/* TN TX App Styles */

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
    color: #2c3e50;
}

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

/* Header Styles */
.dashboard-header {
    background: white;
    border-bottom: 1px solid #dee2e6;
    padding: 15px 20px;
    margin: 0 0 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.dashboard-header h1 {
    margin: 0;
    color: #2c3e50;
    font-size: 24px;
    font-weight: 600;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #3498db;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-align: center;
}

.btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: #3498db;
}

.btn-primary:hover {
    background: #2980b9;
}

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

.btn-secondary:hover {
    background: #5a6268;
}

.btn-success {
    background: #27ae60;
}

.btn-success:hover {
    background: #219a52;
}

.btn-danger {
    background: #e74c3c;
}

.btn-danger:hover {
    background: #c0392b;
}

.btn-small {
    padding: 8px 15px;
    font-size: 13px;
}

.btn-large {
    padding: 15px 30px;
    font-size: 16px;
}

/* Alert Styles */
.alert {
    padding: 15px;
    margin: 15px 0;
    border-radius: 6px;
    border: 1px solid transparent;
    font-weight: 500;
}

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

.alert-error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

/* Form Styles */
.form-group {
    margin: 20px 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-control, 
input[type="text"], 
input[type="email"], 
input[type="password"], 
textarea, 
select {
    width: 100%;
    padding: 12px;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus, 
input:focus, 
textarea:focus, 
select:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* Card Styles */
.card {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    margin: 20px 0;
}

.card-header {
    padding: 15px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    border-radius: 8px 8px 0 0;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 15px 20px;
    background: #f8f9fa;
    border-top: 1px solid #dee2e6;
    border-radius: 0 0 8px 8px;
}

/* Dashboard Styles */
.dashboard {
    background: #f8f9fa;
    min-height: 100vh;
}

.user-info {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.user-info h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 18px;
    font-weight: 600;
}

.user-info p {
    margin: 8px 0;
    color: #6c757d;
}

.user-info strong {
    color: #2c3e50;
}

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

.auth-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #2c3e50;
    font-weight: 600;
}

.auth-card .form-group {
    margin: 25px 0;
}

.auth-card .btn {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: 600;
    margin: 10px 0;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #dee2e6;
}

.auth-links a {
    color: #3498db;
    text-decoration: none;
    font-weight: 500;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Loading Spinner */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .dashboard-header h1 {
        font-size: 20px;
    }
    
    .container {
        padding: 10px;
    }
    
    .user-info {
        margin: 10px 0;
        padding: 15px;
    }
    
    .btn {
        width: 100%;
        margin: 5px 0;
    }
    
    .auth-card {
        padding: 30px 20px;
        margin: 10px;
    }
}

@media (max-width: 480px) {
    .dashboard-header {
        padding: 10px 15px;
    }
    
    .dashboard-header h1 {
        font-size: 18px;
    }
    
    .user-info {
        padding: 12px;
    }
    
    .auth-card {
        padding: 20px 15px;
    }
}