/* SecureBank - Professional CSS */

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

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: 1200px;
    margin: 0 auto;
    min-height: 100vh;
    background: white;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

/* Header */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 25px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bank-logo h1 {
    font-size: 2.5em;
    margin-bottom: 5px;
}

.tagline {
    font-size: 1em;
    opacity: 0.9;
    font-style: italic;
}

.user-info {
    margin-top: 15px;
    font-size: 1.1em;
}

.logout-btn {
    background: #e74c3c;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    text-decoration: none;
    margin-left: 10px;
    font-size: 0.9em;
}

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

/* Main content */
.main {
    padding: 30px;
}

/* Welcome page */
.welcome-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin: 40px 0;
}

.welcome-content h2 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2.2em;
}

.welcome-text {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 30px;
    color: #555;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border-left: 4px solid #3498db;
}

.feature h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

/* Info sidebar */
.info-sidebar {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
}

.contact-info,
.security-notice {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.contact-info h4,
.security-notice h4 {
    color: #2c3e50;
    margin-bottom: 15px;
}

/* Action section */
.action-section {
    text-align: center;
    margin: 40px 0;
}

.action-section h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.action-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1em;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: #95a5a6;
    color: white;
}

.btn-secondary:hover {
    background: #7f8c8d;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid #3498db;
    color: #3498db;
}

.btn-outline:hover {
    background: #3498db;
    color: white;
}

/* Demo users */
.demo-users {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin: 30px 0;
}

.demo-users h3 {
    margin-bottom: 15px;
    color: #2c3e50;
}

.user-list {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.demo-user {
    background: white;
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.demo-user code {
    background: #e8f4f8;
    color: #2980b9;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

/* Wireshark info */
.wireshark-info {
    background: #e8f5e8;
    border: 2px solid #27ae60;
    padding: 20px;
    border-radius: 10px;
    margin: 30px 0;
}

.wireshark-info h3 {
    color: #27ae60;
    margin-bottom: 15px;
}

.wireshark-info ol {
    margin-left: 20px;
}

.wireshark-info li {
    margin: 8px 0;
}

.wireshark-info code {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

/* Form styling */
.form-container {
    max-width: 600px;
    margin: 0 auto;
}

.form-container h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    text-align: center;
    font-size: 2em;
}

.form-subtitle {
    text-align: center;
    color: #7f8c8d;
    margin-bottom: 30px;
    font-size: 1.1em;
}

/* Dashboard specific styles */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.action-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.action-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.3em;
}

.action-card p {
    color: #7f8c8d;
    margin-bottom: 20px;
}

/* User info grid */
.user-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid #ecf0f1;
}

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

/* Accounts grid */
.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.account-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.account-status {
    background: #27ae60;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
}

.account-balance {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 15px 0;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.balance-amount {
    font-size: 1.5em;
    font-weight: bold;
    color: #27ae60;
}

.account-actions {
    display: flex;
    gap: 10px;
}

/* Transactions */
.transaction-list {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
}

.transaction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #e9ecef;
}

.transaction-item:last-child {
    border-bottom: none;
}

.transaction-desc {
    font-weight: bold;
    color: #2c3e50;
}

.transaction-date {
    font-size: 0.9em;
    color: #7f8c8d;
}

.transaction-amount.positive {
    color: #27ae60;
    font-weight: bold;
}

.transaction-amount.negative {
    color: #e74c3c;
    font-weight: bold;
}

/* Notifications */
.notification-item {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: #e8f4f8;
    border-radius: 10px;
    border-left: 4px solid #3498db;
    margin: 20px 0;
}

.notification-icon {
    font-size: 1.5em;
}

.notification-content strong {
    color: #2c3e50;
    margin-bottom: 8px;
    display: block;
}

/* Demo accounts */
.demo-accounts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}

.demo-account {
    background: #e8f4f8;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #3498db;
}

.demo-credential {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

/* Security tips and info */
.security-tips {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.security-tips h3 {
    color: #856404;
    margin-bottom: 15px;
}

.security-tips ul {
    margin-left: 20px;
}

.security-tips li {
    margin: 8px 0;
    color: #856404;
}

.security-info {
    background: #e8f5e8;
    border: 2px solid #27ae60;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.security-info h3 {
    color: #27ae60;
    margin-bottom: 15px;
}

.security-info ul {
    margin-left: 20px;
}

.security-info li {
    margin: 8px 0;
}

/* Checkbox styling */
.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 10px 0;
}

.checkbox-container input[type="checkbox"] {
    margin-right: 10px;
}

.terms-section {
    margin: 20px 0;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

.forgot-password {
    color: #3498db;
    text-decoration: none;
    font-size: 0.9em;
}

.forgot-password:hover {
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: bold;
}

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

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

/* Security warnings */
.security-warning {
    background: #fff3cd;
    border: 2px solid #ffc107;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.security-warning.critical {
    background: #f8d7da;
    border-color: #e74c3c;
    color: #721c24;
}

.security-warning h3 {
    margin-bottom: 10px;
    color: inherit;
}

.packet-info {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 15px;
    border-radius: 5px;
    margin-top: 15px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.packet-info code {
    display: block;
    white-space: pre-line;
}

/* Auth form */
.auth-form {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    margin: 20px 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #2c3e50;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1em;
}

.form-group input:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
}

.form-help {
    display: block;
    margin-top: 5px;
    color: #e74c3c;
    font-size: 0.9em;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
}

.form-footer p {
    margin: 10px 0;
}

.form-footer a {
    color: #3498db;
    text-decoration: none;
}

.form-footer a:hover {
    text-decoration: underline;
}

/* Demo credentials */
.demo-credentials {
    background: #e8f4f8;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.demo-credentials h3 {
    margin-bottom: 15px;
    color: #2980b9;
}

.cred-box {
    background: white;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    border-left: 4px solid #3498db;
}

.cred-box code {
    background: #e8f4f8;
    color: #2980b9;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

/* Wireshark instructions */
.wireshark-instructions {
    background: #f0f8ff;
    border: 2px solid #5dade2;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.wireshark-instructions h3 {
    color: #2980b9;
    margin-bottom: 15px;
}

.wireshark-instructions ol {
    margin-left: 20px;
}

.wireshark-instructions code {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
}

.wireshark-tip {
    background: #fff9c4;
    border: 2px solid #f39c12;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
}

.wireshark-tip h3 {
    color: #f39c12;
    margin-bottom: 10px;
}

/* Dashboard */
.dashboard-container h2 {
    color: #2c3e50;
    margin-bottom: 25px;
    text-align: center;
}

.success-message {
    background: #d4edda;
    border: 2px solid #27ae60;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 25px;
}

.success-message h3 {
    color: #27ae60;
    margin-bottom: 10px;
}

/* User details */
.user-details {
    margin: 30px 0;
}

.user-details h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.user-card {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.user-card p {
    margin: 8px 0;
}

.password-display {
    background: #ffebee;
    color: #e74c3c;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-weight: bold;
}

/* Accounts */
.accounts {
    margin: 30px 0;
}

.accounts h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.account-card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    margin: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.account-card h4 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.account-number {
    color: #7f8c8d;
    font-family: 'Courier New', monospace;
}

.account-balance {
    font-size: 1.2em;
    margin-top: 10px;
}

.account-balance strong {
    color: #27ae60;
}

/* Security analysis */
.security-analysis {
    margin: 30px 0;
}

.security-analysis h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.analysis-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.point {
    padding: 20px;
    border-radius: 10px;
}

.point:first-child {
    background: #ffebee;
    border: 2px solid #e74c3c;
}

.point:last-child {
    background: #e8f5e8;
    border: 2px solid #27ae60;
}

.point h4 {
    margin-bottom: 15px;
}

.point ul {
    margin-left: 20px;
}

.point li {
    margin: 8px 0;
}

/* Demo actions */
.demo-actions {
    margin: 30px 0;
    text-align: center;
}

.demo-actions h3 {
    color: #2c3e50;
    margin-bottom: 20px;
}

.action-list {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* HTTPS info */
.https-info {
    background: #e8f5e8;
    border: 2px solid #27ae60;
    padding: 20px;
    border-radius: 10px;
    margin: 30px 0;
}

.https-info h3 {
    color: #27ae60;
    margin-bottom: 15px;
}

.https-info code {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 4px 8px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    display: inline-block;
    margin: 5px 0;
}

.btn-outline:hover {
    background: #3498db;
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9em;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 25px;
    margin-top: auto;
}

.footer-content p {
    margin: 8px 0;
}

.footer-content a {
    color: #3498db;
    text-decoration: none;
}

.footer-content a:hover {
    text-decoration: underline;
}

.license {
    font-size: 0.9em;
    opacity: 0.8;
}

/* Responsive design */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .welcome-section {
        grid-template-columns: 1fr;
    }
    
    .features,
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .action-buttons,
    .action-list {
        flex-direction: column;
        align-items: center;
    }
    
    .user-list,
    .demo-accounts {
        grid-template-columns: 1fr;
    }
    
    .analysis-points,
    .protocol-info {
        grid-template-columns: 1fr;
    }
    
    .main {
        padding: 20px;
    }
    
    .accounts-grid {
        grid-template-columns: 1fr;
    }
    
    .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2em;
    }
    
    .demo-notice {
        display: block;
        margin-top: 10px;
    }
}