2c;
    --success: #1f6b4a;
    --shadow: 0 10px 30px rgba(28, 43, 36, 0.06);
    --radius: 14px;
    --font-display: "Fraunces", Georgia, serif;
    --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background:
        radial-gradient(circle at top left, rgba(31, 107, 74, 0.08), transparent 40%),
        linear-gradient(180deg, #f7faf8 0%, var(--bg) 100%);
    min-height: 100vh;
}

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

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
}

.nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--muted); font-weight: 600; text-decoration: none; }
.nav a:hover { color: var(--brand); }

.container {
    width: min(1480px, calc(100% - 1rem));
    margin: 0 auto;
    padding: 1.5rem 0 3rem;
}

.hero {
    padding: 2rem 0 1rem;
}

.hero h1, h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    margin: 0 0 0.75rem;
}

.hero p, .lead { color: var(--muted); font-size: 1.05rem; max-width: 42rem; }

.flash {
    padding: 0.85rem 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    border: 1px solid var(--line);
}

.flash.success { background: #e8f5ee; color: var(--success); border-color: #b7dcc8; }
.flash.error { background: #fdecec; color: var(--danger); border-color: #f0c2c2; }

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

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.card h3 { margin-bottom: 0.35rem; }
.card .meta { color: var(--muted); font-size: 0.95rem; }

.section {
    margin-top: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

th, td {
    padding: 0.75rem 0.85rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    background: var(--bg-accent);
    font-size: 0.9rem;
    color: var(--muted);
}

tr:last-child td { border-bottom: none; }

.form, .stack { display: grid; gap: 0.85rem; }

label {
    display: grid;
    gap: 0.35rem;
    font-weight: 600;
    font-size: 0.95rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="url"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--line);
    border-radius: 10px;
    font: inherit;
    background: #fff;
    color: var(--ink);
}

textarea { min-height: 100px; resize: vertical; }

.row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
}

.btn, button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: none;
    border-radius: 999px;
    padding: 0.65rem 1.1rem;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    background: var(--brand);
    color: #fff;
    text-decoration: none;
}

.btn:hover, button:hover { background: var(--brand-dark); text-decoration: none; color: #fff; }
.btn.secondary, button.secondary { background: #e7efe9; color: var(--ink); }
.btn.secondary:hover, button.secondary:hover { background: #d5e4da; color: var(--ink); }
.btn.danger, button.danger { background: var(--danger); }
.btn.small, button.small { padding: 0.4rem 0.8rem; font-size: 0.9rem; }
.btn svg, button svg {
    display: inline-block;
    vertical-align: -2px;
}

.inline-form { display: inline; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.muted { color: var(--muted); }
.badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    background: var(--bg-accent);
    color: var(--brand-dark);
    font-size: 0.8rem;
    font-weight: 700;
}

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.enseignement-list { display: grid; gap: 1rem; }

.ressource-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--line);
}
.ressource-item:last-child { border-bottom: none; }
.ressource-image {
    margin-top: 0.6rem;
}
.ressource-image img {
    display: block;
    max-width: min(100%, 420px);
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--line);
}

.login-box {
    width: min(420px, 100%);
    margin: 3rem auto;
}

.site-footer {
    text-align: center;
    color: var(--muted);
    padding: 2rem 1rem 3rem;
    font-size: 0.95rem;
}

.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0 0 1.5rem;
    padding: 0.4rem;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 999px;
    box-shadow: var(--shadow);
    width: fit-content;
    max-width: 100%;
}

.admin-tab {
    padding: 0.55rem 1rem;
    border-radius: 999px;
    color: var(--muted);
    font-weight: 700;
    text-decoration: none;
}

.admin-tab:hover {
    color: var(--brand-dark);
    background: var(--bg-accent);
    text-decoration: none;
}

.admin-tab.is-active {
    background: var(--brand);
    color: #fff;
}

.admin-tab.is-active:hover {
    background: var(--brand-dark);
    color: #fff;
}

.data-table .col-actions {
    width: 7rem;
    text-align: right;
    white-space: nowrap;
}

.row-actions {
    display: inline-flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    color: var(--ink);
    cursor: pointer;
    padding: 0;
    text-decoration: none;
}

.icon-btn:hover {
    background: var(--bg-accent);
    color: var(--brand-dark);
    text-decoration: none;
}

.icon-btn-danger {
    color: var(--danger);
}

.icon-btn-danger:hover {
    background: #fdecec;
    color: var(--danger);
}

tr.is-editing td {
    background: #f3faf6;
}

@media (max-width: 700px) {
    .site-header { flex-direction: column; align-items: flex-start; }
    th, td { font-size: 0.92rem; }
}

/* Calendrier public */
.calendar-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.calendar-label {
    margin: 0;
    min-width: 12rem;
    text-align: center;
    font-size: 1.25rem;
}

.calendar-modes { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.calendar-weekdays,
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-month {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.calendar-weekday {
    padding: 0.65rem 0.4rem;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--muted);
    background: var(--bg-accent);
    border-bottom: 1px solid var(--line);
}

.calendar-cell {
    min-height: 128px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 0.45rem;
    background: #fff;
}

.calendar-cell:nth-child(7n) { border-right: none; }
.calendar-cell.is-outside { background: #f7faf8; color: #9aa89f; }
.calendar-cell.is-today { box-shadow: inset 0 0 0 2px rgba(31, 107, 74, 0.35); }
.calendar-cell.has-events { background: linear-gradient(180deg, #f3faf6 0%, #fff 40%); }

.calendar-daynum {
    display: inline-flex;
    width: 1.7rem;
    height: 1.7rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.9rem;
    color: inherit;
    text-decoration: none;
}
.calendar-daynum:hover { background: var(--bg-accent); color: var(--brand-dark); }
.is-today .calendar-daynum { background: var(--brand); color: #fff; }

.calendar-cell-events { display: grid; gap: 0.3rem; margin-top: 0.35rem; }

.cal-event {
    display: grid;
    gap: 0.15rem;
    padding: 0.4rem 0.5rem;
    border-radius: 8px;
    background: var(--brand);
    color: #fff;
    text-decoration: none;
    font-size: 0.82rem;
    line-height: 1.25;
}
.cal-event:hover { background: var(--brand-dark); color: #fff; text-decoration: none; }
.cal-event-compact { padding: 0.25rem 0.4rem; }
.cal-event-time { font-weight: 700; opacity: 0.9; }
.cal-event-title { font-weight: 700; }
.cal-event-people { opacity: 0.92; font-size: 0.78rem; }

.calendar-week {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.65rem;
}

.calendar-week-day {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 12px;
    min-height: 220px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.calendar-week-day.is-today { border-color: var(--brand); }
.calendar-week-day.has-events { background: linear-gradient(180deg, #f3faf6 0%, #fff 35%); }

.calendar-week-head {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.7rem 0.75rem;
    background: var(--bg-accent);
    color: var(--ink);
    text-decoration: none;
    border-bottom: 1px solid var(--line);
    font-size: 0.85rem;
}
.calendar-week-head:hover { color: var(--brand-dark); text-decoration: none; }
.calendar-week-body { padding: 0.55rem; display: grid; gap: 0.4rem; }
.cal-empty { margin: 0.4rem 0; text-align: center; }

.day-event h3 { margin-top: 0.35rem; }
.day-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    margin: 1rem 0;
}
.day-meta dt {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--muted);
    margin-bottom: 0.2rem;
}
.day-meta dd { margin: 0; font-weight: 700; font-size: 1.05rem; }

@media (max-width: 900px) {
    .calendar-week {
        grid-template-columns: 1fr;
    }
    .calendar-cell { min-height: 84px; }
    .cal-event-compact .cal-event-title {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

@media (max-width: 700px) {
    .calendar-weekday { font-size: 0.72rem; padding: 0.5rem 0.15rem; }
    .calendar-cell { padding: 0.3rem; min-height: 72px; }
    .cal-event-compact { font-size: 0.7rem; }
}