/* assets/style.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
}

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-header h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sidebar-header p {
    font-size: 12px;
    opacity: 0.7;
}

.sidebar-nav {
    padding: 20px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    gap: 12px;
}

.nav-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    padding-left: 30px;
}

.nav-item.active {
    background: rgba(0, 210, 255, 0.2);
    color: #00d4ff;
    border-right: 3px solid #00d4ff;
}

.nav-item.logout {
    margin-top: 30px;
    color: #ff6b6b;
}

.nav-item.logout:hover {
    background: rgba(255,107,107,0.1);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 30px;
}

/* Dashboard Cards */
.dashboard-header {
    margin-bottom: 30px;
}

.dashboard-header h1 {
    font-size: 28px;
    font-weight: 600;
    color: #1a1a2e;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.card h3 {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
    font-weight: 500;
}

.card .value {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a2e;
}

.card .unit {
    font-size: 14px;
    color: #999;
    font-weight: 400;
}

/* Tables */
.table-container {
    background: white;
    border-radius: 16px;
    overflow-x: auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: #1a1a2e;
    border-bottom: 2px solid #e0e0e0;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid #e0e0e0;
    color: #444;
}

tr:hover {
    background: #f8f9fa;
}

/* Forms */
.form-container {
    background: white;
    border-radius: 16px;
    padding: 30px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1a1a2e;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0,212,255,0.1);
}

button, .btn {
    background: linear-gradient(135deg, #00d4ff 0%, #0099cc 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
    text-decoration: none;
    display: inline-block;
}

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

.btn-danger {
    background: linear-gradient(135deg, #ff6b6b 0%, #cc5555 100%);
}

.btn-secondary {
    background: #6c757d;
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* Login Page */
.login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: white;
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #1a1a2e;
}

.login-box p {
    text-align: center;
    color: #666;
    margin-bottom: 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 80px;
    }
    
    .sidebar-header h2, .sidebar-header p, .nav-item span:last-child {
        display: none;
    }
    
    .nav-item {
        justify-content: center;
        padding: 12px;
    }
    
    .main-content {
        margin-left: 80px;
        padding: 20px;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
}

/* Status Badges */
.status-active {
    background: #d4edda;
    color: #155724;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.status-inactive {
    background: #f8d7da;
    color: #721c24;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}

.status-completed {
    background: #d1ecf1;
    color: #0c5460;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
}