:root {
    --color-bg: #f4f5f7;
    --color-surface: #ffffff;
    --color-text: #1b1d21;
    --color-text-muted: #6b7280;
    --color-border: #e4e6ea;
    --color-accent: #6d63e0;      /* dominante extraite du logo PIMSE BDE */
    --color-accent-hover: #5a51c9;
    --color-danger: #d9483f;
    --color-danger-bg: #fdeceb;
    --color-info-bg: #eef0fd;
    --color-warning: #a06a12;
    --color-warning-bg: #fff3cd;
    --color-success: #1f7a41;
    --color-success-bg: #e3f5e8;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
}

/* --- Auth pages --- */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1b1d21 0%, #33364a 100%);
}
.auth-card {
    background: var(--color-surface);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 380px;
    text-align: center;
}
.auth-logo { width: 72px; height: 72px; margin-bottom: 12px; }
.auth-card h1 { margin: 0 0 4px; font-size: 22px; }
.auth-subtitle { color: var(--color-text-muted); font-size: 14px; margin-bottom: 24px; }
.auth-form { text-align: left; }
.auth-form label { display: block; font-size: 13px; font-weight: 600; margin: 14px 0 6px; }
.auth-form input, .auth-form select, .auth-form textarea {
    width: 100%; padding: 10px 12px; border: 1px solid var(--color-border);
    border-radius: 8px; font-size: 14px; font-family: inherit;
}
.auth-help { font-size: 12px; color: var(--color-text-muted); margin-top: 18px; }

/* --- Panels, tables, inline forms (modules Étape 2) --- */
.panel {
    background: var(--color-surface); border-radius: var(--radius); padding: 20px;
    box-shadow: var(--shadow); margin: 16px 0 24px;
}
.panel h2 { margin-top: 0; font-size: 16px; }
.inline-form {
    display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 16px;
}
.inline-form input, .inline-form select {
    padding: 8px 10px; border: 1px solid var(--color-border); border-radius: 8px; font-size: 14px;
}
.data-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.data-table th, .data-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--color-border); font-size: 14px; }
.data-table th { background: var(--color-bg); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--color-text-muted); }
.data-table .inline-form { margin: 0; display: inline-flex; }
.data-table .link-button { margin-right: 8px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; background: var(--color-info-bg); color: var(--color-accent-hover); font-size: 12px; font-weight: 600; }

/* --- Buttons --- */
.btn {
    display: inline-block; padding: 10px 18px; border-radius: 8px;
    border: none; font-size: 14px; font-weight: 600; cursor: pointer;
    text-decoration: none; text-align: center;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: var(--color-accent-hover); }
.btn-block { width: 100%; margin-top: 20px; }
.link-button { background: none; border: none; color: var(--color-text-muted); cursor: pointer; font-size: 13px; text-decoration: underline; }

/* --- Alerts --- */
.alert { padding: 12px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; }
.alert-error { background: var(--color-danger-bg); color: var(--color-danger); }
.alert-info { background: var(--color-info-bg); color: var(--color-accent-hover); }

/* --- App layout --- */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px; background: #1b1d21; color: #e5e5e8;
    display: flex; flex-direction: column; flex-shrink: 0;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 18px 16px; font-weight: 700; }
.sidebar-brand img { width: 28px; height: 28px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 0; }
.nav-section { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: #8a8d97; padding: 16px 16px 6px; }
.nav-link { display: block; padding: 9px 16px; color: #d4d5db; text-decoration: none; font-size: 14px; }
.nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-footer { padding: 14px 16px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 13px; display: flex; justify-content: space-between; align-items: center; }
.sidebar-footer .link-button { color: #8a8d97; }

.app-content { flex: 1; padding: 32px; max-width: 1200px; }
.app-content h1 { margin-top: 0; }

/* --- Cards --- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 20px 0; }
.card { background: var(--color-surface); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 8px; font-size: 13px; color: var(--color-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.card-stat { font-size: 28px; font-weight: 700; margin: 0; }
.card-note { font-size: 12px; color: var(--color-text-muted); margin: 6px 0 0; }

/* --- Cotisations / Événements / Tâches / Calendrier (Étape 3) --- */
.checkbox-list {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 6px;
    background: var(--color-bg); border-radius: 8px; padding: 12px; margin-top: 6px;
    max-height: 220px; overflow-y: auto;
}
.checkbox-item { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 400; }
.checkbox-item input { width: auto; }

.text-danger { color: var(--color-danger); font-weight: 600; }

.badge-priority-low { background: var(--color-info-bg); color: var(--color-text-muted); }
.badge-priority-medium { background: var(--color-info-bg); color: var(--color-accent-hover); }
.badge-priority-high { background: var(--color-danger-bg); color: var(--color-danger); }

.kanban-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; align-items: start; }
.kanban-scroll-hint { display: none; }
.kanban-column {
    background: var(--color-bg); border-radius: var(--radius); padding: 12px;
    border-top: 3px solid var(--color-text-muted);
}
.kanban-column-todo { border-top-color: var(--color-text-muted); }
.kanban-column-in_progress { border-top-color: var(--color-warning); }
.kanban-column-done { border-top-color: var(--color-success); }
.kanban-column-cancelled { border-top-color: var(--color-danger); }
.kanban-column-title { font-size: 13px; text-transform: uppercase; letter-spacing: .03em; color: var(--color-text-muted); margin: 4px 4px 12px; display: flex; justify-content: space-between; }
.kanban-count { background: var(--color-surface); border-radius: 999px; padding: 1px 8px; font-size: 12px; }
.kanban-card {
    background: var(--color-surface); border-radius: 8px; padding: 12px 12px 12px 11px;
    box-shadow: var(--shadow); margin-bottom: 10px; border-left: 3px solid var(--color-border);
}
.kanban-card-priority-high { border-left-color: var(--color-danger); }
.kanban-card-priority-medium { border-left-color: var(--color-accent); }
.kanban-card-priority-low { border-left-color: var(--color-border); }
.kanban-card-title { font-weight: 600; font-size: 14px; margin-bottom: 8px; line-height: 1.35; }
.kanban-card-meta { font-size: 12px; color: var(--color-text-muted); margin-bottom: 4px; display: flex; gap: 8px; align-items: center; }
.kanban-card-actions {
    margin-top: 10px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
    justify-content: space-between; border-top: 1px solid var(--color-border); padding-top: 8px;
}
.kanban-action-link {
    background: none; border: none; padding: 0; cursor: pointer; text-decoration: none;
    font-size: 12px; font-weight: 600; color: var(--color-text-muted); font-family: inherit;
}
.kanban-action-link:hover { color: var(--color-accent-hover); }
.kanban-action-danger:hover { color: var(--color-danger); }
.kanban-card-actions .inline-form { margin: 0; }
.status-select {
    appearance: none; -webkit-appearance: none; -moz-appearance: none;
    border: 1px solid transparent; border-radius: 999px; cursor: pointer;
    font-family: inherit; font-size: 11px; font-weight: 600;
    padding: 4px 22px 4px 10px;
    background-color: var(--color-info-bg); color: var(--color-text-muted);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b7280' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 8px center;
}
.status-select-todo { background-color: var(--color-info-bg); color: var(--color-text-muted); }
.status-select-in_progress { background-color: var(--color-warning-bg); color: var(--color-warning); }
.status-select-done { background-color: var(--color-success-bg); color: var(--color-success); }
.status-select-cancelled { background-color: var(--color-danger-bg); color: var(--color-danger); }

.calendar-grid { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); table-layout: fixed; }
.calendar-grid th { background: var(--color-bg); font-size: 11px; text-transform: uppercase; color: var(--color-text-muted); padding: 8px; text-align: center; }
.calendar-grid td { vertical-align: top; border: 1px solid var(--color-border); height: 112px; padding: 6px; font-size: 12px; transition: background-color .1s ease; }
.calendar-grid td:not(.calendar-empty):hover { background: var(--color-bg); }
.calendar-empty { background: var(--color-bg); }
.calendar-day-number { font-weight: 700; margin-bottom: 4px; }
.calendar-day-weekday { display: none; }
.calendar-today { background: var(--color-info-bg); box-shadow: inset 3px 0 0 var(--color-accent); }
.calendar-today:hover { background: var(--color-info-bg); }
.calendar-day-events { display: flex; flex-direction: column; gap: 3px; }
.calendar-chip { display: block; border-radius: 6px; padding: 2px 6px; font-size: 11px; text-decoration: none; color: inherit; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.calendar-chip-event { background: var(--color-info-bg); color: var(--color-accent-hover); }
.calendar-chip-task { background: var(--color-warning-bg); color: var(--color-warning); }
.calendar-chip-calendar { background: var(--color-bg); color: var(--color-text-muted); }
.calendar-chip-more { background: none; color: var(--color-text-muted); font-weight: 600; padding: 2px 6px 0; }

@media (max-width: 900px) {
    .kanban-board {
        display: flex; grid-template-columns: none; overflow-x: auto; gap: 12px;
        margin: 0 -4px; padding: 2px 4px 10px; scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    .kanban-column { flex: 0 0 84%; scroll-snap-align: start; }
    .kanban-scroll-hint {
        display: block; font-size: 12px; color: var(--color-text-muted); margin: -8px 0 14px;
    }
}

@media (max-width: 700px) {
    .calendar-grid, .calendar-grid tbody, .calendar-grid tr, .calendar-grid td { display: block; width: 100%; }
    .calendar-grid thead { display: none; }
    .calendar-grid tr { margin-bottom: 2px; }
    .calendar-empty { display: none; }
    .calendar-grid td {
        height: auto; min-height: 40px; display: flex; gap: 10px; align-items: flex-start;
        border-left: none; border-right: none; border-top: none; padding: 10px 14px;
    }
    .calendar-today { box-shadow: inset 3px 0 0 var(--color-accent); }
    .calendar-day-number { flex: 0 0 auto; margin-bottom: 0; white-space: nowrap; }
    .calendar-day-weekday { display: inline; font-weight: 500; color: var(--color-text-muted); margin-right: 4px; }
    .calendar-day-events { flex: 1; min-width: 0; }
    .calendar-day-events:empty::after { content: "—"; color: var(--color-text-muted); }
}

/* --- Errors --- */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.error-card { text-align: center; }
.error-card h1 { font-size: 64px; margin: 0; color: var(--color-accent); }

@media (max-width: 768px) {
    .app-layout { flex-direction: column; }
    .sidebar { width: 100%; }
    .app-content { padding: 20px; }
}