/* ══════════════════════════════════════════════════════════════
   Dave the Robot — Dashboard Styles
   Mission-control dark/light theme with teal accent
   ══════════════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────────── */

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

:root {
    /* Dark theme (default) */
    --bg-primary: #0f1117;
    --bg-surface: #1a1d27;
    --bg-surface-hover: #242836;
    --border: #2a2e3a;
    --text-primary: #e4e5e9;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --accent: #20808D;
    --accent-hover: #1a6b77;
    --accent-dim: rgba(32, 128, 141, 0.15);
    --accent-border: rgba(32, 128, 141, 0.3);
    --danger: #ef4444;
    --danger-dim: rgba(239, 68, 68, 0.12);
    --danger-border: rgba(239, 68, 68, 0.3);
    --warning: #f59e0b;
    --warning-dim: rgba(245, 158, 11, 0.12);
    --warning-border: rgba(245, 158, 11, 0.3);
    --success: #22c55e;
    --success-dim: rgba(34, 197, 94, 0.12);
    --success-border: rgba(34, 197, 94, 0.3);

    /* Spacing */
    --gap: 16px;
    --radius: 8px;
    --radius-sm: 6px;

    /* Fonts */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
    --bg-primary: #f8f9fa;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f3f4f6;
    --border: #e5e7eb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --accent: #0d7c88;
    --accent-hover: #0a6570;
    --accent-dim: rgba(13, 124, 136, 0.1);
    --accent-border: rgba(13, 124, 136, 0.25);
    --danger: #dc2626;
    --danger-dim: rgba(220, 38, 38, 0.08);
    --danger-border: rgba(220, 38, 38, 0.25);
    --warning: #d97706;
    --warning-dim: rgba(217, 119, 6, 0.08);
    --warning-border: rgba(217, 119, 6, 0.25);
    --success: #16a34a;
    --success-dim: rgba(22, 163, 74, 0.08);
    --success-border: rgba(22, 163, 74, 0.25);
}

html, body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background 0.2s ease, color 0.2s ease;
}

/* ── Top Bar ──────────────────────────────────────────────── */

#top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 20px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.top-bar-left {
    display: flex;
    align-items: center;
}

.top-bar-center {
    display: flex;
    align-items: center;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--accent);
}

.logo-sub {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.logo-accent {
    width: 3px;
    height: 20px;
    background: var(--accent);
    border-radius: 2px;
    margin-right: 4px;
}

.connection-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.2s ease;
}

.connection-badge.connected {
    background: var(--success-dim);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.connection-badge.disconnected {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.connection-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.uptime-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.uptime-label {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1.5px;
}

.uptime-value {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Header icon buttons */
.header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.header-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.header-btn svg {
    width: 16px;
    height: 16px;
}

/* ── Dashboard Layout ─────────────────────────────────────── */

#dashboard {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--gap);
    padding: var(--gap);
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 56px);
}

.column-left {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

.column-right {
    display: flex;
    flex-direction: column;
    gap: var(--gap);
}

/* ── Panel Base ───────────────────────────────────────────── */

.panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.panel-header h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.panel-header h2 svg {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
}

.panel-hint {
    font-size: 10px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.panel-badges {
    display: flex;
    gap: 6px;
}

.ai-log-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.voice-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.voice-toggle svg {
    width: 14px;
    height: 14px;
}

.voice-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.voice-toggle.voice-on {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
}

/* ── Badges ───────────────────────────────────────────────── */

.badge {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-info {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--accent-border);
}

.badge-warning {
    background: var(--warning-dim);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.badge-error {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.badge-success {
    background: var(--success-dim);
    color: var(--success);
    border: 1px solid var(--success-border);
}

/* ── Video Panel ──────────────────────────────────────────── */

.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    background: #000;
    overflow: hidden;
}

#video-feed {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 17, 23, 0.9);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

[data-theme="light"] .video-overlay {
    background: rgba(248, 249, 250, 0.9);
}

.video-overlay.visible {
    opacity: 1;
}

.video-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 13px;
}

.video-overlay-content svg {
    width: 40px;
    height: 40px;
    opacity: 0.4;
}

.mode-banner {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
}

.mode-banner.mode-auto {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--accent-border);
}

.mode-banner.mode-manual {
    background: var(--warning-dim);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.mode-banner.mode-stopped {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

/* ── Mode Panel ───────────────────────────────────────────── */

.mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 14px 16px;
}

.mode-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 14px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: var(--font-body);
}

.mode-btn:hover {
    border-color: var(--text-muted);
    background: var(--bg-surface-hover);
}

.mode-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.mode-btn-icon svg {
    width: 24px;
    height: 24px;
}

.mode-btn-manual:hover,
.mode-btn-manual.active {
    border-color: var(--warning);
    background: var(--warning-dim);
    color: var(--warning);
}

.mode-btn-auto:hover,
.mode-btn-auto.active {
    border-color: var(--accent);
    background: var(--accent-dim);
    color: var(--accent);
}

.mode-btn-label {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
}

.mode-btn-desc {
    font-size: 10px;
    color: var(--text-muted);
}

.mode-btn.active .mode-btn-desc {
    color: inherit;
    opacity: 0.7;
}

/* ── Twin-Stick Controls (Tank Drive) ─────────────────────── */

.controls-panel.disabled {
    opacity: 0.35;
    pointer-events: none;
}

.twinstick-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 24px 16px 32px;
    gap: 12px;
}

.stick-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.stick-label {
    font-size: 9px;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.stick-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
}

.stick-btn svg {
    width: 24px;
    height: 24px;
}

.stick-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-dim);
    box-shadow: 0 0 15px var(--accent-dim);
}

.stick-btn:active,
.stick-btn.pressed {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: scale(0.92);
}

.stick-center {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 18px; /* Offset for labels */
}

.stick-stop-btn {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    border: 2px solid var(--danger-border);
    background: var(--bg-surface);
    color: var(--text-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 0 0 4px var(--bg-primary);
    touch-action: manipulation;
}

.stick-stop-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: var(--danger-dim);
    box-shadow: 0 0 20px var(--danger-dim), 0 0 0 4px var(--bg-primary);
}

.stick-stop-btn:active {
    transform: scale(0.9);
    background: var(--danger);
    color: #fff;
}

/* ── Emergency Stop ───────────────────────────────────────── */

.emergency-stop-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 14px;
    border-radius: var(--radius);
    border: 2px solid var(--danger);
    background: var(--danger-dim);
    color: var(--danger);
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    transition: all 0.15s ease;
}

.emergency-stop-btn svg {
    width: 18px;
    height: 18px;
}

.emergency-stop-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

.emergency-stop-btn:active {
    transform: scale(0.98);
    background: rgba(239, 68, 68, 0.3);
}

/* ── Telemetry Panel ──────────────────────────────────────── */

.telemetry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--border);
}

.telemetry-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 10px 14px;
    background: var(--bg-surface);
}

.telemetry-label {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.telemetry-value {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

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

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

.mode-auto-text { color: var(--accent); }
.mode-manual-text { color: var(--warning); }
.mode-stopped-text { color: var(--danger); }

/* ── AI Log Panel ─────────────────────────────────────────── */

.ai-log {
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--text-muted) transparent;
}

.ai-log::-webkit-scrollbar {
    width: 5px;
}

.ai-log::-webkit-scrollbar-track {
    background: transparent;
}

.ai-log::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

.ai-log-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 28px 16px;
    color: var(--text-muted);
    font-size: 12px;
}

.ai-log-empty-sub {
    font-size: 10px;
    opacity: 0.6;
}

.ai-log-entry {
    display: flex;
    gap: 10px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-8px); }
    to { opacity: 1; transform: translateX(0); }
}

.ai-log-action {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
    flex-shrink: 0;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid var(--accent-border);
}

.ai-log-action.action-stop {
    background: var(--danger-dim);
    color: var(--danger);
    border-color: var(--danger-border);
}

.ai-log-action.action-backward {
    background: var(--warning-dim);
    color: var(--warning);
    border-color: var(--warning-border);
}

.ai-log-details {
    flex: 1;
    min-width: 0;
}

.ai-log-reasoning {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
    word-wrap: break-word;
}

.ai-log-meta {
    font-size: 9px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 3px;
}

/* ── Command History Panel ────────────────────────────────── */

.command-history {
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--text-muted) transparent;
}

.command-history::-webkit-scrollbar {
    width: 5px;
}

.command-history::-webkit-scrollbar-track {
    background: transparent;
}

.command-history::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

.history-empty {
    padding: 20px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
}

.history-entry {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 14px;
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    animation: slideIn 0.15s ease-out;
}

.history-time {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.history-cmd {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
}

.history-source {
    font-size: 10px;
    color: var(--text-muted);
    margin-left: auto;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 768px) {
    #dashboard {
        grid-template-columns: 1fr;
    }

    .column-right {
        order: -1;
    }

    .emergency-stop-btn {
        position: sticky;
        top: 56px;
        z-index: 50;
    }
}

@media (max-width: 480px) {
    #top-bar {
        padding: 8px 12px;
    }

    .logo-sub {
        display: none;
    }

    .uptime-display {
        display: none;
    }

    #dashboard {
        padding: 8px;
        gap: 8px;
    }

    .dpad-btn {
        width: 48px;
        height: 48px;
    }

    .dpad {
        grid-template-columns: 48px 48px 48px;
        grid-template-rows: 48px 48px 48px;
    }
}

/* ── Utility Animations ───────────────────────────────────── */

.flash-success {
    animation: flashGreen 0.4s ease;
}

@keyframes flashGreen {
    0% { box-shadow: 0 0 0 rgba(34, 197, 94, 0); }
    50% { box-shadow: 0 0 12px rgba(34, 197, 94, 0.3); }
    100% { box-shadow: 0 0 0 rgba(34, 197, 94, 0); }
}

.flash-error {
    animation: flashRed 0.4s ease;
}

@keyframes flashRed {
    0% { box-shadow: 0 0 0 rgba(239, 68, 68, 0); }
    50% { box-shadow: 0 0 12px rgba(239, 68, 68, 0.3); }
    100% { box-shadow: 0 0 0 rgba(239, 68, 68, 0); }
}