/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Login Screen */
.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.login-card h1 {
    text-align: center;
    color: #667eea;
    margin-bottom: 8px;
    font-size: 32px;
}

.subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 32px;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid #fcc;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
}

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

.btn-primary:hover:not(:disabled) {
    background: #5568d3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-secondary {
    background: #6c757d;
    color: white;
    padding: 8px 16px;
    width: auto;
}

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

.btn-danger {
    background: #dc3545;
    color: white;
    border: none;
}

.btn-danger:hover:not(:disabled) {
    background: #c82333;
}

.btn-danger:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Dashboard Screen */
.dashboard-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-header {
    background: white;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.dashboard-header h1 {
    color: #667eea;
    font-size: 28px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

#welcomeUsername {
    color: #666;
    font-weight: 500;
}

.dashboard-main {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.welcome-section {
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 2px solid #f0f0f0;
}

.welcome-section h2 {
    color: #333;
    margin-bottom: 8px;
    font-size: 24px;
}

.welcome-section p {
    color: #666;
    font-size: 16px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.action-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.action-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.action-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.action-card h3 {
    color: #333;
    margin-bottom: 8px;
    font-size: 20px;
}

.action-card p {
    color: #666;
    font-size: 14px;
    margin-bottom: 16px;
    min-height: 40px;
}

.action-card .btn {
    margin-top: 8px;
}

.coming-soon {
    display: block;
    color: #999;
    font-size: 12px;
    margin-top: 8px;
    font-style: italic;
}

.info-section {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid #f0f0f0;
}

.info-section h3 {
    color: #333;
    margin-bottom: 16px;
    font-size: 20px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
}

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

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

.status-error {
    background: #f8d7da;
    color: #721c24;
}

/* Migration UI */
.actions-section {
    margin-bottom: 32px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h2 {
    color: #333;
    font-size: 24px;
}

.migration-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    border: 2px solid #e0e0e0;
}

.migration-card.active {
    border-color: #667eea;
    background: #f0f4ff;
}

.migration-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
}

.migration-header h3 {
    color: #333;
    margin-bottom: 4px;
    font-size: 20px;
}

.migration-id {
    color: #666;
    font-size: 12px;
    font-family: monospace;
}

.migration-status {
    flex-shrink: 0;
}

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

.progress-section {
    margin-bottom: 20px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 14px;
    color: #666;
}

.progress-bar-container {
    width: 100%;
    height: 24px;
    background: #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
    border-radius: 12px;
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: white;
    border-radius: 8px;
    font-size: 14px;
}

.stat-item strong {
    color: #666;
}

.migration-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.migration-actions .btn {
    width: auto;
    padding: 8px 16px;
}

.migration-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: #666;
    margin-top: 12px;
}

.migrations-list {
    margin-top: 24px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: #666;
    background: #f8f9fa;
    border-radius: 12px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    border-bottom: 2px solid #f0f0f0;
}

.modal-header h2 {
    color: #333;
    font-size: 24px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background 0.2s;
}

.modal-close:hover {
    background: #f0f0f0;
}

.modal-content form {
    padding: 24px;
}

.form-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid #f0f0f0;
}

.form-section h3 {
    color: #333;
    margin-bottom: 16px;
    font-size: 18px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 2px solid #f0f0f0;
}

.modal-actions .btn {
    width: auto;
    min-width: 120px;
}

/* Logs */
.logs-container {
    padding: 24px;
}

.logs-controls {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.logs-controls .btn {
    width: auto;
    padding: 8px 16px;
}

.logs-content {
    background: #1e1e1e;
    color: #d4d4d4;
    border-radius: 8px;
    padding: 16px;
    max-height: 60vh;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.5;
}

.logs-content pre {
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.logs-content .loading,
.logs-content .empty-state,
.logs-content .error {
    text-align: center;
    padding: 20px;
    color: #999;
}

.logs-content .error {
    color: #f44336;
}

/* Responsive */
@media (max-width: 768px) {
    .login-card {
        padding: 24px;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .actions-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .migration-header {
        flex-direction: column;
        gap: 12px;
    }

    .migration-actions {
        flex-direction: column;
    }

    .migration-actions .btn {
        width: 100%;
    }

    .modal-content {
        margin: 10px;
        max-height: 95vh;
    }

    .progress-stats {
        grid-template-columns: 1fr;
    }
}