/* style.css */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.header h1 {
    color: var(--primary);
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.header h2 {
    color: var(--secondary);
    font-size: 1.3em;
    font-weight: 400;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.card h3 {
    color: var(--primary);
    margin-bottom: 20px;
    font-size: 1.4em;
    border-bottom: 2px solid var(--secondary);
    padding-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card h3 i {
    color: var(--secondary);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e1e8ed;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), #2980b9);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #229954);
    color: white;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(39, 174, 96, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #e67e22);
    color: white;
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.4);
}

.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.results-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.table-responsive {
    overflow-x: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.table th {
    background: linear-gradient(135deg, var(--primary), #34495e);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.table td {
    padding: 12px 15px;
    border-bottom: 1px solid #e1e8ed;
}

.table tr:hover {
    background-color: #f8f9fa;
}

.table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.table tr:nth-child(even):hover {
    background-color: #e9ecef;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-planned {
    background: #d4edda;
    color: #155724;
}

.status-in-progress {
    background: #fff3cd;
    color: #856404;
}

.status-completed {
    background: #d1ecf1;
    color: #0c5460;
}

.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid;
}

.alert-success {
    background: #d4edda;
    border-color: var(--success);
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border-color: var(--danger);
    color: #721c24;
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--secondary);
}

.stat-number {
    font-size: 2em;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    color: var(--gray);
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .card-grid {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 2em;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn {
        justify-content: center;
    }
}