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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
}

/* Login Page Styles */
.login-page {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-container h2 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

input[type="text"],
input[type="password"],
input[type="email"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus {
    outline: none;
    border-color: #667eea;
}

/* Button Styles */
.btn-login,
.btn-primary {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

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

.btn-login:active,
.btn-primary:active {
    transform: translateY(0);
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    padding: 8px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-logout:hover {
    background: white;
    color: #667eea;
}

/* Error/Success Messages */
.error-message {
    background: #fee;
    color: #c33;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}

.success-message {
    background: #efe;
    color: #3c3;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: center;
}

/* Dashboard Styles */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar h1 {
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.username {
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.welcome-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
}

.welcome-card h2 {
    color: #333;
    margin-bottom: 10px;
}

.welcome-card p {
    color: #666;
    line-height: 1.6;
}

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

.dashboard-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s;
    cursor: pointer;
}

.dashboard-card:hover {
    transform: translateY(-5px);
}

.dashboard-card .icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.dashboard-card h3 {
    color: #333;
    margin-bottom: 10px;
}

.dashboard-card p {
    color: #666;
    font-size: 14px;
}

/* Responsive Design */
/* User Management Styles */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.page-header h2 {
    color: #333;
    margin: 0;
}

.btn-primary,
.btn-add {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

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

.btn-edit {
    background: #4CAF50;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    margin-right: 5px;
    display: inline-block;
}

.btn-edit:hover {
    background: #45a049;
}

.btn-delete {
    background: #f44336;
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 14px;
    display: inline-block;
}

.btn-delete:hover {
    background: #da190b;
}

.btn-back {
    background: #666;
    color: white;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
}

.btn-back:hover {
    background: #555;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

table tr:hover {
    background: #f8f9fa;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-admin {
    background: #667eea;
    color: white;
}

.badge-user {
    background: #e0e0e0;
    color: #666;
}

select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-size: 16px;
    background: white;
    cursor: pointer;
}

select:focus {
    outline: none;
    border-color: #667eea;
}

small {
    display: block;
    color: #666;
    margin-top: 5px;
    font-size: 14px;
}

@media (max-width: 768px) {
    .navbar {
        padding: 15px 20px;
    }
    
    .navbar h1 {
        font-size: 20px;
    }
    
    .container {
        margin: 20px auto;
    }
    
    .welcome-card {
        padding: 25px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}