/* ===== CSS Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Default theme (will be overridden by Telegram theme) */
    --tg-theme-bg-color: #ffffff;
    --tg-theme-text-color: #000000;
    --tg-theme-hint-color: #999999;
    --tg-theme-link-color: #3390ec;
    --tg-theme-button-color: #3390ec;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #f4f4f5;
    --tg-theme-header-bg-color: #ffffff;
    --tg-theme-bottom-bar-bg-color: #ffffff;
    --tg-theme-accent-text-color: #3390ec;
    --tg-theme-section-bg-color: #ffffff;
    --tg-theme-section-header-text-color: #6d6d72;
    --tg-theme-section-separator-color: #d1d1d6;
    --tg-theme-subtitle-text-color: #999999;
    --tg-theme-destructive-text-color: #ff3b30;
    --tg-color-scheme: light;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Safe area insets (will be updated dynamically) */
    --safe-area-inset-top: 0px;
    --safe-area-inset-right: 0px;
    --safe-area-inset-bottom: 0px;
    --safe-area-inset-left: 0px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    padding-top: env(safe-area-inset-top);
    padding-right: env(safe-area-inset-right);
    padding-bottom: env(safe-area-inset-bottom);
    padding-left: env(safe-area-inset-left);
}

/* ===== Security Banner ===== */
.security-banner {
    background: var(--tg-theme-destructive-text-color);
    color: white;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.security-banner svg {
    flex-shrink: 0;
}

/* ===== Container ===== */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding-bottom: 80px;
}

/* ===== Tab Navigation ===== */
.tab-nav {
    display: flex;
    overflow-x: auto;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--tg-theme-header-bg-color);
    position: sticky;
    top: 0;
    z-index: 99;
    border-bottom: 1px solid var(--tg-theme-section-separator-color);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

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

.tab-btn {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--tg-theme-hint-color);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    font-size: 11px;
    font-weight: 500;
}

.tab-btn svg {
    opacity: 0.6;
}

.tab-btn.active {
    color: var(--tg-theme-accent-text-color);
    background: var(--tg-theme-secondary-bg-color);
}

.tab-btn.active svg {
    opacity: 1;
}

.tab-btn:hover {
    background: var(--tg-theme-secondary-bg-color);
}

/* ===== Tab Content ===== */
.tab-content-wrapper {
    padding: var(--spacing-lg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* ===== Cards ===== */
.card {
    background: var(--tg-theme-section-bg-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--tg-theme-text-color);
}

.card h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--tg-theme-subtitle-text-color);
}

/* ===== User Card ===== */
.user-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--tg-theme-button-color);
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 600;
}

.user-info {
    flex: 1;
}

.user-info h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.username {
    color: var(--tg-theme-hint-color);
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
}

.user-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ===== Badges ===== */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--tg-theme-secondary-bg-color);
    color: var(--tg-theme-text-color);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
}

.badge.premium {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.badge-inline {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

/* ===== Key-Value Grid ===== */
.key-value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.kv-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.kv-key {
    font-size: 12px;
    color: var(--tg-theme-hint-color);
    font-weight: 500;
}

.kv-value {
    font-size: 14px;
    color: var(--tg-theme-text-color);
    font-weight: 500;
    word-break: break-word;
}

/* ===== Buttons ===== */
.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    min-width: fit-content;
}

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

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--tg-theme-section-separator-color);
}

.btn-danger {
    background: var(--tg-theme-destructive-text-color);
    color: white;
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
}

.btn-copy {
    margin-top: var(--spacing-sm);
    width: 100%;
}

/* ===== JSON Viewer ===== */
.json-viewer {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    overflow-x: auto;
}

.json-viewer pre {
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.6;
    color: var(--tg-theme-text-color);
    white-space: pre-wrap;
    word-break: break-word;
}

/* ===== Color Swatches ===== */
.color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--spacing-md);
}

.color-swatch {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.color-preview {
    height: 48px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--tg-theme-section-separator-color);
}

.color-name {
    font-size: 11px;
    color: var(--tg-theme-hint-color);
    font-weight: 500;
}

.color-value {
    font-size: 12px;
    color: var(--tg-theme-text-color);
    font-family: monospace;
}

/* ===== Safe Area Display ===== */
.safe-area-display {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-md);
}

.safe-area-overlay {
    position: relative;
    height: 300px;
    background: var(--tg-theme-bg-color);
    border-radius: var(--radius-sm);
}

.safe-inset {
    position: absolute;
    background: rgba(255, 59, 48, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--tg-theme-destructive-text-color);
}

.safe-inset.top {
    top: 0;
    left: 0;
    right: 0;
    height: var(--spacing-xl);
}

.safe-inset.right {
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--spacing-xl);
}

.safe-inset.bottom {
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--spacing-xl);
}

.safe-inset.left {
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--spacing-xl);
}

.safe-area-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--tg-theme-hint-color);
    font-weight: 600;
}

/* ===== Inputs ===== */
.input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--tg-theme-section-separator-color);
    border-radius: var(--radius-sm);
    background: var(--tg-theme-bg-color);
    color: var(--tg-theme-text-color);
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
}

.input:focus {
    outline: none;
    border-color: var(--tg-theme-button-color);
}

.input-color {
    width: 48px;
    height: 48px;
    border: 1px solid var(--tg-theme-section-separator-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

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

/* ===== Button Controls ===== */
.button-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ===== Sensor Panel ===== */
.sensor-panel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sensor-group {
    padding: var(--spacing-md);
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
}

.sensor-values {
    display: flex;
    gap: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    font-size: 13px;
}

.sensor-values strong {
    color: var(--tg-theme-accent-text-color);
    font-family: monospace;
}

/* ===== Storage ===== */
.storage-playground {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.storage-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.storage-list {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    min-height: 100px;
}

.storage-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--tg-theme-section-separator-color);
}

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

.storage-item-key {
    font-weight: 500;
    color: var(--tg-theme-text-color);
}

.storage-item-value {
    color: var(--tg-theme-hint-color);
    font-size: 12px;
    font-family: monospace;
}

/* ===== Share Controls ===== */
.share-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ===== Event Stream ===== */
.event-stream {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 12px;
}

.event-entry {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background: var(--tg-theme-bg-color);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--tg-theme-button-color);
}

.event-time {
    color: var(--tg-theme-hint-color);
    font-weight: 600;
}

.event-name {
    color: var(--tg-theme-accent-text-color);
    font-weight: 600;
    margin: 0 var(--spacing-xs);
}

.event-detail {
    color: var(--tg-theme-text-color);
}

/* ===== Event List ===== */
.event-list {
    background: var(--tg-theme-secondary-bg-color);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    min-height: 100px;
    max-height: 300px;
    overflow-y: auto;
}

.text-muted {
    color: var(--tg-theme-hint-color);
    font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 480px) {
    .tab-nav {
        padding: var(--spacing-sm);
    }
    
    .tab-btn {
        padding: var(--spacing-sm);
    }
    
    .tab-btn span {
        font-size: 10px;
    }
    
    .tab-content-wrapper {
        padding: var(--spacing-md);
    }
    
    .key-value-grid {
        grid-template-columns: 1fr;
    }
    
    .color-swatches {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* ===== Dark mode adjustments ===== */
[data-theme="dark"] {
    --tg-theme-bg-color: #0d1117;
    --tg-theme-text-color: #e6edf3;
    --tg-theme-hint-color: #8b949e;
    --tg-theme-link-color: #58a6ff;
    --tg-theme-button-color: #2ea043;
    --tg-theme-button-text-color: #ffffff;
    --tg-theme-secondary-bg-color: #161b22;
    --tg-theme-header-bg-color: #0b0f14;
    --tg-theme-bottom-bar-bg-color: #0b0f14;
    --tg-theme-accent-text-color: #c9d1d9;
    --tg-theme-section-bg-color: #0f141a;
    --tg-theme-section-header-text-color: #9da7b1;
    --tg-theme-section-separator-color: #242a31;
    --tg-theme-subtitle-text-color: #9aa4af;
    --tg-theme-destructive-text-color: #ff6b6b;
}

/* ===== Scrollbar styling ===== */
.event-stream::-webkit-scrollbar,
.event-list::-webkit-scrollbar {
    width: 6px;
}

.event-stream::-webkit-scrollbar-track,
.event-list::-webkit-scrollbar-track {
    background: var(--tg-theme-bg-color);
}

.event-stream::-webkit-scrollbar-thumb,
.event-list::-webkit-scrollbar-thumb {
    background: var(--tg-theme-hint-color);
    border-radius: 3px;
}

.event-stream::-webkit-scrollbar-thumb:hover,
.event-list::-webkit-scrollbar-thumb:hover {
    background: var(--tg-theme-text-color);
}