/* RPi Audio Mixer — Web UI Styles */

:root {
    --bg: #1a1a2e;
    --panel: #16213e;
    --accent: #e94560;
    --text: #eee;
    --text-dim: #888;
    --fader-track: #0f3460;
    --fader-thumb: #e94560;
    --btn-bg: #0f3460;
    --btn-hover: #1a4a7a;
    --channel-bg: #1a1a3e;
    --connected: #00cc66;
    --disconnected: #ff4444;
    --warning: #ffaa00;
}

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

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

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

/* Toolbar */
#toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--panel);
    border-bottom: 2px solid var(--accent);
    flex-shrink: 0;
}

#toolbar h1 {
    font-size: 1.2rem;
    color: var(--accent);
}

#connection {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#connection input {
    padding: 0.3rem 0.5rem;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--text-dim);
    border-radius: 4px;
    font-size: 0.85rem;
}

#connection button {
    padding: 0.3rem 0.8rem;
    background: var(--btn-bg);
    color: var(--text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

#connection button:hover { background: var(--btn-hover); }
#connection button:disabled { opacity: 0.5; cursor: not-allowed; }

.status {
    font-size: 0.85rem;
    font-weight: bold;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.status.connected { color: var(--connected); }
.status.disconnected { color: var(--disconnected); }
.status.connecting { color: var(--warning); }

/* Transport */
#transport-bar {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 1rem;
    background: var(--panel);
    border-bottom: 1px solid #333;
    flex-shrink: 0;
}

.tbtn {
    padding: 0.3rem 0.8rem;
    background: var(--btn-bg);
    color: var(--text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    min-width: 40px;
}

.tbtn:hover { background: var(--accent); }
.tbtn.active { background: var(--accent); }

#tempo-display, #time-display {
    margin-left: 1rem;
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Mixer area */
#mixer {
    display: flex;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5rem;
    gap: 0.5rem;
    min-height: 0;
}

#channels {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    overflow-x: auto;
}

.channel-strip {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--channel-bg);
    border-radius: 8px;
    padding: 0.5rem;
    min-width: 80px;
    flex-shrink: 0;
    gap: 0.3rem;
}

.channel-strip h4 {
    font-size: 0.75rem;
    color: var(--accent);
    white-space: nowrap;
}

.fader-v {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-height: 120px;
}

.fader-v input[type="range"] {
    writing-mode: bt-lr;
    -webkit-appearance: slider-vertical;
    width: 24px;
    height: 120px;
    flex: 1;
    min-height: 80px;
    background: var(--fader-track);
    accent-color: var(--fader-thumb);
}

.fader-label {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.fader-value {
    font-size: 0.7rem;
    color: var(--accent);
    font-weight: bold;
}

.chan-buttons {
    display: flex;
    gap: 0.2rem;
}

.chan-btn {
    padding: 0.15rem 0.4rem;
    font-size: 0.65rem;
    background: var(--btn-bg);
    color: var(--text);
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.chan-btn:hover { background: var(--btn-hover); }
.chan-btn.muted { background: var(--accent); }
.chan-btn.soloed { background: var(--warning); color: #000; }

.pan-knob {
    width: 40px;
    text-align: center;
}

.pan-knob input { width: 100%; accent-color: var(--accent); }
.pan-value { font-size: 0.65rem; color: var(--text-dim); }

/* Master section */
#master-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--channel-bg);
    border-radius: 8px;
    padding: 0.5rem;
    min-width: 100px;
    border-left: 2px solid var(--accent);
    flex-shrink: 0;
}

#master-section h3 {
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

#master-section .fader-v input[type="range"] {
    height: 160px;
}

.master-controls {
    display: flex;
    gap: 0.2rem;
    margin-top: 0.5rem;
}

.master-controls button {
    padding: 0.2rem 0.5rem;
    font-size: 0.7rem;
    background: var(--btn-bg);
    color: var(--text);
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

.master-controls button:hover { background: var(--btn-hover); }
.master-controls button.active { background: var(--accent); }

/* Log panel */
#log-panel {
    background: var(--panel);
    border-top: 1px solid #333;
    padding: 0.5rem;
    flex-shrink: 0;
    max-height: 150px;
    overflow: hidden;
}

#log-panel h3 {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.3rem;
}

#log {
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 0.7rem;
    color: var(--text-dim);
    max-height: 110px;
    overflow-y: auto;
    line-height: 1.3;
}

#log .log-param { color: var(--accent); }
#log .log-state { color: var(--connected); }
#log .log-error { color: var(--disconnected); }
#log .log-info { color: var(--text-dim); }