/* ================================================================
   MIXER STRIP - body layout, top strip, channels, action buttons, arm-colors dropdown
   (part of former mixer-layout.css, lines 1-404; cascade order preserved)
   ================================================================ */
/* ================================================================
   MIXER LAYOUT - Audio mixer-inspired UI
   ================================================================ */

/* ── BODY LAYOUT: column instead of row ── */
body {
    flex-direction: column !important;
}

/* Hide old sidebar - content moved to mixer strip + sidebar-right */
body > .controls {
    display: none !important;
}

/* ── MIXER STRIP (top bar) ── */
#mixer-strip {
    flex: 0 0 auto;
    display: flex;
    align-items: stretch;
    background: linear-gradient(180deg, #13171f, #0b0e14);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    padding: 0 4px;
    z-index: 150;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 1px;
    color: white;
}

#mixer-strip::-webkit-scrollbar {
    height: 3px;
}
#mixer-strip::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.12);
    border-radius: 2px;
}

/* ── Channel strip ── */
.mixer-channel {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Center a tight label/fader/value cluster regardless of strip height —
       space-between scattered the three across the full height whenever a
       taller sibling (e.g. wrapped presets) stretched the strip */
    justify-content: center;
    gap: 4px;
    padding: 2px 10px;
    min-width: 92px;
    flex: 1 0 auto;
    max-width: 150px;
    background: rgba(255, 255, 255, 0.015);
    border-right: 1px solid rgba(255, 255, 255, 0.03);
    position: relative;
}

/* Accent top border per channel type */
.mixer-channel[data-accent="blue"]   { border-top: 2px solid rgba(88, 166, 255, 0.45); }
.mixer-channel[data-accent="orange"] { border-top: 2px solid rgba(255, 170, 80, 0.45); }
.mixer-channel[data-accent="green"]  { border-top: 2px solid rgba(80, 220, 140, 0.45); }
.mixer-channel[data-accent="purple"] { border-top: 2px solid rgba(180, 130, 255, 0.45); }
.mixer-channel[data-accent="yellow"] { border-top: 2px solid rgba(255, 220, 80, 0.45); }
.mixer-channel[data-accent="cyan"]   { border-top: 2px solid rgba(80, 210, 255, 0.45); }
.mixer-channel[data-accent="pink"]   { border-top: 2px solid rgba(255, 130, 170, 0.45); }

.ch-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.55);
    white-space: nowrap;
    text-align: center;
    font-weight: 700;
    line-height: 1.2;
}

/* Header row above each fader: label top-left, value top-right */
.ch-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    gap: 6px;
    min-width: 0;
}
.ch-header .ch-label {
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}
.ch-header .ch-value {
    text-align: right;
    flex-shrink: 0;
}

.ch-fader {
    width: 100%;
    display: flex;
    align-items: center;
    flex: 0 0 auto;
}

.ch-fader input[type="range"] {
    width: 100%;
    --track-h: 0.45em;
    --input-p: 0.35em;
    --thumb-h: 1.1em;
    --thumb-w: 0.6em;
    --thumb-r: 3px;
    --track-fill-alpha: 0.85;
    background: linear-gradient(#1a1a1a, #222 20%, #333, #282828);
    box-shadow: 0 1px 1px rgba(255, 255, 255, 0.06),
                inset 0 1px 0 1px #0a0a0a;
}

.ch-value {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: #4fc3f7;
    text-align: center;
    line-height: 1.2;
    min-height: 16px;
    letter-spacing: 0.3px;
    font-weight: 700;
}

/* Multiplier value doubles as the per-arm-colors button (gold, clickable) */
.ch-value.arm-colors-trigger {
    cursor: pointer;
    padding: 1px 8px;
    min-height: 0;
    border-radius: 4px;
    color: rgba(255, 220, 80, 0.95);
    background: rgba(255, 220, 80, 0.15);
    border: 1px solid rgba(255, 220, 80, 0.35);
    transition: background 0.15s, border-color 0.15s;
    user-select: none;
}
.ch-value.arm-colors-trigger:hover {
    background: rgba(255, 220, 80, 0.28);
    border-color: rgba(255, 220, 80, 0.6);
}
.ch-value.arm-colors-trigger.active {
    background: rgba(255, 220, 80, 0.34);
    border-color: rgba(255, 220, 80, 0.75);
}

/* ── Color channel ── */
.mixer-channel.ch-wide {
    min-width: 86px;
    max-width: 112px;
    gap: 3px;
}
/* Label sits inline with the swatch on one row (saves a stacked row) */
.ch-color-head {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    width: 100%;
}
.ch-color-head .ch-label {
    line-height: 1;
}

#mixer-strip .ch-color-input,
#mixer-strip input[type="color"] {
    box-sizing: border-box;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
    padding: 0;
    background: transparent;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5),
                inset 0 1px 2px rgba(0, 0, 0, 0.3);
}

.ch-toggle {
    font-size: 10px;
    display: flex;
    align-items: center;
    gap: 3px;
    color: rgba(255,255,255,0.45);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}
.ch-toggle input[type="checkbox"] {
    width: 11px;
    height: 11px;
    margin: 0;
}

/* Toggle row (side-by-side text toggles) */
.ch-toggle-row {
    display: flex;
    gap: 3px;
    width: 100%;
    height: 16px;
    flex-shrink: 0;
}
.ch-toggle-row .ch-text-toggle {
    flex: 1;
    min-width: 0;
    height: 16px;
}

/* Text-only toggle button (lights up when active) */
.ch-text-toggle {
    all: unset;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 16px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    padding: 0 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(255, 255, 255, 0.02);
    white-space: nowrap;
    text-align: center;
    line-height: 1;
    user-select: none;
    min-width: 52px;
    outline: none;
}
.ch-text-toggle:hover {
    opacity: 0.8;
}
.ch-text-toggle.active {
    color: #4fc3f7;
    text-shadow: 0 0 6px rgba(79, 195, 247, 0.5),
                 0 0 14px rgba(79, 195, 247, 0.2);
    background: rgba(79, 195, 247, 0.08);
    border-color: rgba(79, 195, 247, 0.2);
}
.ch-text-toggle.active:hover {
    opacity: 0.85;
}

/* ── Mixer divider ── */
.mixer-divider {
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255,255,255,0.08), transparent);
    margin: 6px 3px;
    align-self: stretch;
    flex-shrink: 0;
}

/* ── Transport column (play/pause · clear · freeze) ── */
.mixer-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 3px;
    padding: 2px 10px;
    flex-shrink: 0;
}
#mixer-strip .mixer-actions button,
.mixer-actions .transport-btn {
    all: unset;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 64px;
    height: 20px;
    padding: 0 10px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    line-height: 1;
    transition: background 0.15s, border-color 0.15s;
}
#mixer-strip .mixer-actions button:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.2);
}
/* Paused state: play icon lit */
#mixer-strip .mixer-actions #pauseBtn.active {
    background: rgba(79, 195, 247, 0.18);
    border-color: rgba(79, 195, 247, 0.45);
    color: #4fc3f7;
}
/* Frozen state: stop sign lit */
#mixer-strip .mixer-actions #freezeBtn.active {
    background: rgba(255, 100, 100, 0.18);
    border-color: rgba(255, 100, 100, 0.45);
}
/* Pause + freeze share one compact row (smaller than the full-width Clear).
   ID-bearing selector so it outranks `#mixer-strip .mixer-actions button`. */
.mixer-actions .transport-row {
    display: flex;
    gap: 5px;
}
#mixer-strip .mixer-actions .transport-row button {
    flex: 1 1 0;
    min-width: 0;
    height: 20px;
    padding: 0;
    font-size: 12px;
}

/* Preset buttons in mixer strip */
.mixer-presets {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    padding: 2px 10px;
    align-items: center;
    align-content: flex-start;
    /* Flex into whatever space the channels leave over so wide screens
       don't end up with a dead gap before the preset chips — but NEVER
       set the strip's height: on narrow windows the chips wrap into many
       rows, so cap the block and scroll internally instead of letting it
       balloon the whole strip. */
    flex: 1 1 280px;
    min-width: 240px;
    max-width: none;
    align-self: center;
    max-height: 64px;
    overflow-y: auto;
}
.mixer-presets::-webkit-scrollbar {
    width: 4px;
}
.mixer-presets::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.12);
    border-radius: 2px;
}
.mixer-presets button,
#mixer-strip .mixer-presets button {
    all: unset !important;
    box-sizing: border-box !important;
    padding: 3px 8px !important;
    font-size: 10px !important;
    border-radius: 3px !important;
    background: rgba(255,255,255,0.08) !important;
    color: rgba(255,255,255,0.7) !important;
    border: 1px solid rgba(255,255,255,0.1) !important;
    cursor: pointer !important;
    line-height: 1.2 !important;
    font-weight: 500 !important;
}
.mixer-presets button:hover {
    opacity: 0.8;
}
/* Separator between built-in and user presets */
.preset-sep {
    width: 1px;
    height: 18px;
    background: rgba(255,255,255,0.15);
    margin: 0 3px;
    flex-shrink: 0;
}
/* User preset buttons in mixer strip */
.mixer-user-presets {
    display: contents;
}
#mixer-strip .mixer-user-preset-btn {
    all: unset;
    box-sizing: border-box;
    padding: 4px 8px;
    font-size: 9px;
    border-radius: 3px;
    background: rgba(100,200,255,0.12) !important;
    color: rgba(100,200,255,0.8) !important;
    border: 1px solid rgba(100,200,255,0.2) !important;
    cursor: pointer;
    line-height: 1.2;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
}
#mixer-strip .mixer-user-preset-btn:hover {
    opacity: 0.8;
}
#mixer-strip .mixer-user-preset-btn.active {
    background: rgba(100,200,255,0.3);
    border-color: rgba(100,200,255,0.5);
    color: white;
    font-weight: 600;
}
/* Save button */
#mixer-strip .mixer-preset-save {
    all: unset;
    box-sizing: border-box;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 3px;
    background: rgba(63,185,80,0.15) !important;
    color: rgba(63,185,80,0.9) !important;
    border: 1px solid rgba(63,185,80,0.25) !important;
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
}
#mixer-strip .mixer-preset-save:hover {
    opacity: 0.8;
}
/* Inline name input */
.mixer-preset-name-input {
    width: 80px;
    padding: 2px 5px;
    font-size: 9px;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(100,200,255,0.3);
    border-radius: 3px;
    color: white;
    outline: none;
    flex-shrink: 0;
}
.mixer-preset-name-input:focus {
    border-color: rgba(100,200,255,0.6);
}

/* ── Arm Colors Dropdown Toggle ── */
.arm-colors-toggle {
    all: unset;
    box-sizing: border-box;
    width: 22px;
    height: 22px;
    padding: 0;
    font-size: 12px;
    background: rgba(255, 220, 80, 0.15) !important;
    border: 1px solid rgba(255, 220, 80, 0.3) !important;
    border-radius: 4px;
    color: rgba(255, 220, 80, 0.9) !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 4px;
}
.arm-colors-toggle:hover {
    background: rgba(255, 220, 80, 0.25) !important;
}

/* Arm Colors Panel */
.arm-colors-panel {
    background: rgba(15, 20, 27, 0.98);
    border: 1px solid rgba(255, 220, 80, 0.25);
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}
.arm-colors-header {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 220, 80, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.arm-colors-rows {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.arm-colors-hint {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
    padding: 8px;
}
.arm-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
}
.arm-label {
    font-size: 11px;
    font-weight: 600;
    color: rgba(255, 220, 80, 0.8);
    min-width: 16px;
}
.arm-picker {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.15);
    cursor: pointer;
    padding: 0;
    background: transparent;
}
.arm-mode-wrap {
    display: flex;
    gap: 3px;
}