/* ===================================================================
   ADG 3D Engine — Sequencer & Lighting Panel
   Apple-style control center bar + modernized sidebar tabs
   =================================================================== */

/* ── Sequencer Bar (Bottom floating) ── */
.sequencer-bar {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1200px;
    background: var(--glass-bg-thick);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--separator-light);
    border-radius: var(--radius-lg);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    z-index: var(--z-sidebar);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
    flex-wrap: wrap;
    animation: seqSlideUp var(--duration-enter) var(--ease-spring);
}

@keyframes seqSlideUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

/* ── Sequencer Collapse State ── */
.sequencer-bar {
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), padding 0.3s ease, width 0.3s ease;
}

.sequencer-bar.collapsed {
    transform: translateX(-50%) translateY(calc(100% - 24px));
    padding: 2px 12px;
    width: auto;
    border-radius: 12px 12px 0 0;
    cursor: pointer;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
}

.sequencer-bar.collapsed>* {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.sequencer-bar.collapsed .seq-collapse-btn {
    opacity: 1;
    pointer-events: auto;
    transform: rotate(180deg);
}

.seq-collapse-btn {
    position: absolute;
    top: -12px;
    right: 20px;
    width: 24px;
    height: 24px;
    background: var(--fill-tertiary, #333);
    border: 1px solid var(--separator-light, #555);
    border-radius: 50%;
    color: var(--text-secondary, #aaa);
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.seq-collapse-btn:hover {
    background: var(--accent, #007bff);
    color: white;
    border-color: var(--accent-light, #3399ff);
}

/* ── Sequencer Sections ── */
.seq-section {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
}

.seq-label {
    font: 600 10px/1 var(--font-sans);
    color: var(--text-tertiary);
    letter-spacing: 0.8px;
    text-transform: uppercase;
    white-space: nowrap;
    margin-right: 2px;
}

/* ── Transport Buttons ── */
.seq-transport {
    display: flex;
    align-items: center;
    gap: 4px;
}

.seq-transport .btn {
    min-width: 36px;
    height: 28px;
    padding: 0 8px;
    font-size: 13px;
}

/* Record button */
.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border: none;
}

.btn-danger:hover {
    background: #ff6259;
}

/* ── Loop Checkbox ── */
.seq-loop {
    display: flex;
    align-items: center;
    gap: 4px;
}

.seq-loop input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
}

.seq-loop label {
    font: 400 11px/1 var(--font-sans);
    color: var(--text-secondary);
    cursor: pointer;
}

/* ── Scenario Macros ── */
.seq-macros {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--fill-quaternary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--separator-light);
    overflow-x: auto;
    scrollbar-width: none;
}

.seq-macros::-webkit-scrollbar {
    display: none;
}

.seq-macros .seq-label {
    color: var(--color-warning);
    font-size: 9px;
}

.btn-macro {
    font: 500 11px/1 var(--font-sans);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--separator);
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--duration-fast) var(--ease-default);
}

.btn-macro:hover {
    background: var(--fill-tertiary);
    border-color: var(--accent);
    color: var(--text-primary);
}

.btn-macro:active {
    transform: scale(0.95);
}

.btn-macro.stop {
    color: var(--text-secondary);
}

/* ── BPM Control ── */
.seq-bpm {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--fill-quaternary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--separator-light);
}

.seq-bpm .seq-label {
    color: var(--accent);
    font-size: 9px;
}

.seq-bpm input[type="range"] {
    width: 72px;
    accent-color: var(--accent);
    height: 4px;
}

.seq-bpm .bpm-value {
    font: 500 11px/1 var(--font-sans);
    color: var(--text-primary);
    min-width: 22px;
    text-align: right;
}

/* ── Cue Timeline ── */
.seq-timeline {
    flex: 1;
    min-width: 120px;
    margin: 0 4px;
    height: 36px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    overflow-x: auto;
    padding: 0 6px;
    gap: 4px;
    border: 1px solid var(--separator-light);
}

.seq-timeline-empty {
    color: var(--text-quaternary);
    font: 400 11px/1 var(--font-sans);
    width: 100%;
    text-align: center;
}

/* ── Right Controls Group ── */
.seq-right {
    display: flex;
    align-items: center;
    gap: 6px;
    border-left: 1px solid var(--separator-light);
    padding-left: 8px;
}

.seq-haze {
    display: flex;
    align-items: center;
    gap: 4px;
}

.seq-haze .seq-label {
    font-size: 9px;
}

.seq-haze input[type="range"] {
    width: 52px;
    accent-color: var(--color-teal);
}

.seq-haze .haze-value {
    font: 400 10px/1 var(--font-sans);
    color: var(--text-primary);
    min-width: 22px;
}

/* ── Timecode Display ── */
.seq-timecode {
    display: flex;
    align-items: center;
    gap: 3px;
}

.tc-display {
    font: 400 11px/1 var(--font-mono);
    color: var(--color-success);
    background: rgba(0, 0, 0, 0.4);
    padding: 3px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--separator-light);
    letter-spacing: 0.5px;
}

.btn-tc {
    font: 500 9px/1 var(--font-sans);
    padding: 2px 5px;
    border-radius: 3px;
    border: 1px solid var(--separator);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--duration-fast);
}

.btn-tc:hover {
    background: var(--fill-quaternary);
}

/* ── Divider ── */
.seq-divider {
    width: 1px;
    height: 18px;
    background: var(--separator-light);
    margin: 0 2px;
}

/* ── Clear & Patch Buttons ── */
.btn-sm {
    font: 500 11px/1 var(--font-sans);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.btn-info {
    background: var(--fill-quaternary);
    border: 1px solid var(--separator);
    color: var(--text-primary);
}

.btn-info:hover {
    background: var(--fill-tertiary);
}

/* ===================================================================
   Lighting Sidebar Tabs (Apple Segmented Control)
   =================================================================== */

.lighting-tabs {
    display: flex;
    background: var(--fill-quaternary);
    border-radius: var(--radius-sm);
    padding: 2px;
    margin: 0;
}

.lighting-tab {
    flex: 1;
    padding: 7px 0;
    text-align: center;
    cursor: pointer;
    font: 500 12px/1 var(--font-sans);
    color: var(--text-secondary);
    border: none;
    background: transparent;
    border-radius: calc(var(--radius-sm) - 2px);
    transition: all var(--duration-fast) var(--ease-default);
    user-select: none;
}

.lighting-tab:hover {
    color: var(--text-primary);
}

.lighting-tab.active {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* ── Placement Mode Toggle ── */
.placement-toggle {
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--separator-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.placement-label {
    font: 400 11px/1 var(--font-sans);
    color: var(--text-secondary);
}

.placement-btns {
    display: flex;
    gap: 2px;
    background: var(--fill-quaternary);
    padding: 2px;
    border-radius: var(--radius-sm);
}

.btn-place {
    border: none;
    padding: 4px 10px;
    border-radius: calc(var(--radius-sm) - 2px);
    font: 500 11px/1 var(--font-sans);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-default);
    background: transparent;
    color: var(--text-secondary);
}

.btn-place.active {
    background: var(--accent);
    color: #fff;
}

/* ── Fixture Library Category ── */
.fixture-category {
    margin-bottom: 4px;
}

.fixture-category-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    cursor: pointer;
    font: 500 12px/1 var(--font-sans);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast);
    user-select: none;
}

.fixture-category-header:hover {
    background: var(--fill-quaternary);
}

.fixture-category-header .cat-icon {
    font-size: 14px;
}

.fixture-category-header .cat-chevron {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-tertiary);
    transition: transform var(--duration-fast);
}

.fixture-category.open .cat-chevron {
    transform: rotate(90deg);
}

.fixture-subcategory {
    padding-left: 12px;
}

/* ── Fixture Item (Draggable) ── */
.fixture-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    cursor: grab;
    border-radius: var(--radius-sm);
    transition: background var(--duration-fast);
    font: 400 12px/1 var(--font-sans);
    color: var(--text-secondary);
}

.fixture-item:hover {
    background: var(--fill-quaternary);
    color: var(--text-primary);
}

.fixture-item:active {
    cursor: grabbing;
    background: var(--accent-dim);
}

.fixture-item .fixture-icon {
    font-size: 16px;
    width: 24px;
    text-align: center;
}

.fixture-item .fixture-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fixture-item .fixture-count {
    font: var(--text-caption);
    color: var(--text-quaternary);
    background: var(--fill-quaternary);
    padding: 1px 5px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}