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

:root {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #6b7280;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --border-color: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
}

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

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

header {
    text-align: center;
    padding: 40px 0;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
    overflow-x: auto;
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: all 0.3s;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Cards */
.status-card, .history-card, .config-card, .accounts-card,
.transactions-card, .receipts-card, .rules-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

h2 {
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.info {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* Status Items */
.status-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.label {
    font-weight: 600;
    color: var(--text-primary);
}

.value {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
}

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

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

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

.btn-secondary:hover {
    background-color: #475569;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

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

.actions {
    margin-top: 20px;
    display: flex;
    gap: 10px;
}

/* Danger Zone */
.danger-zone {
    margin-top: 40px;
    padding: 20px;
    border: 2px solid var(--danger-color);
    border-radius: 8px;
    background-color: rgba(239, 68, 68, 0.1);
}

.danger-zone h3 {
    color: var(--danger-color);
    margin-top: 0;
    margin-bottom: 10px;
}

.danger-zone .warning-text {
    color: var(--secondary-text);
    margin-bottom: 15px;
    line-height: 1.6;
}

.danger-zone .warning-text strong {
    color: var(--danger-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="number"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.form-group small a {
    color: var(--primary-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

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

thead {
    background-color: var(--bg-color);
}

th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

tbody tr:hover {
    background-color: var(--bg-color);
}

.status-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 500;
}

.status-success {
    background-color: #d1fae5;
    color: #065f46;
}

.status-failed {
    background-color: #fee2e2;
    color: #991b1b;
}

.status-running {
    background-color: #dbeafe;
    color: #1e40af;
}

.status-cancelled {
    background-color: #fed7aa;
    color: #92400e;
}

/* Receipt Grid */
.receipts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.receipt-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s;
}

.receipt-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.receipt-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 10px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    overflow-y: auto;
}

.modal-content {
    background-color: var(--card-bg);
    margin: 50px auto;
    padding: 30px;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-secondary);
    cursor: pointer;
}

.close:hover {
    color: var(--text-primary);
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 20px;
}

.upload-zone:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-color);
}

.upload-zone.dragover {
    border-color: var(--primary-color);
    background-color: var(--bg-color);
}

#image-previews {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

#image-previews img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid var(--border-color);
}

/* Notifications */
#notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    max-width: 400px;
}

.notification {
    background: var(--card-bg);
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    border-left: 4px solid var(--primary-color);
    animation: slideIn 0.3s ease-out;
}

.notification.success {
    border-left-color: var(--success-color);
}

.notification.error {
    border-left-color: var(--danger-color);
}

.notification.warning {
    border-left-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Filters */
.filters {
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--bg-color);
    border-radius: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    header h1 {
        font-size: 2rem;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .tab-btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }

    .status-item {
        flex-direction: column;
        gap: 5px;
    }

    table {
        font-size: 0.875rem;
    }

    th, td {
        padding: 8px;
    }

    .modal-content {
        width: 95%;
        margin: 20px auto;
        padding: 20px;
    }
}

/* Logs Display */
.logs-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.logs-display {
    background: #0a0f1a;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 15px;
    margin-top: 20px;
    max-height: 600px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
}

#logs-content {
    color: #e2e8f0;
    font-size: 13px;
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Log level colors */
#logs-content .log-error {
    color: #ef4444;
}

#logs-content .log-warning {
    color: #f59e0b;
}

#logs-content .log-info {
    color: #3b82f6;
}

#logs-content .log-debug {
    color: #94a3b8;
}

/* Review Tab */
.review-card {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.badge-container {
    margin: 15px 0;
}

.pending-badge {
    display: inline-block;
    padding: 8px 15px;
    background: var(--warning-color);
    color: white;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.transaction-comparison {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tx-info {
    font-size: 0.9rem;
}

.tx-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.tx-amount {
    font-weight: 600;
    color: var(--text-primary);
}

.tx-merchant {
    color: var(--text-primary);
}

.duplicate-reason-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.reason-id {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.reason-hash {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}