:root {

    --primary: #1a5f7a;

    --secondary: #d18d4a;

    --light: #f9f9f9;

    --dark: #333;

    --gray: #666;

    --light-gray: #e9e9e9;

    --success: #28a745;

    --danger: #dc3545;

    --warning: #ffc107;

}



* {

    margin: 0;

    padding: 0;

    box-sizing: border-box;

}



body {

    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    line-height: 1.6;

    color: var(--dark);

    background-color: var(--light);

}



a {

    color: var(--primary);

    text-decoration: none;

    transition: color 0.3s;

}



a:hover {

    color: var(--secondary);

}



.btn {

    display: inline-block;

    padding: 10px 20px;

    border-radius: 5px;

    font-weight: 600;

    cursor: pointer;

    border: none;

    transition: all 0.3s;

}



.btn-primary {

    background-color: var(--secondary);

    color: white;

}



.btn-primary:hover {

    background-color: #c17d3a;

    transform: translateY(-2px);

    box-shadow: 0 5px 15px rgba(209, 141, 74, 0.3);

}



.btn-secondary {

    background-color: transparent;

    color: var(--primary);

    border: 2px solid var(--primary);

}



.btn-secondary:hover {

    background-color: rgba(26, 95, 122, 0.05);

}



.btn-danger {

    background-color: var(--danger);

    color: white;

}



.container {

    max-width: 1200px;

    margin: 0 auto;

    padding: 0 20px;

}



/* Dashboard */

.dashboard-header {

    background: white;

    padding: 20px 0;

    box-shadow: 0 2px 10px rgba(0,0,0,0.1);

    position: sticky;

    top: 0;

    z-index: 100;

}



.header-content {

    display: flex;

    justify-content: space-between;

    align-items: center;

}



.logo {

    font-size: 24px;

    font-weight: 700;

    color: var(--primary);

}



.user-menu {

    display: flex;

    align-items: center;

    gap: 20px;

}



.user-info {

    display: flex;

    align-items: center;

    gap: 10px;

}



.avatar {

    width: 40px;

    height: 40px;

    background: var(--primary);

    color: white;

    border-radius: 50%;

    display: flex;

    align-items: center;

    justify-content: center;

    font-weight: bold;

}



/* Cards */

.card {

    background: white;

    border-radius: 10px;

    padding: 30px;

    box-shadow: 0 5px 15px rgba(0,0,0,0.05);

    margin-bottom: 30px;

}



.card-title {

    font-size: 20px;

    color: var(--primary);

    margin-bottom: 20px;

}



/* Alerts */

.alert {

    padding: 15px;

    border-radius: 5px;

    margin-bottom: 20px;

}



.alert-success {

    background-color: #d4edda;

    color: #155724;

    border: 1px solid #c3e6cb;

}



.alert-error {

    background-color: #f8d7da;

    color: #721c24;

    border: 1px solid #f5c6cb;

}



.alert-warning {

    background-color: #fff3cd;

    color: #856404;

    border: 1px solid #ffeaa7;

}



/* Forms */

.form-group {

    margin-bottom: 20px;

}



.form-label {

    display: block;

    margin-bottom: 5px;

    font-weight: 500;

    color: var(--dark);

}



.form-control {

    width: 100%;

    padding: 12px;

    border: 1px solid var(--light-gray);

    border-radius: 5px;

    font-size: 16px;

    transition: border-color 0.3s;

}



.form-control:focus {

    outline: none;

    border-color: var(--primary);

}



.form-control.error {

    border-color: var(--danger);

}



.form-help {

    font-size: 14px;

    color: var(--gray);

    margin-top: 5px;

}



/* Responsive */

@media (max-width: 768px) {

    .container {

        padding: 0 15px;

    }

    

    .header-content {

        flex-direction: column;

        gap: 15px;

    }

    

    .card {

        padding: 20px;

    }

}



/* Utility */

.text-center {

    text-align: center;

}



.mt-1 { margin-top: 10px; }

.mt-2 { margin-top: 20px; }

.mt-3 { margin-top: 30px; }

.mb-1 { margin-bottom: 10px; }

.mb-2 { margin-bottom: 20px; }

.mb-3 { margin-bottom: 30px; }