/* ============================================
   MIDADICARD — FEUILLE DE STYLE PRINCIPALE
   ============================================ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #64748b;
    --success: #16a34a;
    --success-light: #dcfce7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --purple: #7c3aed;
    --purple-light: #ede9fe;
    --teal: #0d9488;
    --teal-light: #ccfbf1;
    --orange: #ea580c;
    --orange-light: #ffedd5;
    --bg: #f1f5f9;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --sidebar-bg: #1e293b;
    --sidebar-text: #cbd5e1;
    --sidebar-active: #2563eb;
    --sidebar-hover: #334155;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 10px;
    --radius-lg: 14px;
    --sidebar-width: 240px;
    --topbar-height: 60px;
    --transition: all 0.25s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============ SIDEBAR ============ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 1000;
    transition: var(--transition);
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 16px;
    border-bottom: 1px solid #334155;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.logo i {
    color: var(--primary);
    font-size: 22px;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--sidebar-text);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
    display: none;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.nav-item.active {
    background: rgba(37, 99, 235, 0.15);
    color: #fff;
    border-left-color: var(--primary);
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid #334155;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.btn-export, .btn-import {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 8px;
    border: 1px solid #475569;
    background: transparent;
    color: var(--sidebar-text);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.btn-export:hover { background: #16a34a; border-color: #16a34a; color: #fff; }
.btn-import:hover { background: #0d9488; border-color: #0d9488; color: #fff; }

/* ============ MAIN WRAPPER ============ */
.main-wrapper {
    margin-left: var(--sidebar-width);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: var(--transition);
}

/* ============ TOPBAR ============ */
.topbar {
    height: var(--topbar-height);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    flex: 1;
}

.save-status {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--success);
    font-size: 13px;
    font-weight: 500;
}

/* ============ CONTENT ============ */
.content {
    flex: 1;
    padding: 24px;
}

.page { display: none; }
.page.active { display: block; }

/* ============ PAGE ACTIONS ============ */
.page-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.page-actions .search-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0 12px;
    flex: 1;
    min-width: 200px;
    box-shadow: var(--shadow);
}

.page-actions .search-bar i { color: var(--text-muted); }
.page-actions .search-bar input {
    border: none;
    outline: none;
    padding: 10px 0;
    width: 100%;
    font-size: 14px;
    background: transparent;
}

.page-actions select {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.planning-info {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    flex: 1;
}

/* ============ KPI CARDS ============ */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    border-left: 4px solid transparent;
    transition: var(--transition);
}

.kpi-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.kpi-card.blue { border-left-color: var(--primary); }
.kpi-card.green { border-left-color: var(--success); }
.kpi-card.orange { border-left-color: var(--orange); }
.kpi-card.red { border-left-color: var(--danger); }
.kpi-card.purple { border-left-color: var(--purple); }
.kpi-card.teal { border-left-color: var(--teal); }

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.kpi-card.blue .kpi-icon { background: var(--primary-light); color: var(--primary); }
.kpi-card.green .kpi-icon { background: var(--success-light); color: var(--success); }
.kpi-card.orange .kpi-icon { background: var(--orange-light); color: var(--orange); }
.kpi-card.red .kpi-icon { background: var(--danger-light); color: var(--danger); }
.kpi-card.purple .kpi-icon { background: var(--purple-light); color: var(--purple); }
.kpi-card.teal .kpi-icon { background: var(--teal-light); color: var(--teal); }

.kpi-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
    margin-bottom: 4px;
}

.kpi-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ============ CARDS ============ */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-header h3 i { color: var(--primary); }

.card-body {
    padding: 20px;
}

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

.mt-20 { margin-top: 20px; }

/* ============ TABLE ============ */
.table-responsive { overflow-x: auto; }

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    background: #f8fafc;
    padding: 12px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tbody tr:hover { background: #f8fafc; }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ============ BADGES ============ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-critique { background: #fee2e2; color: #dc2626; }
.badge-haute { background: #ffedd5; color: #ea580c; }
.badge-normale { background: #dbeafe; color: #1d4ed8; }
.badge-basse { background: #f0fdf4; color: #16a34a; }

.badge-attente { background: #fef3c7; color: #d97706; }
.badge-production { background: #dbeafe; color: #2563eb; }
.badge-pret { background: #dcfce7; color: #16a34a; }
.badge-livre { background: #f3f4f6; color: #374151; }

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 18px;
    border-radius: 8px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }

.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { opacity: 0.9; }

.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}

.btn-icon.edit { background: var(--primary-light); color: var(--primary); }
.btn-icon.edit:hover { background: var(--primary); color: #fff; }
.btn-icon.delete { background: var(--danger-light); color: var(--danger); }
.btn-icon.delete:hover { background: var(--danger); color: #fff; }

.actions-cell { display: flex; gap: 6px; }

/* ============ MODALS ============ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 16px;
}

.modal-overlay.open { display: flex; }

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalIn 0.2s ease;
}

.modal-lg { max-width: 760px; }
.modal-sm { max-width: 400px; }

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.modal-header h2 i { color: var(--primary); }

.modal-close {
    background: none;
    border: none;
    font-size: 18px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    border-radius: 6px;
    transition: var(--transition);
}
.modal-close:hover { background: var(--bg); color: var(--danger); }

.modal-body { padding: 24px; }
.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* ============ FORM ============ */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text); }

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text);
    background: var(--surface);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.readonly-field { background: #f8fafc !important; color: var(--text-muted); }

/* ============ PLANNING ============ */
.planning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.planning-day {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.planning-day-header {
    padding: 14px 18px;
    font-weight: 700;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.planning-day-header.today { background: var(--primary); color: #fff; }
.planning-day-header.past { background: #f1f5f9; color: var(--text-muted); }
.planning-day-header.future { background: #f8fafc; color: var(--text); }
.planning-day-header.critique { background: #fee2e2; color: #dc2626; }

.planning-slots {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-height: 80px;
}

.planning-slot {
    background: var(--bg);
    border-radius: 8px;
    padding: 10px 14px;
    border-left: 3px solid var(--primary);
}

.planning-slot.critique { border-left-color: var(--danger); background: #fff5f5; }
.planning-slot.haute { border-left-color: var(--orange); background: #fffbeb; }
.planning-slot.normale { border-left-color: var(--primary); background: #eff6ff; }
.planning-slot.basse { border-left-color: var(--success); background: #f0fdf4; }

.planning-slot-title { font-weight: 600; font-size: 13px; margin-bottom: 2px; }
.planning-slot-sub { font-size: 12px; color: var(--text-muted); }
.planning-slot-badge { float: right; }

.planning-empty {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    padding: 20px;
}

/* ============ URGENT LIST ============ */
.urgent-list { display: flex; flex-direction: column; gap: 10px; }

.urgent-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 8px;
    background: var(--bg);
    border-left: 4px solid var(--danger);
}

.urgent-item.haute { border-left-color: var(--orange); }
.urgent-item.normale { border-left-color: var(--primary); }

.urgent-item-info { flex: 1; }
.urgent-item-title { font-weight: 600; font-size: 14px; }
.urgent-item-sub { font-size: 12px; color: var(--text-muted); }
.urgent-item-date { font-size: 12px; color: var(--danger); font-weight: 600; }

/* ============ TOAST ============ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--text);
    color: #fff;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease;
    min-width: 280px;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--primary); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============ EMPTY STATE ============ */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
}
.empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }
.empty-state p { font-size: 15px; }

/* ============ AMOUNT CELLS ============ */
.amount-positive { color: var(--success); font-weight: 600; }
.amount-negative { color: var(--danger); font-weight: 600; }
.amount-neutral { color: var(--text-muted); }

/* ============ FILTERS ============ */
.filters { display: flex; gap: 8px; flex-wrap: wrap; }

/* ============ RESPONSIVE ============ */
@media (max-width: 900px) {
    .charts-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-full { grid-column: 1; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
    }

    .sidebar-toggle { display: block; }
    .mobile-toggle { display: block; }

    .main-wrapper { margin-left: 0; }

    .content { padding: 16px; }

    .kpi-grid { grid-template-columns: 1fr 1fr; }

    .page-actions { flex-direction: column; align-items: stretch; }
    .page-actions .search-bar { min-width: unset; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .planning-grid { grid-template-columns: 1fr; }
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ============ SELECTION ============ */
::selection { background: var(--primary-light); color: var(--primary-dark); }