/* ============================================================
   Codette UI — Dark Glass Theme with Adapter Accent Colors
   Zero dependencies. Pure CSS.
   ============================================================ */

:root {
    /* Base palette */
    --bg-primary: #0f1117;
    --bg-secondary: #1a1d28;
    --bg-tertiary: #232736;
    --bg-glass: rgba(26, 29, 40, 0.85);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: rgba(148, 163, 184, 0.12);
    --border-active: rgba(148, 163, 184, 0.25);

    /* Adapter accent colors */
    --newton: #3b82f6;
    --davinci: #f59e0b;
    --empathy: #a855f7;
    --philosophy: #10b981;
    --quantum: #ef4444;
    --consciousness: #e2e8f0;
    --multi_perspective: #f97316;
    --systems_architecture: #06b6d4;
    --base: #94a3b8;

    /* Active accent (changes dynamically) */
    --accent: var(--base);
    --accent-glow: rgba(148, 163, 184, 0.15);

    /* Layout */
    --sidebar-width: 320px;
    --header-height: 56px;
    --input-height: 80px;
    --status-height: 36px;
    --radius: 12px;
    --radius-sm: 8px;
}

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

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

/* ── Layout ── */
.app {
    display: flex;
    height: 100vh;
}

.main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.side-panel {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s ease;
}

.side-panel.collapsed {
    width: 0;
    border: none;
}

/* ── Header ── */
.header {
    height: var(--header-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent), var(--text-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.5s ease;
}

.adapter-dots {
    display: flex;
    gap: 4px;
    align-items: center;
}

.adapter-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0.3;
    transition: all 0.3s ease;
}

.adapter-dot.available { opacity: 0.6; }
.adapter-dot.active {
    opacity: 1;
    box-shadow: 0 0 8px currentColor;
    transform: scale(1.3);
}

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

.header-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.header-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    background: var(--accent-glow);
}

/* ── Chat Area ── */
.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

.chat-area::-webkit-scrollbar { width: 6px; }
.chat-area::-webkit-scrollbar-track { background: transparent; }
.chat-area::-webkit-scrollbar-thumb {
    background: var(--border-active);
    border-radius: 3px;
}

.message {
    max-width: 800px;
    margin: 0 auto 16px;
    animation: messageIn 0.3s ease;
}

@keyframes messageIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.message-user {
    text-align: right;
}

.message-user .bubble {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    display: inline-block;
    text-align: left;
    padding: 12px 16px;
    border-radius: var(--radius) var(--radius) 4px var(--radius);
    max-width: 85%;
}

.message-assistant .bubble {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    padding: 12px 16px;
    border-radius: 4px var(--radius) var(--radius) var(--radius);
    backdrop-filter: blur(10px);
    max-width: 100%;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--text-muted);
}

.adapter-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid currentColor;
    opacity: 0.9;
}

.confidence-bar {
    width: 40px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
}

.message-text {
    word-wrap: break-word;
    overflow-wrap: break-word;
    font-size: 14px;
    line-height: 1.7;
}

/* Keep pre-wrap only for user messages (no markdown rendering) */
.message-user .message-text {
    white-space: pre-wrap;
}

.message-meta {
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-muted);
}

/* Perspectives expandable */
.tools-badge {
    margin-top: 8px;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 12px;
    color: #10b981;
    font-size: 11px;
    display: inline-block;
}

.perspectives-toggle {
    margin-top: 10px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 12px;
    transition: all 0.2s;
}

.perspectives-toggle:hover {
    background: rgba(255,255,255,0.06);
    color: var(--text-primary);
}

.perspectives-panel {
    display: none;
    margin-top: 10px;
    gap: 8px;
}

.perspectives-panel.open { display: flex; flex-direction: column; }

.perspective-card {
    padding: 10px 14px;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
    font-size: 13px;
    line-height: 1.6;
}

.perspective-card-header {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

/* Thinking indicator */
.thinking {
    max-width: 800px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 13px;
}

.thinking-dots {
    display: flex;
    gap: 4px;
}

.thinking-dots span {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 1.2s infinite;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
    0%, 100% { opacity: 0.3; transform: scale(0.8); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* ── Controls Row ── */
.controls {
    padding: 8px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    flex-shrink: 0;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.control-group select,
.control-group input[type="range"] {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
}

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

/* ── Input Area ── */
.input-area {
    padding: 12px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}

.input-row {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

#chat-input {
    width: 100%;
    min-height: 44px;
    max-height: 120px;
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    resize: none;
    line-height: 1.5;
    transition: border-color 0.2s;
}

#chat-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

#chat-input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius);
    background: var(--accent);
    color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.send-btn:hover { transform: scale(1.05); filter: brightness(1.15); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.mic-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s;
    flex-shrink: 0;
}

.mic-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.mic-btn.recording {
    border-color: var(--quantum);
    color: var(--quantum);
    animation: pulse 1s infinite;
}

/* ── Status Bar ── */
.status-bar {
    height: var(--status-height);
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-dot.ready { background: #10b981; }
.status-dot.loading { background: #f59e0b; animation: pulse 1s infinite; }
.status-dot.error { background: #ef4444; }

/* ── Side Panel ── */
.side-section {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

.side-section-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* Metrics */
.metric-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 12px;
}

.metric-label {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.metric-value {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

.metric-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-top: 4px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    border-radius: 2px;
    transition: width 0.5s ease;
}

/* Coverage dots */
.coverage-dots {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.coverage-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid currentColor;
    opacity: 0.25;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    transition: all 0.3s;
}

.coverage-dot.active {
    opacity: 1;
    box-shadow: 0 0 8px currentColor;
}

/* Spiderweb canvas */
#spiderweb-canvas {
    width: 100%;
    height: 200px;
    border-radius: var(--radius-sm);
    background: rgba(0,0,0,0.3);
}

/* Session list */
.session-item {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    transition: all 0.2s;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ── Loading Screen ── */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: opacity 0.5s;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #3b82f6, #a855f7, #f59e0b);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.loading-status {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.loading-bar {
    width: 200px;
    height: 3px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
}

.loading-bar-fill {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, #3b82f6, #a855f7);
    border-radius: 2px;
    animation: loadSlide 1.5s ease infinite;
}

@keyframes loadSlide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

/* ── Welcome State ── */
.welcome {
    max-width: 600px;
    margin: 0 auto;
    padding: 60px 20px;
    text-align: center;
}

.welcome h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.welcome p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.welcome-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    text-align: left;
}

.welcome-card {
    padding: 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
}

.welcome-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.welcome-card-title {
    font-weight: 600;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.welcome-card-desc {
    color: var(--text-muted);
    font-size: 11px;
}

/* ── Markdown Rendering ── */
.md-h1 {
    font-size: 18px;
    font-weight: 700;
    margin: 12px 0 6px;
    color: var(--text-primary);
}

.md-h2 {
    font-size: 16px;
    font-weight: 600;
    margin: 10px 0 4px;
    color: var(--text-primary);
}

.md-h3 {
    font-size: 14px;
    font-weight: 600;
    margin: 8px 0 4px;
    color: var(--text-secondary);
}

.md-li {
    padding-left: 16px;
    position: relative;
    margin: 2px 0;
}

.md-li::before {
    content: '\2022';
    position: absolute;
    left: 4px;
    color: var(--accent);
}

.md-oli::before {
    content: counter(md-ol) '.';
    counter-increment: md-ol;
}

.code-block {
    background: rgba(0,0,0,0.4);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    margin: 8px 0;
    overflow-x: auto;
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', monospace;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre;
}

.code-block code {
    background: none;
    padding: 0;
    border: none;
    font-size: inherit;
}

.inline-code {
    background: rgba(148, 163, 184, 0.15);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 4px;
    padding: 1px 5px;
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 0.9em;
}

.message-text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.message-text em {
    color: var(--text-secondary);
    font-style: italic;
}

/* ── Subsystem Panels ── */
.nexus-risk-dots {
    display: flex;
    gap: 4px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.risk-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transition: all 0.3s;
}

.risk-dot.low { background: var(--philosophy); opacity: 0.6; }
.risk-dot.medium { background: var(--davinci); opacity: 0.8; }
.risk-dot.high { background: var(--quantum); opacity: 1; box-shadow: 0 0 6px var(--quantum); }

.memory-emotions {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 8px;
}

.emotion-tag {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: var(--text-secondary);
}

.emotion-tag.active {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.4);
    color: var(--empathy);
}

.trend-improving { color: var(--philosophy) !important; }
.trend-declining { color: var(--quantum) !important; }
.trend-stable { color: var(--text-secondary) !important; }

.peak-active {
    color: var(--davinci) !important;
    text-shadow: 0 0 8px var(--davinci);
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .side-panel {
        display: none;
        position: fixed;
        right: 0; top: 0; bottom: 0;
        z-index: 50;
        box-shadow: -8px 0 24px rgba(0,0,0,0.5);
    }
    /* On mobile, un-collapsing the panel shows it as an overlay */
    .side-panel:not(.collapsed) {
        display: flex;
    }
    .welcome-grid { grid-template-columns: 1fr; }
}