/* ========================================
   Pipeline Shader — Global Styles
   ======================================== */

:root[data-theme="dark"] {
    --bg-color: #0a0a0a;
    --panel-bg: #111111;
    --text-main: #ffffff;
    --text-dim: #888888;
    --border-color: #333333;
    --accent-bg: #ffffff;
    --accent-text: #000000;
    --card-inner-stroke: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
    --danger: #ff4444;
    --modal-bg: rgba(0, 0, 0, 0.85);
}

:root[data-theme="light"] {
    --bg-color: #ffffff;
    --panel-bg: #ffffff;
    --text-main: #000000;
    --text-dim: #666666;
    --border-color: #e5e5e5;
    --accent-bg: #000000;
    --accent-text: #ffffff;
    --card-inner-stroke: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
    --danger: #e60000;
    --modal-bg: rgba(255, 255, 255, 0.85);
}

body {
    margin: 0;
    overflow: hidden;
    background-color: var(--bg-color);
    height: 100vh;
    width: 100vw;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: var(--text-main);
    transition: background-color 0.3s ease;
}

.layout {
    display: flex;
    flex-direction: row;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

/* Left canvas area — fills remaining space, centers the card */
.canvas-area {
    flex: 1;
    min-width: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
    overflow: hidden;
    background-color: var(--bg-color);
    transition: background-color 0.3s ease;
}

.card-container {
    position: relative;
    width: 640px;
    height: 360px;
    transform-style: preserve-3d;
    cursor: grab;
}

.card-container:active {
    cursor: grabbing;
}

.card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 0px;
    overflow: hidden;
    background: #000;
    transition: transform 0.1s ease-out, border-radius 0.2s ease, box-shadow 0.3s ease;
    transform: rotateX(0) rotateY(0);
    will-change: transform;
}

canvas {
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#text-canvas {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 5;
}

#noise-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
}

.pan-hud {
    position: absolute;
    bottom: 14px;
    left: 16px;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 10px;
    letter-spacing: 0.8px;
    color: rgba(255, 255, 255, 0.75);
    background: rgba(0, 0, 0, 0.35);
    padding: 3px 8px;
    border-radius: 3px;
    pointer-events: none;
    z-index: 20;
    opacity: 0;
    transition: opacity 0.2s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.pan-hud.visible {
    opacity: 1;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    box-shadow: var(--card-inner-stroke);
    pointer-events: none;
    transition: box-shadow 0.3s ease, opacity 0.2s ease;
}

.card.hide-border::after {
    opacity: 0;
}

/* ── Controls Panel ── */

.controls {
    width: 400px;
    flex-shrink: 0;
    background: var(--panel-bg);
    padding: 20px;
    border-left: 1px solid var(--border-color);
    z-index: 100;
    height: 100vh;
    overflow-y: auto;
    border-radius: 0;
    transition: background 0.3s, border-color 0.3s;
    box-sizing: border-box;
}

.controls::-webkit-scrollbar {
    width: 4px;
}

.controls::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

.header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.header-title {
    font-size: 14px;
    font-weight: bold;
    letter-spacing: -0.5px;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0 10px;
    height: 28px;
    line-height: 28px;
    font-size: 10px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    font-family: inherit;
}

.theme-toggle:hover {
    background: var(--text-main);
    color: var(--panel-bg);
}

.section-title {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-main);
    margin-top: 20px;
    margin-bottom: 10px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.control-group {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.control-group label {
    font-size: 11px;
    color: var(--text-dim);
    flex: 1;
}

.slider-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: flex-end;
    width: 160px;
}

.val-text {
    font-size: 11px;
    color: var(--text-main);
    width: 24px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ── Color List ── */

#color-list {
    margin-bottom: 10px;
}

.color-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    padding: 4px;
    border-radius: 4px;
    border: 1px solid transparent;
    background: rgba(128, 128, 128, 0.05);
    transition: all 0.2s;
}

.color-item.dragging {
    opacity: 0.5;
    background: var(--accent-bg);
    border: 1px dashed var(--text-main);
}

.color-item.drag-over {
    border-top: 2px solid var(--text-main);
}

.drag-handle {
    cursor: grab;
    color: var(--text-dim);
    padding-right: 8px;
    font-size: 12px;
    user-select: none;
}

.drag-handle:active {
    cursor: grabbing;
}

.color-item-left {
    display: flex;
    align-items: center;
}

.color-item-label {
    font-size: 11px;
    color: var(--text-dim);
}

.color-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
}

.hex-input {
    width: 58px;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 11px;
    padding: 3px 0;
    text-align: center;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    outline: none;
    border-radius: 0;
    text-transform: uppercase;
    transition: border-color 0.2s;
}

.hex-input:focus {
    border-color: var(--text-main);
}

input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--border-color);
    width: 28px;
    height: 18px;
    cursor: pointer;
    background: none;
    padding: 0;
    flex-shrink: 0;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

input[type="color"]::-webkit-color-swatch {
    border: none;
}

.btn-del {
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0 4px;
    transition: color 0.2s;
}

.btn-del:hover {
    color: var(--danger);
}

.btn-del:disabled {
    opacity: 0.2;
    cursor: not-allowed;
}

/* ── Buttons ── */

.btn-ghost {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px;
    font-size: 10px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    width: 100%;
    transition: all 0.2s;
    font-family: inherit;
}

.btn-ghost:hover {
    border-color: var(--text-main);
}

/* ── Upload Area ── */

.upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px dashed var(--border-color);
    padding: 16px;
    text-align: center;
    color: var(--text-dim);
    cursor: pointer;
    border-radius: 4px;
    margin-bottom: 16px;
    transition: all 0.2s;
    background: rgba(128, 128, 128, 0.05);
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--text-main);
    color: var(--text-main);
    background: rgba(128, 128, 128, 0.1);
}

.upload-icon {
    font-size: 20px;
    line-height: 1;
}

.upload-text {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: bold;
}

/* ── Form Controls ── */

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 110px;
    height: 1px;
    background: var(--border-color);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 8px;
    height: 14px;
    background: var(--accent-bg);
    cursor: pointer;
    border-radius: 0;
    border: 1px solid var(--border-color);
}

select {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 4px 8px;
    font-size: 11px;
    outline: none;
    cursor: pointer;
    width: 140px;
    font-family: inherit;
    border-radius: 0;
}

select option,
select optgroup {
    background: var(--panel-bg);
    color: var(--text-main);
}

select optgroup {
    font-weight: bold;
    font-style: normal;
    color: var(--text-dim);
}

input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    position: relative;
    margin: 0;
    outline: none;
}

input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    right: 2px;
    bottom: 2px;
    background: var(--text-main);
}

/* ── Preset Buttons ── */

.preset-group {
    display: flex;
    gap: 4px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.preset-btn {
    flex: 1 1 30%;
    padding: 6px 0;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-dim);
    font-size: 10px;
    cursor: pointer;
    text-align: center;
    border-radius: 0;
    font-family: inherit;
}

.preset-btn:hover {
    color: var(--text-main);
    border-color: var(--text-main);
}

.preset-btn.active {
    background: var(--accent-bg);
    color: var(--accent-text);
    border-color: var(--accent-bg);
    font-weight: bold;
}

.divider {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

.action-btn {
    width: 100%;
    padding: 12px;
    background: var(--text-main);
    border: none;
    color: var(--panel-bg);
    font-weight: bold;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    font-family: inherit;
    border-radius: 0;
    transition: opacity 0.2s;
}

.action-btn:hover {
    opacity: 0.8;
}

.action-btn:active {
    transform: scale(0.98);
}

.btn-record-active {
    background: #e53e3e !important;
    color: #fff !important;
    animation: pulse-record 1s infinite;
}

@keyframes pulse-record {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.export-group {
    display: flex;
    gap: 6px;
    margin-top: 6px;
}

.export-group .action-btn {
    flex: 1;
    padding: 10px 4px;
    font-size: 10px;
}

/* ── Code Export Modal ── */

.code-textarea {
    width: 100%;
    flex: 1;
    min-height: 0;
    background: var(--bg-color, #0a0a0a);
    color: var(--text-main, #e5e5e5);
    border: 1px solid var(--border-color, #333);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 11px;
    padding: 12px;
    resize: none;
    outline: none;
    box-shadow: none;
    tab-size: 2;
    white-space: pre;
    overflow: auto;
    box-sizing: border-box;
    display: block;
}

.code-textarea:focus {
    outline: none;
    box-shadow: none;
    border-color: var(--text-dim, #888);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--modal-bg);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    justify-content: center;
    align-items: center;
}

.modal-box {
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    width: 680px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

/* ── Color Picker Modal ── */

.picker-container {
    position: relative;
    line-height: 0;
    user-select: none;
}

#picker-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.picker-marker {
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2px solid #fff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    cursor: grab;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.6), inset 0 0 4px rgba(0, 0, 0, 0.4);
    transition: scale 0.1s;
}

.picker-marker:active {
    cursor: grabbing;
    scale: 1.2;
}

.modal-actions {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.modal-actions-left {
    display: flex;
    gap: 8px;
}

.btn-mini {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 6px 12px;
    font-size: 10px;
    cursor: pointer;
    text-transform: uppercase;
    font-family: inherit;
}

.btn-mini:hover {
    background: var(--text-main);
    color: var(--panel-bg);
}

.btn-mini:disabled {
    opacity: 0.3;
    pointer-events: none;
}