:root {
    --bg-color: var(--tg-theme-bg-color, #ffffff);
    --text-color: var(--tg-theme-text-color, #000000);
    --hint-color: var(--tg-theme-hint-color, #999999);
    --link-color: var(--tg-theme-link-color, #2481cc);
    --button-color: var(--tg-theme-button-color, #2481cc);
    --button-text: var(--tg-theme-button-text-color, #ffffff);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #f0f0f0);

    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;

    --border-radius: 12px;
    --spacing: 12px;
    --transition: 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.4;
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
}

.hidden {
    display: none !important;
}

/* Loading */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    gap: 16px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--secondary-bg);
    border-top-color: var(--button-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Error Screen */
.error-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing);
    text-align: center;
}

.error-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

/* Header */
.header {
    display: flex;
    flex-direction: column;
    padding: 10px var(--spacing);
    background: var(--secondary-bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 16px;
    font-weight: 600;
}

.user-badge {
    font-size: 13px;
    color: var(--hint-color);
}

/* Bot Status */
.bot-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--hint-color);
    margin-top: 4px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--hint-color);
}

.status-indicator.online {
    background: var(--success-color);
    box-shadow: 0 0 6px var(--success-color);
}

.status-indicator.offline {
    background: var(--danger-color);
}

/* Navigation */
.nav-tabs {
    display: flex;
    background: var(--secondary-bg);
    padding: 0 8px;
    gap: 2px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-tabs::-webkit-scrollbar {
    display: none;
}

.nav-tab {
    flex: 1 1 auto;
    min-width: 0;
    padding: 10px 8px;
    border: none;
    background: transparent;
    color: var(--hint-color);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    text-align: center;
}

.nav-tab.active {
    color: var(--button-color);
    border-bottom-color: var(--button-color);
}

/* Content */
.content {
    padding: var(--spacing);
    padding-bottom: calc(var(--spacing) + env(safe-area-inset-bottom));
}

.tab-content {
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Card */
.card {
    background: var(--secondary-bg);
    border-radius: var(--border-radius);
    padding: var(--spacing);
    margin-bottom: var(--spacing);
}

.card h2 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing);
    gap: 8px;
}

.card-header-row h2 {
    margin-bottom: 0;
}

.hint {
    font-size: 12px;
    color: var(--hint-color);
    margin-bottom: var(--spacing);
    line-height: 1.4;
}

/* Collapsible */
.collapsible {
    cursor: pointer;
}

.collapsible summary {
    font-size: 14px;
    font-weight: 500;
    padding: 10px 0;
    list-style: none;
}

.collapsible summary::-webkit-details-marker {
    display: none;
}

.collapsible[open] summary {
    margin-bottom: var(--spacing);
    border-bottom: 1px solid var(--bg-color);
    padding-bottom: 10px;
}

/* AI Result */
.ai-result {
    margin-top: var(--spacing);
    padding: var(--spacing);
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 3px solid var(--success-color);
}

.ai-result-item {
    margin-bottom: 10px;
}

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

.ai-result-label {
    font-size: 11px;
    color: var(--hint-color);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.ai-result-value {
    font-size: 13px;
}

/* Form */
.form-group {
    margin-bottom: var(--spacing);
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
    color: var(--hint-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--button-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Filter */
.filter-row {
    display: flex;
    gap: 8px;
}

.filter-select {
    padding: 6px 10px;
    border: none;
    border-radius: 6px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn:active {
    transform: scale(0.98);
}

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

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

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

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

.btn-block {
    width: 100%;
}

.btn-small {
    padding: 6px 10px;
    font-size: 12px;
}

/* List */
.list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.list-empty {
    text-align: center;
    padding: 20px;
    color: var(--hint-color);
    font-size: 13px;
}

.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: var(--bg-color);
    border-radius: 8px;
    gap: 10px;
}

.list-item-content {
    flex: 1;
    min-width: 0;
}

.list-item-title {
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.list-item-subtitle {
    font-size: 12px;
    color: var(--hint-color);
    margin-top: 2px;
}

.list-item-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.status-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.status-badge.configured {
    background: var(--success-color);
    color: white;
}

.status-badge.unconfigured {
    background: var(--warning-color);
    color: #000;
}

/* Logs List */
.logs-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 60vh;
    overflow-y: auto;
}

.log-item {
    padding: 10px;
    background: var(--bg-color);
    border-radius: 8px;
    border-left: 3px solid var(--hint-color);
}

.log-item.trigger {
    border-left-color: var(--warning-color);
}

.log-item.with-task {
    border-left-color: var(--success-color);
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 6px;
    gap: 8px;
}

.log-meta {
    font-size: 11px;
    color: var(--hint-color);
}

.log-badges {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

.log-badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.log-badge.trigger {
    background: var(--warning-color);
    color: #000;
}

.log-badge.task {
    background: var(--success-color);
    color: white;
}

.log-text {
    font-size: 13px;
    line-height: 1.4;
    word-break: break-word;
}

.log-chat {
    font-size: 12px;
    color: var(--button-color);
    margin-top: 4px;
}

/* Audit List */
.audit-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 70vh;
    overflow-y: auto;
}

.audit-item {
    padding: 10px;
    background: var(--bg-color);
    border-radius: 8px;
    font-size: 13px;
}

.audit-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
}

.audit-action {
    font-weight: 500;
}

.audit-time {
    font-size: 11px;
    color: var(--hint-color);
}

.audit-user {
    font-size: 12px;
    color: var(--hint-color);
}

.audit-details {
    font-size: 11px;
    color: var(--hint-color);
    margin-top: 4px;
    background: var(--secondary-bg);
    padding: 4px 6px;
    border-radius: 4px;
}

/* User Avatar */
.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.user-avatar-placeholder {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--button-color);
    color: var(--button-text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

.list-item-with-avatar {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Role badges */
.role-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 4px;
}

.role-badge.superadmin {
    background: #9b59b6;
    color: white;
}

.role-badge.admin {
    background: var(--button-color);
    color: white;
}

/* Telegram link status */
.tg-status {
    font-size: 11px;
    margin-top: 2px;
}

.tg-status.linked {
    color: var(--success-color);
}

.tg-status.not-linked {
    color: var(--hint-color);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: var(--bg-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing);
    border-bottom: 1px solid var(--secondary-bg);
}

.modal-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.modal-close {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--secondary-bg);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    padding: var(--spacing);
    overflow-y: auto;
    max-height: calc(90vh - 60px);
    padding-bottom: calc(var(--spacing) + env(safe-area-inset-bottom));
}

/* Toast */
.toast {
    position: fixed;
    bottom: calc(16px + env(safe-area-inset-bottom));
    left: 50%;
    transform: translateX(-50%);
    padding: 10px 20px;
    background: var(--text-color);
    color: var(--bg-color);
    border-radius: 8px;
    font-size: 13px;
    z-index: 2000;
    animation: toastIn 0.3s ease;
    max-width: 90%;
    text-align: center;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

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

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

/* Statistics */
.price-settings {
    margin-bottom: var(--spacing);
    padding: 10px;
    background: var(--bg-color);
    border-radius: 8px;
}

.form-inline {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.form-inline label {
    margin-bottom: 0;
    white-space: nowrap;
    font-size: 12px;
}

.form-inline input {
    width: 80px;
    text-align: right;
    padding: 6px 8px;
    font-size: 14px;
}

.price-currency {
    color: var(--hint-color);
    font-size: 13px;
}

.stats-summary {
    margin-bottom: var(--spacing);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.stat-card {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.stat-card-wide {
    margin-top: 8px;
}

.stat-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--button-color);
}

.stat-label {
    font-size: 11px;
    color: var(--hint-color);
    margin-top: 2px;
}

/* Chart */
.chart-container {
    margin: var(--spacing) 0;
    padding: var(--spacing);
    background: var(--bg-color);
    border-radius: 8px;
}

.chart-container h3 {
    margin-bottom: var(--spacing);
}

.chart-container canvas {
    max-height: 200px;
}

.stats-groups {
    margin-top: var(--spacing);
}

.stats-group-item {
    flex-direction: column;
    align-items: flex-start;
}

.stats-group-details {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.stat-mini {
    font-size: 11px;
    background: var(--secondary-bg);
    padding: 3px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.stat-mini.stat-cost {
    background: var(--success-color);
    color: white;
}

/* Responsive */
@media (min-width: 600px) {
    :root {
        --spacing: 16px;
    }

    .modal-content {
        border-radius: var(--border-radius);
        margin: auto;
    }

    .modal {
        align-items: center;
        padding: var(--spacing);
    }

    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .stat-card-wide {
        grid-column: span 4;
        margin-top: 8px;
    }

    .nav-tab {
        font-size: 13px;
        padding: 12px 14px;
    }

    .chart-container canvas {
        max-height: 250px;
    }
}