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

:root {
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d27;
    --bg-card: #222533;
    --bg-hover: #2a2d3e;
    --text-primary: #e4e6ed;
    --text-secondary: #8b8fa3;
    --text-muted: #5a5e72;
    --accent: #6c5ce7;
    --accent-hover: #7d6ff0;
    --success: #00b894;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #3498db;
    --border: #2d3044;
    --radius: 10px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.header-content h1 {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a29bfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-text {
    font-size: 12px;
    color: var(--text-secondary);
    max-width: 350px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.status-text.active {
    color: var(--info);
}

.badge-idle { background: var(--text-muted); color: #fff; }
.badge-monitoring { background: var(--info); color: #fff; animation: pulse 2s infinite; }
.badge-in_stock { background: var(--success); color: #fff; }
.badge-out_of_stock { background: var(--danger); color: #fff; }
.badge-purchased { background: var(--accent); color: #fff; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Buttons */
.btn {
    padding: 8px 18px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-success {
    background: var(--success);
    color: #fff;
}
.btn-success:hover:not(:disabled) { background: #00d9a7; }

.btn-danger {
    background: var(--danger);
    color: #fff;
}
.btn-danger:hover:not(:disabled) { background: #ff5c4d; }

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-outline:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

/* Panel */
.panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.panel-header {
    padding: 14px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.panel-header h2 {
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.toggle-icon {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.2s;
}

.panel-body {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.panel-body.collapsed {
    display: none;
}

.count-badge {
    background: var(--accent);
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
}

/* Forms */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="text"],
.input-url {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

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

.form-group input[type="checkbox"] {
    margin-right: 6px;
    accent-color: var(--accent);
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
}

@media (max-width: 900px) {
    .settings-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .settings-grid { grid-template-columns: 1fr; }
}

.setting-group h3 {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border);
}

/* Product Add */
.add-product-form {
    display: flex;
    gap: 10px;
}

.add-product-form .input-url {
    flex: 1;
}

/* Product List */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 14px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    transition: border-color 0.2s;
}

.product-card:hover {
    border-color: var(--accent);
}

.product-card-body {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.product-card-body .product-detail {
    padding-top: 0;
}

.product-card-body .product-card-header {
    margin-top: 0;
}

a.product-image,
.product-image {
    width: 90px;
    height: 120px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-primary);
    display: block;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-detail {
    flex: 1;
    min-width: 0;
}

.product-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.product-info {
    flex: 1;
}

.product-name,
.product-name-link {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.3;
}

.product-name-link {
    color: var(--text-primary);
    text-decoration: none;
    display: block;
}

.product-name-link:hover {
    color: var(--accent);
}

.product-url {
    font-size: 11px;
    color: var(--text-muted);
    word-break: break-all;
}

.product-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
    margin-left: 12px;
}

.product-conditions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.condition-tag {
    display: flex;
    flex-direction: column;
    padding: 8px 14px;
    background: var(--bg-primary);
    border-radius: 6px;
    font-size: 12px;
    min-width: 100px;
}

.condition-name {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.condition-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent);
}

.condition-stock {
    font-size: 11px;
    margin-top: 2px;
}

.condition-stock.in-stock {
    color: var(--success);
    font-weight: 600;
}

.condition-stock.out-of-stock {
    color: var(--danger);
}

.product-meta {
    display: flex;
    gap: 16px;
    margin-top: 10px;
    font-size: 11px;
    color: var(--text-muted);
}

.product-autobuy {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.product-autobuy label {
    color: var(--text-secondary);
    cursor: pointer;
}

.product-autobuy select {
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
}

.autobuy-cond-separator {
    color: var(--border);
    margin: 0 4px;
}

.autobuy-cond-list {
    display: inline-flex;
    gap: 10px;
    flex-wrap: wrap;
}

.autobuy-cond-label {
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 3px;
}

.autobuy-cond-label input[type="checkbox"] {
    accent-color: var(--accent);
}

.autobuy-hint {
    font-size: 10px;
    color: var(--text-muted);
    margin-left: 6px;
}

/* Log */
.log-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.log-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-family: 'SF Mono', 'Menlo', monospace;
}

.log-item:hover {
    background: var(--bg-hover);
}

.log-time {
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}

.log-product {
    color: var(--accent);
    white-space: nowrap;
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
}

.log-message {
    color: var(--text-primary);
    flex: 1;
}

.log-item.log-error .log-message { color: var(--danger); }
.log-item.log-success .log-message { color: var(--success); }
.log-item.log-warning .log-message { color: var(--warning); }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Loading */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Toast notification */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    z-index: 1000;
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }
.toast-info { background: var(--info); }

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Login page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.login-title {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a29bfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    text-align: center;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 24px;
    text-align: center;
}

.login-form .form-group {
    margin-bottom: 16px;
}

.login-error {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}

.login-btn {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
    justify-content: center;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }