/* Main CSS for InfosEcole - Sprint 1 Base */

:root {
    /* Colors */
    --primary-blue: #007bff;
    --success-green: #28a745;
    --warning-yellow: #ffc107;
    --danger-red: #dc3545;
    --info-cyan: #17a2b8;
    
    /* Sidebar */
    --sidebar-bg: #2c5282;
    --sidebar-hover: #3d6ca7;
    --sidebar-active: #ffc107;
    
    /* Backgrounds */
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    
    /* Text */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    /* Spacing */
    --sidebar-width: 250px;
    --topbar-height: 60px;
}

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

body {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-light);
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h3 {
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.sidebar ul {
    padding: 20px 0;
    margin: 0;
}

.sidebar ul li {
    list-style: none;
}

.sidebar ul li a {
    display: block;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar ul li a i {
    margin-right: 10px;
    width: 20px;
}

.sidebar ul li a:hover {
    background-color: var(--sidebar-hover);
    color: white;
}

.sidebar ul li.active a {
    background-color: var(--sidebar-active);
    color: var(--sidebar-bg);
    font-weight: 600;
}

.sidebar-footer {
    position: absolute;
    bottom: 20px;
    width: 100%;
    padding: 0 20px;
}

/* Topbar */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--topbar-height);
    background: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 0 20px;
    display: flex;
    align-items: center;
    z-index: 999;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    padding: 20px;
    min-height: calc(100vh - var(--topbar-height));
}

/* Cards */
.card {
    border-radius: 12px;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.card-header {
    background-color: var(--bg-white);
    border-bottom: 1px solid #e9ecef;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        left: calc(-1 * var(--sidebar-width));
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .topbar {
        left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
}

/* Utilities */
.text-primary { color: var(--primary-blue) !important; }
.text-success { color: var(--success-green) !important; }
.text-warning { color: var(--warning-yellow) !important; }
.text-danger { color: var(--danger-red) !important; }
.text-info { color: var(--info-cyan) !important; }

.bg-primary, .bg-delivered { background-color: var(--primary-blue) !important; }
.bg-success, .bg-sent { background-color: var(--success-green) !important; }
.bg-warning, .bg-pending { background-color: var(--warning-yellow) !important; }
.bg-danger, .bg-failed { background-color: var(--danger-red) !important; }
.bg-info, .bg-opened { background-color: var(--info-cyan) !important; }