/* styles.css — uGNSS Monitor PWA */

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

:root, :root.theme-indoor {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --bg-card: #0f3460;
    --bg-input: #0a0a1a;
    --bg-overlay: rgba(22, 33, 62, 0.95);
    
    --border-primary: #0f3460;
    --border-accent: #e83e8c;
    --border-success: #28a745;
    --border-warning: #ffc107;
    --border-danger: #dc3545;
    
    --text-primary: #e0e0e0;
    --text-secondary: #aaa;
    --text-muted: #666;
    --text-accent: #4ec9b0;
    --text-warning: #ffa500;
    --text-info: #569cd6;
    
    --btn-connect: #28a745;
    --btn-connect-hover: #218838;
    --btn-disconnect: #dc3545;
    --btn-disconnect-hover: #c82333;
    --btn-settings: #17a2b8;
    --btn-settings-hover: #138496;
    
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --scale-color: #fff;
}

:root.theme-light {
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --bg-tertiary: #e0e0e0;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    
    --border-primary: #cccccc;
    --border-success: #2e7d32;
    --border-warning: #f57c00;
    --border-danger: #c62828;
    
    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-accent: #00695c;
    --text-warning: #e65100;
    --text-info: #1565c0;
    
    --btn-connect: #2e7d32;
    --btn-connect-hover: #1b5e20;
    --btn-disconnect: #c62828;
    --btn-disconnect-hover: #b71c1c;
    --btn-settings: #00838f;
    --btn-settings-hover: #006064;
    
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --scale-color: #1a1a1a;
}

:root.theme-dark-contrast {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #1a1a1a;
    --bg-card: #111111;
    --bg-input: #000000;
    --bg-overlay: rgba(0, 0, 0, 0.95);
    
    --border-primary: #444444;
    --border-success: #69f0ae;
    --border-warning: #ffd740;
    --border-danger: #ff5252;
    
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --text-accent: #69f0ae;
    --text-warning: #ffd740;
    --text-info: #40c4ff;
    
    --btn-connect: #69f0ae;
    --btn-connect-hover: #00e676;
    --btn-disconnect: #ff5252;
    --btn-disconnect-hover: #ff1744;
    --btn-settings: #64ffda;
    --btn-settings-hover: #1de9b6;
    
    --shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
    --scale-color: #ffffff;
}

html, body { height: 100%; overflow: hidden; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
}

/* Верхняя панель */
#top-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-primary);
    flex-shrink: 0;
    flex-wrap: wrap;
    min-height: 44px;
    z-index: 50;
}

#connection-indicator {
    width: 12px; height: 12px;
    border-radius: 50%;
    background: var(--border-danger);
    flex-shrink: 0;
    transition: background 0.3s;
}
#connection-indicator.connected { background: var(--border-success); }

#device-label {
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
    color: var(--text-accent);
}

#status-text {
    font-size: 11px;
    color: var(--text-secondary);
    flex: 1;
    min-width: 100px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Кнопки */
.top-btn {
    padding: 5px 10px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    transition: all 0.2s;
    outline: none;
}
.top-btn:disabled { opacity: 0.4; cursor: not-allowed; filter: grayscale(30%); }
.top-btn:active:not(:disabled) { transform: scale(0.96); }

.btn-connect { background: var(--btn-connect); color: #fff; }
.btn-connect:hover:not(:disabled) { background: var(--btn-connect-hover); }
.btn-disconnect { background: var(--btn-disconnect); color: #fff; }
.btn-disconnect:hover:not(:disabled) { background: var(--btn-disconnect-hover); }
.btn-settings { background: var(--btn-settings); color: #fff; }
.btn-settings:hover:not(:disabled) { background: var(--btn-settings-hover); }

.btn-center {
    background: #6c757d;
    color: #fff;
    font-size: 14px;
    padding: 5px 10px;
    transition: all 0.2s;
}
.btn-center.active {
    background: #ffc107;
    color: #000;
    box-shadow: 0 0 8px rgba(255,193,7,0.6);
}
.btn-center:hover { background: #5a6268; }
.btn-center.active:hover { background: #ffb300; }

/* Выпадающее меню */
.dropdown-menu {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    box-shadow: var(--shadow);
    overflow: hidden;
}
.dropdown-item {
    padding: 7px 12px;
    cursor: pointer;
    font-size: 11px;
    color: var(--text-primary);
    white-space: nowrap;
    transition: background 0.15s;
}
.dropdown-item:hover { background: var(--bg-tertiary); }

/* Карта */
#map-container {
    flex: 1;
    position: relative;
    background: var(--bg-primary);
    overflow: hidden;
}

#map-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
}
#map-canvas:active { cursor: grabbing; }

/* Инфо GNSS */
#gnss-info {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--bg-overlay);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;      
    line-height: 1.8;
    z-index: 10;
    pointer-events: none;
    border: 1px solid var(--border-primary);
    backdrop-filter: blur(8px);
    min-width: 170px;
}
#gnss-info .gi-label { color: var(--text-secondary); }
#gnss-info .gi-value { color: var(--text-accent); font-weight: 700; }

#gi-hdg {  
    color: #ff6666 !important;
    font-weight: 700 !important;
}

/* Шкала */
#scale-bar {
    position: absolute;
    bottom: 12px;
    right: 16px;
    color: var(--scale-color);
    font-size: 11px;
    text-shadow: 0 0 4px rgba(0,0,0,0.8);
    z-index: 10;
    pointer-events: none;
}

/* Панель статистики */
#stats-panel {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 10px 14px;
    background: var(--bg-secondary);
    border-top: 2px solid var(--border-primary);
    flex-shrink: 0;
    font-size: 12px;        
    align-items: center;
}

.stats-row {
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}
.stats-label { color: var(--text-secondary); }
.stats-value {
    color: var(--text-accent);
    font-weight: 700;
    font-size: 13px;        /* крупнее */
}

#st-rate {
    transition: color 0.5s;
}

/* Footer */
.footer {
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    padding: 4px 12px;
    text-align: center;
    font-size: 10px;
    color: var(--text-muted);
}

/* Модальное окно */
#settings-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 200;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(4px);
}
#settings-overlay.visible { display: flex; }

#settings-modal {
    background: var(--bg-secondary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-lg);
    width: 380px;
    max-width: 95vw;
    box-shadow: var(--shadow);
}

#settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 2px solid var(--border-primary);
}
#settings-header h3 { color: var(--text-accent); font-size: 14px; }
#settings-header button {
    background: none; border: none;
    font-size: 18px; cursor: pointer;
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}
#settings-header button:hover { color: #fff; background: rgba(255,255,255,0.1); }

#settings-body { padding: 12px 16px; }

.settings-section { margin-bottom: 12px; }
.settings-section h4 {
    color: var(--text-info);
    font-size: 12px;
    margin-bottom: 6px;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--border-primary);
}

.settings-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}
.settings-row label {
    width: 80px;
    font-size: 11px;
    color: var(--text-secondary);
    text-align: right;
    flex-shrink: 0;
}

#settings-footer {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    padding: 10px 16px;
    border-top: 1px solid var(--border-primary);
}
#settings-footer button {
    padding: 6px 14px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    font-size: 11px;
}
.btn-apply { background: var(--btn-connect); color: #fff; }
.btn-apply:hover { background: var(--btn-connect-hover); }
.btn-close-settings { background: #6c757d; color: #fff; }
.btn-close-settings:hover { background: #5a6268; }

/* Адаптив */
@media (max-width: 768px) {
    #top-bar { padding: 4px 6px; gap: 4px; }
    .top-btn { padding: 4px 8px; font-size: 10px; }
    #stats-panel { gap: 4px 10px; font-size: 10px; }
    #gnss-info { font-size: 11px; padding: 6px 8px; }
}