:root {
    --primary-color: #3498db;
    --primary-hover: #2980b9;
    --success-color: #27ae60;
    --success-hover: #219a52;
    --danger-color: #e74c3c;
    --danger-hover: #c0392b;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --text-color: #2c3e50;
    --bg-color: #f7f9fc;
    --white: #fff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 950px;
    margin: 30px auto;
    padding: 25px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

h1, .text-center {
    text-align: center;
}

h1 {
    margin-bottom: 25px;
    font-weight: 600;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--medium-gray);
}

.status-container {
    text-align: center;
    margin-bottom: 25px;
    padding: 15px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
}

.status-indicator {
    font-size: 1.15em;
}

.status-text {
    font-weight: 600;
    margin-left: 8px;
}

.status-text.running {
    color: var(--success-color);
}

.status-text.stopped {
    color: var(--danger-color);
}

.button-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 25px;
}

.btn {
    padding: 10px 18px;
    font-size: 1em;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:hover:not(:disabled) {
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-start {
    background-color: var(--success-color);
    color: var(--white);
}
.btn-start:hover:not(:disabled) {
    background-color: var(--success-hover);
}

.btn-stop {
    background-color: var(--danger-color);
    color: var(--white);
}
.btn-stop:hover:not(:disabled) {
    background-color: var(--danger-hover);
}

.btn-logs, .btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}
.btn-logs:hover:not(:disabled), .btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--dark-gray);
    color: var(--white);
}
.btn-secondary:hover:not(:disabled) {
    background-color: #5a6268;
}

/* Location & ETA Containers */
.location-container, .eta-container {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.location-toggle, .eta-input {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 15px;
    background: var(--white);
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.location-toggle span, .eta-input label {
    font-weight: 500;
}

.eta-input input {
    width: 80px;
    padding: 8px 10px;
    border: 1px solid var(--medium-gray);
    border-radius: 5px;
    font-size: 1em;
    text-align: center;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.eta-input input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.eta-container .button-container {
    grid-column: 1 / -1;
    margin-top: 10px;
    margin-bottom: 0;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}
.switch input { display: none; }

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ccc;
    transition: .3s;
    border-radius: 28px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--success-color);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Modal */
.modal {
    display: none; position: fixed; z-index: 100; 
    left: 0; top: 0; width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.5);
    align-items: center; justify-content: center;
}
.modal.show {
    display: flex;
}

.modal-content {
    background-color: var(--white);
    width: 90%;
    max-width: 800px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--medium-gray);
    display: flex; justify-content: space-between; align-items: center;
}

.modal-header h2 { margin: 0; }

.close {
    color: var(--dark-gray); font-size: 28px; font-weight: bold; cursor: pointer;
    transition: color 0.2s ease;
}
.close:hover { color: var(--text-color); }

.modal-body { padding: 20px; overflow-y: auto; }
.modal-footer { padding: 15px 20px; border-top: 1px solid var(--medium-gray); text-align: right; }

.log-content {
    background-color: var(--text-color);
    color: var(--light-gray);
    padding: 15px;
    border-radius: 6px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', monospace;
    font-size: 0.9em;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Message Area */
.message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 6px;
    border: 1px solid transparent;
    display: none; /* Hidden by default */
}
.message.show {
    display: block;
}

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

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

/* Responsive */
/* ========== BACKUP MANAGEMENT STYLES ========== */
.backup-container {
    margin-top: 20px;
}

.backup-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.backup-stat-card {
    background: var(--light-gray);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--medium-gray);
    transition: all 0.3s ease;
}

.backup-stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.2);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.backup-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.backup-list {
    background: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.backup-item {
    background: var(--white);
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--medium-gray);
    transition: all 0.3s ease;
}

.backup-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.backup-item-latest {
    border: 2px solid var(--primary-color);
    background: #f0f8ff;
}

.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 8px;
}

.badge-latest {
    background-color: var(--primary-color);
    color: var(--white);
}

.backup-item:last-child {
    margin-bottom: 0;
}

.backup-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.backup-info strong {
    font-size: 1rem;
    color: var(--text-color);
}

.backup-info span {
    font-size: 0.85rem;
    color: var(--dark-gray);
}

.backup-item-actions {
    display: flex;
    gap: 8px;
}

.btn-warning {
    background-color: #f39c12;
    color: var(--white);
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-success {
    background-color: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background-color: var(--success-hover);
}

/* Screenshot Section */
.screenshot-container {
    margin-top: 20px;
    padding: 20px;
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
}

.screenshot-status {
    text-align: center;
    margin-bottom: 15px;
    font-weight: 500;
    color: var(--dark-gray);
}

.screenshot-main {
    background: var(--white);
    border-radius: 6px;
    padding: 15px;
    text-align: center;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.screenshot-main img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.no-screenshot-placeholder {
    color: var(--dark-gray);
    text-align: center;
    padding: 40px 20px;
}

.no-screenshot-placeholder p {
    margin: 5px 0;
}

@media (max-width: 768px) {
    .container { margin: 20px; padding: 20px; }
    h1 { font-size: 1.5rem; }
    .section-title { font-size: 1.15rem; }
    .location-container, .eta-container {
        grid-template-columns: 1fr;
    }
    .backup-stats {
        grid-template-columns: 1fr;
    }
    .backup-actions {
        flex-direction: column;
    }
    .backup-actions .btn {
        width: 100%;
    }
    .backup-item {
        flex-direction: column;
        gap: 15px;
    }
    .backup-item-actions {
        width: 100%;
        justify-content: stretch;
    }
    .backup-item-actions .btn {
        flex: 1;
    }
}

@media (max-width: 480px) {
    body { font-size: 15px; }
    .container { margin: 10px; padding: 15px; }
    .button-container { flex-direction: column; gap: 10px; }
    .btn { width: 100%; }
    .eta-input input { width: 70px; }
}