/* Variables */
:root {
    --primary: #1a56db;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --secondary: #6b7280;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;

    --bg: #f3f4f6;
    --bg-card: #ffffff;
    --bg-hover: #f9fafb;
    --text: #1f2937;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Couleurs shifts */
    --shift-jour: #dbeafe;
    --shift-jour-text: #1e40af;
    --shift-nuit: #ede9fe;
    --shift-nuit-text: #5b21b6;
    --shift-repos: #f3f4f6;
    --shift-repos-text: #6b7280;
    --shift-conge: #fef3c7;
    --shift-conge-text: #92400e;
    --shift-absent: #fee2e2;
    --shift-absent-text: #991b1b;
    --shift-formation: #d1fae5;
    --shift-formation-text: #065f46;
    --shift-ferie: #fce7f3;
    --shift-ferie-text: #9d174d;
    --shift-restauration: #ffedd5;
    --shift-restauration-text: #9a3412;
    --shift-entretien: #cffafe;
    --shift-entretien-text: #0e7490;
}

/* Dark mode */
[data-theme="dark"] {
    --bg: #111827;
    --bg-card: #1f2937;
    --bg-hover: #374151;
    --text: #f9fafb;
    --text-light: #d1d5db;
    --text-muted: #9ca3af;
    --border: #374151;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);

    --shift-jour: #1e3a5f;
    --shift-jour-text: #93c5fd;
    --shift-nuit: #2e1065;
    --shift-nuit-text: #c4b5fd;
    --shift-repos: #374151;
    --shift-repos-text: #9ca3af;
    --shift-conge: #451a03;
    --shift-conge-text: #fcd34d;
    --shift-absent: #450a0a;
    --shift-absent-text: #fca5a5;
    --shift-formation: #064e3b;
    --shift-formation-text: #6ee7b7;
    --shift-ferie: #500724;
    --shift-ferie-text: #f9a8d4;
    --shift-restauration: #431407;
    --shift-restauration-text: #fdba74;
    --shift-entretien: #083344;
    --shift-entretien-text: #67e8f9;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

/* Back button */
.back-home {
    position: fixed;
    top: 1rem;
    left: 1rem;
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.875rem;
    z-index: 100;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

.back-home:hover {
    color: var(--primary);
    transform: translateX(-2px);
}

/* App container */
.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem;
    padding-top: 4rem;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.header-top h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-light);
}

.header-controls {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: var(--bg);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.btn-icon:hover {
    background: var(--primary);
    transform: scale(1.05);
}

.btn-icon:hover span {
    filter: brightness(10);
}

/* Month navigation */
.month-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.nav-btn {
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: var(--bg);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text);
    transition: all 0.2s;
}

.nav-btn:hover {
    background: var(--primary);
    color: white;
}

.month-display {
    text-align: center;
    min-width: 150px;
}

.month-name {
    font-size: 1.25rem;
    font-weight: 600;
    display: block;
}

.year {
    font-size: 0.875rem;
    color: var(--text-light);
}

.btn-today {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg-card);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text);
    transition: all 0.2s;
}

.btn-today:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Filters bar */
.filters-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.875rem;
    color: var(--text-light);
    white-space: nowrap;
}

.filter-group select,
.filter-group input {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background: var(--bg);
    color: var(--text);
    min-width: 150px;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.view-toggle {
    display: flex;
    background: var(--bg);
    border-radius: 0.5rem;
    overflow: hidden;
}

.view-btn {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-light);
    transition: all 0.2s;
}

.view-btn.active {
    background: var(--primary);
    color: white;
}

/* Quick stats */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-card {
    background: var(--bg-card);
    padding: 1rem;
    border-radius: 0.75rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Planning container */
.planning-wrapper {
    overflow-x: auto;
    border-radius: 1rem;
    box-shadow: var(--shadow);
}

.planning-container {
    background: var(--bg-card);
    min-width: max-content;
}

.planning-header {
    display: grid;
    grid-template-columns: 220px repeat(var(--days, 31), 55px);
    background: var(--primary);
    color: white;
    position: sticky;
    top: 0;
    z-index: 10;
}

.employee-header {
    padding: 0.75rem 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky;
    left: 0;
    background: var(--primary);
    z-index: 11;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.day-header {
    padding: 0.5rem 0.25rem;
    text-align: center;
    font-size: 0.75rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.day-header .day-num {
    font-weight: 600;
    font-size: 0.9rem;
    display: block;
}

.day-header .day-name {
    font-size: 0.65rem;
    opacity: 0.8;
    text-transform: uppercase;
}

.day-header.weekend {
    background: rgba(0, 0, 0, 0.2);
}

.day-header.today {
    background: var(--warning);
}

.day-header.ferie {
    background: var(--danger);
}

/* Planning body */
.planning-body {
    max-height: calc(100vh - 380px);
    overflow-y: auto;
    min-height: 400px;
}

.category-group {
    border-bottom: 2px solid var(--border);
}

.category-header {
    display: grid;
    grid-template-columns: 200px 1fr;
    background: var(--bg);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.5rem 0.75rem;
    color: var(--primary);
    position: sticky;
    left: 0;
    cursor: pointer;
}

.category-header:hover {
    background: var(--bg-hover);
}

.category-header .toggle-icon {
    margin-right: 0.5rem;
    transition: transform 0.2s;
}

.category-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.employee-row {
    display: grid;
    grid-template-columns: 220px repeat(var(--days, 31), 55px);
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}

.employee-row:hover {
    background: var(--bg-hover);
}

.employee-row.hidden {
    display: none;
}

.employee-name {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    border-right: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: sticky;
    left: 0;
    background: var(--bg-card);
    z-index: 5;
    cursor: pointer;
    min-width: 220px;
}

.employee-row:hover .employee-name {
    background: var(--bg-hover);
}

.employee-avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    flex-shrink: 0;
}

.employee-type-badge {
    font-size: 0.6rem;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    margin-left: auto;
    font-weight: 500;
}

.employee-type-badge.vacataire {
    background: #fef3c7;
    color: #92400e;
}

.employee-type-badge.interimaire {
    background: #dbeafe;
    color: #1e40af;
}

/* Shift cells */
.shift-cell {
    padding: 0.25rem;
    text-align: center;
    font-size: 0.75rem;
    font-weight: 500;
    border-right: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    width: 55px;
}

.shift-cell:hover {
    transform: scale(1.1);
    z-index: 5;
    box-shadow: var(--shadow-lg);
}

.shift-cell.weekend {
    background: var(--shift-repos);
}

/* Shift types */
.shift-cell.jour {
    background: var(--shift-jour);
    color: var(--shift-jour-text);
}

.shift-cell.nuit {
    background: var(--shift-nuit);
    color: var(--shift-nuit-text);
}

.shift-cell.repos {
    background: var(--shift-repos);
    color: var(--shift-repos-text);
}

.shift-cell.conge {
    background: var(--shift-conge);
    color: var(--shift-conge-text);
}

.shift-cell.absent {
    background: var(--shift-absent);
    color: var(--shift-absent-text);
}

.shift-cell.formation {
    background: var(--shift-formation);
    color: var(--shift-formation-text);
}

.shift-cell.ferie {
    background: var(--shift-ferie);
    color: var(--shift-ferie-text);
}

.shift-cell.restauration {
    background: var(--shift-restauration);
    color: var(--shift-restauration-text);
}

.shift-cell.entretien {
    background: var(--shift-entretien);
    color: var(--shift-entretien-text);
}

.shift-cell.present {
    background: var(--shift-formation);
    color: var(--shift-formation-text);
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 1.5rem;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    border: none;
    background: var(--bg);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--danger);
    color: white;
}

.modal-content h2 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* Legend modal */
.legend-sections {
    display: grid;
    gap: 1.5rem;
}

.legend-section h3 {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
}

.legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border-radius: 0.5rem;
    font-size: 0.8rem;
}

.legend-item .code {
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    min-width: 3rem;
    text-align: center;
}

.legend-item .desc {
    color: var(--text-light);
}

/* Employee modal */
.employee-detail .employee-category {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.employee-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.emp-stat {
    text-align: center;
    padding: 1rem;
    background: var(--bg);
    border-radius: 0.75rem;
}

.emp-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.emp-stat-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

.employee-calendar {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.mini-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    border-radius: 0.25rem;
    background: var(--bg);
}

/* Edit modal */
.edit-shift #edit-info {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.shift-options {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.shift-category h4 {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.shift-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.shift-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s;
}

.shift-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.edit-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
}

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

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Add employee button */
.btn-add-employee {
    padding: 0.5rem 1rem;
    background: var(--success);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.btn-add-employee:hover {
    background: #059669;
    transform: translateY(-1px);
}

/* Add employee modal */
.add-employee-form {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

.form-group input,
.form-group select {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.9rem;
    background: var(--bg);
    color: var(--text);
    transition: all 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

.form-actions .btn {
    padding: 0.75rem 1.5rem;
}

/* Employee delete button */
.employee-delete {
    opacity: 0;
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.employee-row:hover .employee-delete {
    opacity: 1;
}

.employee-delete:hover {
    transform: scale(1.2);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--text);
    color: var(--bg);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    opacity: 0;
    transition: all 0.3s;
    z-index: 2000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* Responsive */
@media (max-width: 1024px) {
    .app-container {
        padding: 0.5rem;
        padding-top: 3.5rem;
    }

    .app-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .filters-bar {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
        justify-content: space-between;
    }

    .filter-group select,
    .filter-group input {
        flex: 1;
    }

    .planning-header {
        grid-template-columns: 150px repeat(var(--days, 31), minmax(35px, 1fr));
    }

    .employee-row {
        grid-template-columns: 150px repeat(var(--days, 31), minmax(35px, 1fr));
    }

    .employee-name {
        padding: 0.25rem 0.5rem;
        font-size: 0.7rem;
    }

    .employee-avatar {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.5rem;
    }

    .shift-cell {
        font-size: 0.6rem;
        min-height: 2rem;
    }
}

@media (max-width: 640px) {
    .back-home {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }

    .planning-header,
    .employee-row {
        grid-template-columns: 120px repeat(var(--days, 31), minmax(30px, 1fr));
    }

    .quick-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .employee-stats {
        grid-template-columns: 1fr;
    }
}

/* Scrollbar styling */
.planning-body::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.planning-body::-webkit-scrollbar-track {
    background: var(--bg);
}

.planning-body::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

.planning-body::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Staffing control */
.staffing-control {
    background: linear-gradient(to bottom, #f0f9ff, #e0f2fe);
    border-top: 3px solid var(--primary);
}

[data-theme="dark"] .staffing-control {
    background: linear-gradient(to bottom, #1e3a5f, #172554);
}

.staffing-header {
    background: var(--primary) !important;
    color: white !important;
}

.staffing-header:hover {
    background: var(--primary-dark) !important;
}

.staffing-row {
    background: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .staffing-row {
    background: rgba(0, 0, 0, 0.2);
}

.staffing-label {
    font-weight: 500;
    gap: 0.5rem;
    cursor: default;
}

.staffing-icon {
    font-size: 1.1rem;
}

.staffing-required {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-left: auto;
}

.staffing-cell {
    font-weight: 600;
    cursor: default;
}

.staffing-cell:hover {
    transform: none;
    box-shadow: none;
}

/* Staffing status colors */
.staffing-ok {
    background: #d1fae5 !important;
    color: #065f46 !important;
}

.staffing-warning {
    background: #fef3c7 !important;
    color: #92400e !important;
}

.staffing-critical {
    background: #fee2e2 !important;
    color: #991b1b !important;
    animation: pulse-critical 2s infinite;
}

@keyframes pulse-critical {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

[data-theme="dark"] .staffing-ok {
    background: #064e3b !important;
    color: #6ee7b7 !important;
}

[data-theme="dark"] .staffing-warning {
    background: #451a03 !important;
    color: #fcd34d !important;
}

[data-theme="dark"] .staffing-critical {
    background: #450a0a !important;
    color: #fca5a5 !important;
}

/* Print styles */
@media print {
    .back-home,
    .header-controls,
    .filters-bar,
    .quick-stats,
    .btn-today {
        display: none !important;
    }

    .planning-container {
        box-shadow: none;
        border: 1px solid #000;
    }

    .planning-body {
        max-height: none;
        overflow: visible;
    }
}