/* --- VARIABLES & RESET --- */
:root {
    --font-family: 'Inter', sans-serif;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --warning-500: #f97316;
    --warning-600: #ea580c;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(170deg, #dbeafe 0%, #e0f2fe 100%);
    color: var(--gray-700);
    margin: 0;
    padding: 0;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
p {
    margin: 0;
}

/* --- LAYOUT --- */
.app-container {
    display: flex;
    min-height: 100vh;
    background-color: transparent;
}

/* --- SIDEBAR --- */
.sidebar {
    width: 320px;
    flex-shrink: 0;
    background-color: #fbfaff;
    /* Slightly off-white */
    border-right: 1px solid var(--gray-200);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    overflow-y: auto;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.05);
}

.sidebar-header .app-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.sidebar-section hr {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 0.5rem 0;
}

/* --- MAIN CONTENT --- */
.main-content {
    flex-grow: 1;
    padding: 2rem;
    overflow-y: auto;
    max-width: 1600px;
}

.main-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray-200);
}

#mainTitle {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

/* --- STATS SECTION --- */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.stat-card,
.coverage-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    border-radius: 0.625rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-label {
    font-size: 0.75rem;
    opacity: 0.9;
    margin-bottom: 0.25rem;
    font-weight: 500;
}

.stat-value {
    font-size: 1.375rem;
    font-weight: 700;
}

.coverage-card {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, var(--gray-700) 0%, var(--gray-800) 100%);
}

/* --- BINOMES IN SIDEBAR --- */
#binomeGrid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.binome-card {
    background-color: #eef2ff;
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    padding: 0.875rem;
    transition: all 0.2s;
}

.binome-card:hover {
    background-color: #e0e7ff;
    box-shadow: var(--shadow);
}

.binome-header {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-500);
    margin-bottom: 0.625rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.binome-member {
    font-size: 0.875rem;
    color: var(--gray-700);
    padding: 0.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* --- LEGEND IN SIDEBAR --- */
.legend .legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--gray-600);
    margin-bottom: 0.625rem;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 0.25rem;
    flex-shrink: 0;
    border: 1px solid var(--gray-300);
}

.legend-color.weekend {
    background-color: var(--gray-50);
}

.legend-color.holiday {
    background-color: #fffbeb;
    border-color: #fde68a;
}

.legend-color.has-conge {
    background-color: var(--primary-500);
    border-color: var(--primary-500);
}

.legend-color.full {
    background-color: #fef2f2;
    border-color: #fecaca;
}

.conge-type-legend {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* --- FORM CONTROLS --- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

select,
input[type="text"],
input[type="number"],
input[type="password"] {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    background-color: white;
    font-size: 0.875rem;
    color: var(--gray-900);
    box-shadow: var(--shadow);
    transition: all 0.2s;
}

select:focus,
input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* --- MESSAGES --- */
.message {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.message.warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.message.success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

/* --- CALENDAR WRAPPER --- */
.calendar-wrapper {
    background-color: var(--gray-100);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

#calendarTitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    text-align: center;
    margin-bottom: 1.5rem;
}

.calendar-header {
    display: grid;
    grid-template-columns: 50px repeat(7, 1fr);
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--gray-200);
}

.calendar-header .day-name {
    text-align: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

#calendar {
    display: grid;
    grid-template-columns: 50px repeat(7, 1fr);
    gap: 0.5rem;
}

/* --- DAY CELLS --- */
.day-cell {
    position: relative;
    min-height: 140px;
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    padding: 0.625rem;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.day-cell.selectable {
    cursor: pointer;
}

.day-cell.selectable:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px -2px rgba(0, 0, 0, 0.1);
    border-color: var(--gray-300);
    background-color: white;
}

.day-cell.weekend {
    background-color: var(--gray-100);
}

.day-cell.holiday {
    background-color: #fffbeb;
    border-color: #fde68a;
}

.day-cell.full {
    background-color: #fef2f2;
    border-color: #fecaca;
}

.day-cell.has-conge {
    border-left: 5px solid var(--primary-500);
    padding-left: calc(0.625rem - 3px);
}

.day-cell.empty-cell {
    background-color: transparent;
    border: none;
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.day-number {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.availability-badge {
    font-size: 0.7rem;
    padding: 3px 7px;
    border-radius: 99px;
    font-weight: 700;
    color: white;
}

.availability-badge.available {
    background-color: var(--success-500);
}

.availability-badge.full {
    background-color: var(--danger-500);
}

.holiday-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: #d97706;
    text-align: center;
    margin-top: 0.5rem;
}

/* --- CONGES IN CELLS --- */
.conges-list {
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    overflow-y: auto;
    flex-grow: 1;
}

.conge-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.375rem 0.5rem;
    border-radius: 0.375rem;
    background-color: var(--gray-50);
    font-size: 0.75rem;
    border: 1px solid var(--gray-200);
    position: relative;
    transition: all 0.2s;
}

.conge-item:hover {
    background-color: white;
    box-shadow: var(--shadow);
}

.conge-name {
    font-weight: 600;
    color: var(--gray-800);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
}

.conge-type {
    padding: 3px 8px;
    border-radius: 99px;
    font-size: 0.65rem;
    font-weight: 700;
    color: white;
    text-transform: none;
    letter-spacing: 0.025em;
    white-space: normal;
    text-align: center;
    width: 100%;
}

.remove-btn {
    cursor: pointer;
    margin-left: 0.5rem;
    font-weight: bold;
    color: var(--gray-400);
    font-size: 0.875rem;
    position: absolute;
    top: 2px;
    right: 4px;
    transition: all 0.2s;
}

.remove-btn:hover {
    color: var(--danger-500);
    opacity: 1;
    transform: scale(1.2);
}

/* --- CONGE TYPES COLORS --- */
.cp,
.conge-type.cp {
    background-color: #f59e0b;
}

.rtt,
.conge-type.rtt {
    background-color: #3b82f6;
}

.ca,
.conge-type.ca {
    background-color: #10b981;
}

.permanence,
.conge-type.permanence {
    background-color: #8b5cf6;
}

.astreinte-week-end,
.conge-type.astreinte-week-end {
    background-color: #14b8a6;
}

.repos-hebdomadaire,
.conge-type.repos-hebdomadaire {
    background-color: #f97316;
}

/* --- WEEK SELECTOR --- */
.week-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 0.5rem;
    background-color: var(--gray-100);
    color: var(--gray-500);
    transition: all 0.2s;
    border: 2px solid transparent;
}

.week-selector:hover {
    background-color: var(--primary-500);
    color: white;
    transform: scale(1.05);
    border-color: var(--primary-500);
}

.week-selector span {
    font-size: 1.125rem;
}

/* --- ADMIN SECTION --- */
#adminSection {
    background-color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1.5rem;
}

#adminSection h3,
#adminSection h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.admin-login {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.admin-login input {
    flex-grow: 1;
}

.admin-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: #fffbeb;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.admin-welcome {
    font-weight: 600;
    color: #92400e;
}

.tech-name-special-assign {
    background-color: var(--success-500);
    color: white;
    padding: 3px 8px;
    border-radius: 0.25rem;
    font-weight: 600;
    font-size: 0.875rem;
}

/* --- EXPORT SECTION --- */
#exportSection {
    background-color: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

#exportSection h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.export-result {
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    padding: 1rem;
    max-height: 500px;
    overflow-y: auto;
    background-color: var(--gray-50);
    margin-top: 1rem;
}

.export-date {
    font-weight: 700;
    color: var(--gray-800);
    margin-top: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-300);
}

.export-date:first-child {
    margin-top: 0;
}

.export-tech {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem;
    margin-bottom: 0.25rem;
    background-color: white;
    border-radius: 0.375rem;
}

.export-tech-name {
    font-size: 0.875rem;
    color: var(--gray-700);
    font-weight: 500;
}

/* --- BUTTONS --- */
.btn,
.btn-primary,
.btn-secondary,
.btn-success,
.btn-danger,
.btn-admin,
.btn-logout,
.btn-export,
.btn-admin-edit {
    border: none;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.2s;
    box-shadow: var(--shadow);
}

.btn-primary {
    background-color: var(--primary-500);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: white;
    color: var(--gray-700);
    border: 2px solid var(--gray-300);
}

.btn-secondary:hover {
    background-color: var(--gray-50);
    border-color: var(--gray-400);
}

.btn-success {
    background-color: var(--success-500);
    color: white;
}

.btn-success:hover {
    background-color: var(--success-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-danger,
.btn-logout {
    background-color: var(--danger-500);
    color: white;
}

.btn-danger:hover,
.btn-logout:hover {
    background-color: var(--danger-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-admin {
    background-color: var(--warning-500);
    color: white;
}

.btn-admin:hover {
    background-color: var(--warning-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-export {
    background-color: var(--gray-700);
    color: white;
}

.btn-export:hover {
    background-color: var(--gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-admin-edit {
    background-color: var(--primary-500);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-admin-edit:hover {
    background-color: var(--primary-600);
}

/* --- MODALS --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(17, 24, 39, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.modal-overlay.hidden {
    display: none;
}

.modal-content {
    background-color: white;
    border-radius: 0.75rem;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.3), 0 8px 10px -6px rgb(0 0 0 / 0.2);
    overflow: hidden;
    animation: modalSlideIn 0.2s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.alert-modal-content {
    max-width: 450px;
}

.modal-header {
    padding: 1.25rem 1.5rem;
    background-color: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header.success {
    background-color: var(--success-500);
}

.modal-header.warning {
    background-color: var(--warning-500);
}

.modal-header h2,
.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.modal-header.success h2,
.modal-header.success h3,
.modal-header.warning h2,
.modal-header.warning h3 {
    color: white;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 700;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background-color: var(--gray-50);
    border-top: 1px solid var(--gray-200);
}

/* --- UTILITIES --- */
.hidden {
    display: none !important;
}

/* --- RESPONSIVE --- */
@media (max-width: 1200px) {
    .sidebar {
        width: 280px;
    }

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

@media (max-width: 968px) {
    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--gray-200);
    }

    .main-content {
        padding: 1rem;
    }

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

    .calendar-header,
    #calendar {
        grid-template-columns: 40px repeat(7, 1fr);
        font-size: 0.75rem;
    }

    .day-cell {
        min-height: 100px;
        padding: 0.375rem;
    }

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

@media (max-width: 640px) {
    .sidebar {
        padding: 1rem;
    }

    .main-content {
        padding: 0.75rem;
    }

    .calendar-wrapper {
        padding: 1rem;
    }

    .day-cell {
        min-height: 80px;
    }

    .conge-item {
        font-size: 0.7rem;
    }
}