/* Design moderne - Couleurs vives bleu et orange (style BMC Helix) */

:root {
    /* Palette de couleurs vives */
    --primary-blue: #0066CC;
    --primary-orange: #FF6600;
    --dark-blue: #004C99;
    --dark-orange: #E65500;
    --light-blue: #E6F2FF;
    --light-orange: #FFF0E6;
    --white: #FFFFFF;
    --light-gray: #F5F7FA;
    --gray: #E0E4E8;
    --dark-gray: #6B7280;
    --text-dark: #1F2937;
    --success: #0066CC;
    --warning: #FF6600;
    --error: #DC3545;
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light-blue);
    color: var(--text-dark);
    min-height: 100vh;
    line-height: 1.6;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 8px var(--shadow);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    background: var(--light-blue);
    color: var(--primary-blue);
}

.nav-menu a.active {
    background: var(--primary-blue);
    color: var(--white);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-badge {
    background: var(--light-gray);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

.user-badge.admin {
    background: var(--primary-orange);
    color: var(--white);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 12px var(--shadow);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 6px 16px var(--shadow-hover);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--dark-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--dark-gray);
    color: var(--white);
}

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

.btn-warning {
    background: var(--warning);
    color: var(--text-dark);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(168, 197, 224, 0.2);
}

select.form-control {
    cursor: pointer;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

thead {
    background: var(--primary-blue);
    color: var(--white);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--gray);
}

tbody tr:hover {
    background: var(--light-gray);
    transition: background 0.2s ease;
}

/* Filters */
.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    border-left: 4px solid var(--primary-blue);
    transition: all 0.3s ease;
}

.stat-card:nth-child(2) {
    border-left-color: var(--primary-orange);
}

.stat-card:nth-child(3) {
    border-left-color: var(--dark-blue);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 16px var(--shadow-hover);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
}

.login-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 8px 24px var(--shadow);
    width: 100%;
    max-width: 400px;
}

.login-title {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    color: var(--dark-gray);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background: var(--light-blue);
    color: var(--dark-blue);
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #FDEAEA;
    color: #C53030;
    border-left: 4px solid var(--error);
}

.alert-warning {
    background: #FEF3E2;
    color: #975A16;
    border-left: 4px solid var(--warning);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 400px;
    margin: 2rem 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
    }

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

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

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gray);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-a {
    background: var(--primary-blue);
    color: var(--white);
}

/* Footer */
.footer {
    text-align: right;
    padding: 2rem;
    color: var(--dark-gray);
    font-size: 0.85rem;
}

.footer p {
    margin: 0;
}

.badge-b {
    background: var(--primary-orange);
    color: var(--white);
}

.badge-c {
    background: var(--error);
    color: var(--white);
}