:root {
    --bg: #f4f5f9;
    --surface: #ffffff;
    --border: #e5e7eb;
    --text: #1f2937;
    --text-muted: #6b7280;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-soft: #eef2ff;
    --success: #16a34a;
    --success-soft: #dcfce7;
    --warning: #d97706;
    --warning-soft: #fef3c7;
    --info: #0284c7;
    --info-soft: #e0f2fe;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --sidebar-w: 260px;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }

.main {
    flex: 1;
    margin-left: var(--sidebar-w);
    padding: 28px 32px;
    max-width: 1400px;
}

/* ---------- Sidebar ---------- */
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-w);
    background: #111827;
    color: #d1d5db;
    display: flex;
    flex-direction: column;
    z-index: 50;
    transition: transform 0.25s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand { font-weight: 700; font-size: 18px; color: #fff; }

.sidebar-nav { padding: 12px; flex: 1; }

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 14px;
    border-radius: 8px;
    color: #d1d5db;
    margin-bottom: 4px;
    transition: background 0.15s, color 0.15s;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.06); color: #fff; text-decoration: none; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item svg { flex-shrink: 0; }

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-chip { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.user-avatar {
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--primary);
    color: #fff; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.user-meta { display: flex; flex-direction: column; min-width: 0; }
.user-name { color: #fff; font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { color: #9ca3af; font-size: 12px; text-transform: capitalize; }

.logout {
    color: #9ca3af;
    display: flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}
.logout:hover { background: rgba(255, 255, 255, 0.08); color: #fca5a5; }

.overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 40;
}

/* ---------- Topbar ---------- */
.topbar {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 26px;
}
.topbar > div { flex: 1; }
.page-title { font-size: 24px; font-weight: 700; }
.page-subtitle { color: var(--text-muted); font-size: 14px; }

.hamburger {
    display: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    color: var(--text);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.05s;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--bg); }
.btn-danger { background: transparent; border-color: var(--border); color: var(--danger); }
.btn-danger:hover { background: var(--danger-soft); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 10px; font-size: 13px; border-radius: 6px; }

/* ---------- Cards & KPIs ---------- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 14px; }

.kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
.kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
}
.kpi-label { color: var(--text-muted); font-size: 13px; margin-bottom: 6px; }
.kpi-value { font-size: 30px; font-weight: 700; letter-spacing: -0.5px; }
.kpi-value small { font-size: 14px; color: var(--text-muted); font-weight: 500; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.grid-2 .card { margin-bottom: 20px; }

.chart-wrap { position: relative; height: 280px; }

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

/* ---------- Alerts ---------- */
.alert {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 14px;
}
.alert-error { background: var(--danger-soft); color: var(--danger); }
.alert-success { background: var(--success-soft); color: var(--success); }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; gap: 12px; flex-wrap: wrap; }
.search-box {
    position: relative;
    flex: 1;
    min-width: 220px;
}
.search-box svg {
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}
.search-box input {
    width: 100%;
    padding: 10px 12px 10px 38px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--surface);
}
.search-box input:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }

.select, input[type="text"], input[type="email"], input[type="password"], textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    background: var(--surface);
    color: var(--text);
    font-family: inherit;
}
.select { cursor: pointer; }
input:focus, textarea:focus, .select:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }

/* ---------- Table ---------- */
.table-scroll { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th {
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
}
.table td { padding: 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:hover { background: #fafafa; }
.table .text-right { text-align: right; }

.cell-name { font-weight: 600; }
.cell-sub { font-size: 13px; color: var(--text-muted); }
.cell-contact { font-size: 13px; }
.cell-contact div { line-height: 1.4; }

/* Badges statut */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: capitalize;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge-client { background: var(--success-soft); color: var(--success); }
.badge-prospect { background: var(--warning-soft); color: var(--warning); }
.badge-lead { background: var(--info-soft); color: var(--info); }

.select-status {
    width: auto;
    min-width: 110px;
    padding: 5px 10px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 999px;
    border: 1px solid transparent;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
}
.select-status.badge-client { background: var(--success-soft); color: var(--success); }
.select-status.badge-prospect { background: var(--warning-soft); color: var(--warning); }
.select-status.badge-lead { background: var(--info-soft); color: var(--info); }
.select-status:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }

.tags { display: flex; flex-wrap: wrap; gap: 4px; }
.tag {
    font-size: 11px;
    background: var(--primary-soft);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 999px;
    font-weight: 500;
}

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding-top: 14px;
    flex-wrap: wrap;
}
.pagination-info { color: var(--text-muted); font-size: 13px; }
.pagination-btns { display: flex; gap: 6px; }
.page-btn {
    min-width: 34px; height: 34px;
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text);
}
.page-btn:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Activity list ---------- */
.activity-list { display: flex; flex-direction: column; gap: 4px; }
.activity-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 8px;
    border-radius: 8px;
}
.activity-item:hover { background: #fafafa; }
.activity-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--primary); flex-shrink: 0;
}
.activity-text { flex: 1; }
.activity-text strong { font-weight: 600; }
.activity-time { font-size: 12px; color: var(--text-muted); white-space: nowrap; }

/* ---------- Modal ---------- */
.modal { display: none; position: fixed; inset: 0; z-index: 100; }
.modal.open { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.45); }
.modal-panel {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 560px;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 18px; font-weight: 700; }
.modal-close {
    background: none; border: none; cursor: pointer;
    color: var(--text-muted); padding: 4px;
    border-radius: 6px;
}
.modal-close:hover { background: var(--bg); color: var(--text); }
.modal-body { padding: 22px; }
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    margin-top: 18px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-stack { display: flex; flex-direction: column; gap: 14px; }
label span {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    bottom: 24px; right: 24px;
    background: #111827;
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    z-index: 200;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: var(--danger); }

/* ---------- Skeleton ---------- */
.skeleton .kpi-value { color: transparent; background: #e5e7eb; border-radius: 6px; width: 60px; height: 30px; }

/* ---------- Auth pages ---------- */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
    background: linear-gradient(135deg, #eef2ff 0%, #f4f5f9 100%);
}
.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
}
.auth-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
    margin-bottom: 8px;
}
.auth-logo h1 { font-size: 24px; font-weight: 700; }
.auth-subtitle { text-align: center; color: var(--text-muted); margin-bottom: 24px; font-size: 14px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 14px; color: var(--text-muted); }

/* ---------- Agenda ---------- */
.agenda-card { overflow: hidden; }
.agenda-toolbar {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.agenda-month { font-size: 18px; font-weight: 700; flex: 1; }

.agenda-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
    margin-bottom: 6px;
}
.agenda-weekdays span {
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    padding: 6px 0;
}

.agenda-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 6px;
}
.agenda-cell {
    min-height: 88px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px;
    background: var(--surface);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.agenda-cell:hover { border-color: var(--primary); }
.agenda-cell.empty { background: transparent; border: none; cursor: default; }
.agenda-cell.today { background: var(--primary-soft); border-color: var(--primary); }
.agenda-cell.selected { outline: 2px solid var(--primary); }
.agenda-day-num {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}
.agenda-cell.today .agenda-day-num { color: var(--primary); }
.agenda-cell-events { display: flex; flex-direction: column; gap: 3px; overflow: hidden; }
.agenda-chip {
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff;
    font-weight: 500;
}
.chip-rdv { background: var(--primary); }
.chip-appel { background: var(--info); }
.chip-tache { background: var(--warning); }
.agenda-more { font-size: 11px; color: var(--text-muted); }

.agenda-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot-rdv { background: var(--primary); }
.dot-appel { background: var(--info); }
.dot-tache { background: var(--warning); }

.day-events { display: flex; flex-direction: column; gap: 10px; }
.day-event {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fafafa;
}
.day-event-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; margin-top: 6px; }
.day-event-body { flex: 1; min-width: 0; }
.day-event-title { font-weight: 600; }
.day-event-meta { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.day-event-notes { font-size: 13px; color: var(--text-muted); margin-top: 6px; white-space: pre-wrap; }
.day-event-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .kpis { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .overlay.open { display: block; }
    .main { margin-left: 0; padding: 18px 16px; }
    .hamburger { display: inline-flex; }
    .topbar { flex-wrap: wrap; }
    .topbar .btn { margin-left: auto; }
    .kpis { grid-template-columns: 1fr 1fr; gap: 12px; }
    .kpi-value { font-size: 24px; }
    .form-row { grid-template-columns: 1fr; }
    .toolbar { flex-direction: column; }
    .search-box { min-width: 0; }
    .page-title { font-size: 20px; }
    .agenda-cell { min-height: 64px; padding: 4px; }
    .agenda-chip { font-size: 10px; padding: 1px 4px; }
    .agenda-day-num { font-size: 12px; }
    .agenda-weekdays span { font-size: 10px; }
    .day-event { flex-wrap: wrap; }
    .day-event-actions { width: 100%; justify-content: flex-end; }
}