body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #111115;
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 10px 80px 10px;
    margin: 0;
    user-select: none;
}

/* Sticky South Footer */
.sticky-south-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    background: #111118;
    border-top: 2px solid #6366f1;
    padding: 10px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9900;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.7);
}
.sticky-south-footer .footer-content {
    max-width: 1020px;
    width: 90%;
    display: flex;
    justify-content: center;
}
.save-settings-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #042f2e;
    font-weight: 900;
    letter-spacing: 1.5px;
    font-size: 1rem;
    padding: 12px 36px;
    border-radius: 10px;
    border: 1px solid #34d399;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
    width: auto;
}
.save-settings-btn:hover {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    box-shadow: 0 0 22px rgba(16, 185, 129, 0.6);
    transform: translateY(-2px);
}
.save-settings-btn:active {
    transform: translateY(0);
}
header {
    text-align: center;
    margin-top: 15px;
    margin-bottom: 5px;
}
h1 { margin: 0; color: #6366f1; font-size: 1.4rem; letter-spacing: 1px; }
.subtitle { margin: 3px 0 0 0; color: #94a3b8; font-style: italic; font-size: 0.8rem; }

.container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 1020px;
    width: 100%;
    margin-top: 5px;
}
.panel {
    background: #1a1a22;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    flex: 1;
    min-width: 340px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid #2d2d3d;
}

/* Clock Vector System */
#clock-svg {
    width: 230px;
    height: 230px;
    background: #232330;
    border-radius: 50%;
    border: 4px solid #475569;
    cursor: pointer;
    touch-action: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}
#clock-svg.locked {
    border-color: #f59e0b;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.35);
}
#clock-svg.locked .lock-overlay {
    display: block !important;
}
.lock-toggle-btn {
    background: #232330;
    border: 1px solid #475569;
    color: #94a3b8;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-sizing: border-box;
}
.lock-toggle-btn:hover {
    color: #f59e0b;
    border-color: #f59e0b;
    box-shadow: 0 0 8px rgba(245, 158, 11, 0.4);
}
.lock-toggle-btn.active {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border-color: #f59e0b;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
}
.hand {
    stroke-linecap: round;
    transform-origin: 125px 125px;
    cursor: grab;
    transition: stroke 0.2s;
}
.hand:active { cursor: grabbing; stroke: #10b981; }
#hour-hand { stroke: #ef4444; stroke-width: 7; }
#minute-hand { stroke: #3b82f6; stroke-width: 5; }

.clock-text {
    font-size: 14px;
    font-family: 'Segoe UI', sans-serif;
    font-weight: bold;
    fill: #94a3b8;
    text-anchor: middle;
    dominant-baseline: middle;
}

/* Time Row Elements */
.time-row {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 15px 0 10px 0;
}
.time-display {
    font-size: 2.2rem;
    font-family: monospace;
    color: #10b981;
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}
.ampm-btn {
    background: #334155;
    color: #f1f5f9;
    border: 1px solid #475569;
    padding: 6px 12px;
    font-size: 0.9rem;
    font-weight: bold;
    border-radius: 6px;
    cursor: pointer;
    width: auto;
}
.ampm-btn:hover { background: #475569; }

input[type="date"] {
    background: #232330;
    border: 1px solid #475569;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 1rem;
    width: 80%;
    text-align: center;
    outline: none;
}

/* Displays */
.data-item {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin: 8px 0;
    border-bottom: 1px solid #2a2a3a;
    padding-bottom: 6px;
}
.data-column {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin: 8px 0;
    border-bottom: 1px solid #2a2a3a;
    padding-bottom: 6px;
}
.data-val { font-weight: bold; color: #a78bfa; text-align: right; max-width: 65%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;}

/* Chord Streaming Elements Layout */
.chord-stream-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
    width: 100%;
}
.chord-token {
    padding: 6px 10px;
    background: #232330;
    border: 1px solid #334155;
    border-radius: 6px;
    font-weight: bold;
    font-family: monospace;
    color: #94a3b8;
    transition: all 0.15s ease;
    font-size: 0.85rem;
    min-width: 32px;
    text-align: center;
}
.chord-token.active-chord {
    background: #10b981;
    color: #111115;
    border-color: #34d399;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.4);
    transform: scale(1.05);
}

/* Virtual Keyboard Architecture */
.keyboard-wrapper {
    width: 100%;
    margin-top: 12px;
    background: #111115;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid #2d2d3d;
    box-sizing: border-box;
}
.kb-white { fill: #f8fafc; stroke: #1e293b; stroke-width: 1; }
.kb-black { fill: #1e293b; stroke: #0f172a; stroke-width: 1; }
.kb-white.active-key { fill: #6366f1; }
.kb-black.active-key { fill: #818cf8; }

/* Interactive Controls Layout */
.selector-container {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    margin: 6px 0;
}
select, input[type="range"] {
    background: #232330;
    border: 1px solid #475569;
    color: #10b981;
    border-radius: 8px;
    font-weight: bold;
    font-size: 0.95rem;
    cursor: pointer;
    width: 180px;
    max-width: 60%;
    box-sizing: border-box;
    outline: none;
}

select {
    padding: 8px 12px;
}

input[type="range"] {
    padding: 0;
    height: 8px;
    cursor: pointer;
}

/* Splash Overlay Interlock */
#splash-lock {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(10,10,14,0.96);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.splash-box {
    background: #1a1a22;
    padding: 40px;
    border-radius: 20px;
    border: 2px solid #6366f1;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}
.splash-btn {
    background: #4f46e5;
    padding: 16px 32px;
    font-size: 1.2rem;
    margin-top: 20px;
    border-radius: 10px;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4); }
    70% { transform: scale(1.03); box-shadow: 0 0 0 14px rgba(99, 102, 241, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(99, 102, 241, 0); }
}

.btn-group {
    display: flex;
    flex-direction: row;
    gap: 15px;
    margin-top: 15px;
    justify-content: center;
}
button {
    color: white;
    border: none;
    padding: 12px 20px;
    font-size: 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.2s;
    width: 100%;
}
.engine-btn {
    background: #4f46e5;
    border: 1px solid #6366f1;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease-in-out;
}
.engine-btn:hover {
    background: #4338ca;
    transform: scale(1.05);
}
.engine-btn.active {
    background: #ef4444;
    border-color: #f87171;
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.4);
}
.auto-badge { background: #10b981; color: #111115; font-size: 0.75rem; padding: 2px 6px; border-radius: 4px; font-weight: bold; margin-left: 6px; }

/* Top Section Side-by-Side Flex Layout */
.top-section {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    align-items: center;
    width: 100%;
    background: #1a1a22;
    padding: 15px;
    border-radius: 16px;
    border: 1px solid #2d2d3d;
    box-sizing: border-box;
}

.clock-column {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loop-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 280px;
}

.loop-column h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: #a78bfa;
}

/* Lower Section Sub-Tabs Styling */
.lower-section {
    width: 100%;
    margin-top: 0px;
    background: #1a1a22;
    border-radius: 16px;
    border: 1px solid #2d2d3d;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.tabs-nav {
    display: flex;
    background: #111115;
    border-bottom: 1px solid #2d2d3d;
}

.tab-btn {
    flex: 1 1 0%;
    min-width: 0;
    background: transparent;
    border: none;
    padding: 15px;
    color: #94a3b8;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 0;
}

.tab-btn:hover {
    background: #1a1a22;
    color: #e2e8f0;
}

.tab-btn.active {
    background: #1a1a22;
    color: #10b981;
    border-bottom: 3px solid #10b981;
}

.tab-panes {
    width: 100%;
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.tab-pane {
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.settings-card {
    background: #1a1a24;
    border: 1px solid #2d2d3d;
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 10px;
    width: 100%;
    box-sizing: border-box;
}
.settings-card h3 {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.15rem;
    border-bottom: 1px solid #2d2d3d;
    padding-bottom: 8px;
    text-align: left;
}
.kb-white.preview-key {
    fill: #f59e0b;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}
.kb-black.preview-key {
    fill: #d97706;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}
.kb-white.preview-key.fade-in, .kb-black.preview-key.fade-in {
    opacity: 0.65;
}

/* Mixer Console Section */
.mixer-section {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    background: #15151e;
    border: 1px solid #2d2d3d;
    border-radius: 12px;
    padding: 10px;
    margin-bottom: 12px;
    width: 100%;
    box-sizing: border-box;
}
.mixer-channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #1d1d28;
    border-radius: 8px;
    padding: 6px 8px;
    border: 1px solid #252535;
    box-sizing: border-box;
}
.mixer-channel span {
    font-size: 0.75rem;
    font-weight: bold;
    color: #94a3b8;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: center;
}
.mixer-channel input[type="range"] {
    width: 100%;
    max-width: 100%;
    height: 6px;
    accent-color: #10b981;
}
#volume-arp1-boost {
    accent-color: #6366f1;
}
#volume-arp2-boost {
    accent-color: #f97316;
}
#volume-drum-boost {
    accent-color: #f43f5e;
}
.mixer-readout {
    font-family: monospace;
    font-size: 0.85rem;
    margin-top: 6px;
    font-weight: bold;
}
#volume-chord-boost-readout { color: #10b981; }
#volume-arp1-boost-readout { color: #6366f1; }
#volume-arp2-boost-readout { color: #f97316; }
#volume-drum-boost-readout { color: #f43f5e; }

/* Settings Subtabs Nav */
.settings-subtabs-nav {
    display: flex;
    background: #15151e;
    border-radius: 8px;
    border: 1px solid #2d2d3d;
    margin-bottom: 20px;
    width: 100%;
    overflow: hidden;
}
.settings-subtab-btn {
    flex: 1 1 0%;
    min-width: 0;
    background: transparent;
    border: none;
    padding: 10px 15px;
    color: #94a3b8;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 0;
    font-size: 0.9rem;
    text-align: center;
}
.settings-subtab-btn:hover {
    background: #1d1d28;
    color: #e2e8f0;
}
.settings-subtab-btn.active {
    background: #1d1d28;
    color: #10b981;
    border-bottom: 2px solid #10b981;
}
.settings-subtab-pane {
    width: 100%;
}

/* Subtab Specific Colors matching Mixer Channels */
#subtab-chords-pane select,
#subtab-chords-pane select option {
    color: #10b981;
    border-color: #10b981;
}
#subtab-chords-pane input[type="range"],
#subtab-chords-pane input[type="checkbox"] {
    accent-color: #10b981;
}

#subtab-arp1-pane select,
#subtab-arp1-pane select option {
    color: #6366f1;
    border-color: #6366f1;
}
#subtab-arp1-pane input[type="range"],
#subtab-arp1-pane input[type="checkbox"] {
    accent-color: #6366f1;
}

#subtab-arp2-pane select,
#subtab-arp2-pane select option {
    color: #f97316;
    border-color: #f97316;
}
#subtab-arp2-pane input[type="range"],
#subtab-arp2-pane input[type="checkbox"] {
    accent-color: #f97316;
}

#subtab-drums-pane select,
#subtab-drums-pane select option {
    color: #f43f5e;
    border-color: #f43f5e;
}
#subtab-drums-pane input[type="range"],
#subtab-drums-pane input[type="checkbox"] {
    accent-color: #f43f5e;
}
#subtab-drums-pane .mixer-readout {
    color: #f43f5e;
}

@media (max-width: 600px) {
    .mixer-section {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ---------------------------------------------------------------------------
   MIDI Output panel
   --------------------------------------------------------------------------- */

.mixer-channel-midi {
    cursor: pointer;
    justify-content: space-between;
}
.mixer-channel-midi:hover {
    border-color: #22d3ee;
}
#midi-mixer-readout {
    color: #22d3ee;
}

/* Status LED on the mixer strip: dim when idle, lit when a device is bound */
.midi-led {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #334155;
    border: 1px solid #1e293b;
    margin: 2px 0;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}
.midi-led.midi-led-live {
    background: #22d3ee;
    box-shadow: 0 0 8px #22d3ee;
}

.midi-enable-btn,
.midi-panic-btn {
    flex: 1;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #2d2d3d;
    background: #1d1d28;
    color: #e2e8f0;
    font-weight: bold;
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}
.midi-enable-btn:hover:not(:disabled),
.midi-panic-btn:hover {
    border-color: #22d3ee;
    background: #24243a;
}
.midi-enable-btn.active {
    background: #0e7490;
    border-color: #22d3ee;
    color: #ecfeff;
}
.midi-enable-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.midi-panic-btn {
    color: #fca5a5;
}
.midi-panic-btn:hover {
    border-color: #f43f5e;
}

.midi-status {
    font-family: monospace;
    font-size: 0.78rem;
    color: #94a3b8;
    background: #15151f;
    border: 1px solid #252535;
    border-radius: 6px;
    padding: 6px 8px;
    margin: 8px 0;
    word-break: break-word;
}
.midi-status.midi-status-live {
    color: #22d3ee;
    border-color: #155e75;
}

.midi-part-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
}
.midi-part-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    background: #1d1d28;
    border: 1px solid #252535;
    border-radius: 8px;
    padding: 8px 10px;
    box-sizing: border-box;
}
.midi-part-name {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 90px;
    font-size: 0.8rem;
    font-weight: bold;
    color: #cbd5e1;
    cursor: pointer;
}
.midi-part-name span {
    margin-bottom: 0;
}
.midi-part-field {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    color: #94a3b8;
}
.midi-part-field span {
    margin-bottom: 0;
}
.midi-part-field select {
    padding: 3px 6px;
    font-size: 0.75rem;
}
.midi-part-field input[type="range"] {
    width: 90px;
    height: 5px;
    accent-color: #22d3ee;
}
.midi-part-field .mixer-readout {
    margin-top: 0;
    font-size: 0.75rem;
    color: #22d3ee;
    min-width: 26px;
    text-align: right;
}

.midi-hint {
    font-size: 0.72rem;
    color: #64748b;
    line-height: 1.5;
    margin: 10px 0 0 0;
}