/* =========================================================
   KeyV2 Web Workspace — Stylesheet
   ========================================================= */

:root {
    --bg-dark: #0a0a0f;
    --bg-panel: #111116;
    --bg-group: #171720;
    --bg-input: #20202c;
    --border: #262635;
    --text-primary: #e8e8f0;
    --text-secondary: #9090a8;
    --text-muted: #5e5e75;
    
    --accent: #6c8aff;
    --accent-glow: rgba(108, 138, 255, 0.2);
    --accent-hover: #8aa4ff;
    
    --success: #3fc380;
    --success-hover: #46d28c;
    --danger: #e94b3c;
    --danger-hover: #f05a4c;
    
    --radius: 8px;
    --radius-sm: 4px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

#app {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* =========================================================
   Workspace Columns
   ========================================================= */

.workspace-column {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-panel);
    overflow-y: auto;
    padding: 20px 16px;
    gap: 16px;
    flex-shrink: 0;
}

#sidebar-left {
    width: 320px;
    border-right: 1px solid var(--border);
}

#sidebar-middle {
    width: 400px;
    border-right: 1px solid var(--border);
}

#previews-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-panel);
}

/* Scrollbar styles */
.workspace-column::-webkit-scrollbar {
    width: 6px;
}
.workspace-column::-webkit-scrollbar-track {
    background: transparent;
}
.workspace-column::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
.workspace-column::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* =========================================================
   Typography & Headers
   ========================================================= */

#app-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--accent);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.column-header {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.2px;
    color: var(--text-primary);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.group-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 2px;
}

/* =========================================================
   Form Controls
   ========================================================= */

.control-group {
    background: var(--bg-group);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-row label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 85px;
    flex-shrink: 0;
}

.control-row select,
.control-row input[type="text"],
.control-row input[type="number"],
.control-row select {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
    min-width: 0; /* allows shrinking */
}

.bottom-actions {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkout-btn {
    font-size: 16px;
    padding: 12px;
    background-color: var(--success) !important;
}
.checkout-btn:hover {
    background-color: var(--success-hover) !important;
}



.control-row select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239090a8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 24px;
}

.control-row select option {
    background: var(--bg-input);
    color: var(--text-primary);
}

/* Range Inputs */
.control-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    outline: none;
}

.control-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: 2px solid var(--bg-panel);
    box-shadow: 0 0 4px var(--accent-glow);
    transition: transform 0.15s;
}

.control-row input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-val {
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    min-width: 32px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Checkboxes */
.checkbox-row {
    justify-content: space-between;
}

.checkbox-row input[type="checkbox"],
.option-item input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
}

.checkbox-row input[type="checkbox"]:checked,
.option-item input[type="checkbox"]:checked {
    background: var(--accent);
    border-color: var(--accent);
}

.checkbox-row input[type="checkbox"]:checked::after,
.option-item input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 11px;
    font-weight: 700;
}

/* Buttons */
.btn {
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    outline: none;
    transition: background-color 0.2s, transform 0.1s;
    text-align: center;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
}
.btn-secondary:hover {
    background: var(--border);
}

.btn-success {
    background: var(--success);
    color: #ffffff;
}
.btn-success:hover {
    background: var(--success-hover);
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
}
.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 6px 10px;
    font-size: 11px;
}

.btn-full {
    width: 100%;
}

.btn-row {
    display: flex;
    gap: 8px;
    width: 100%;
}
.btn-row .btn {
    flex: 1;
}

.btn-row-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr 1fr;
    gap: 6px;
    width: 100%;
}

.preset-row {
    display: flex;
    gap: 6px;
}
.preset-row select {
    flex: 2;
}
.preset-row button {
    flex: 1;
}

/* =========================================================
   Key List UI
   ========================================================= */

#key-list-container {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    height: 180px;
    overflow-y: auto;
}

#key-list {
    list-style: none;
    display: flex;
    flex-direction: column;
}

#key-list li {
    padding: 8px 12px;
    font-size: 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    transition: background 0.15s, color 0.15s;
    user-select: none;
}

#key-list li:last-child {
    border-bottom: none;
}

#key-list li:hover {
    background: var(--bg-group);
    color: var(--text-primary);
}

#key-list li.selected {
    background: var(--accent-glow);
    color: var(--accent-hover);
    font-weight: 600;
    border-left: 3px solid var(--accent);
}

/* =========================================================
   Accordion / Legend Cards
   ========================================================= */

#legends-accordion-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#legends-accordion {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.accordion-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-group);
    overflow: hidden;
}

.accordion-header {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    cursor: pointer;
    user-select: none;
    background: var(--bg-group);
    transition: background 0.2s;
}

.accordion-header:hover {
    background: var(--bg-input);
}

.accordion-header input[type="checkbox"] {
    margin-right: 10px;
    width: 15px;
    height: 15px;
}

.accordion-title {
    font-size: 12px;
    font-weight: 600;
    flex: 1;
    color: var(--text-primary);
}

.accordion-arrow {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform 0.25s;
}

.accordion-card.open .accordion-arrow {
    transform: rotate(90deg);
}

.accordion-body {
    display: none;
    padding: 12px;
    border-top: 1px solid var(--border);
    background: var(--bg-panel);
    flex-direction: column;
    gap: 8px;
}

.accordion-card.open .accordion-body {
    display: flex;
}
.accordion-body .control-row label {
    min-width: 75px;
}

/* =========================================================
   Previews Column (2D & 3D Viewports)
   ========================================================= */

#previews-split {
    display: flex;
    flex-direction: row;
    height: 50%;
    border-bottom: 2px solid var(--border);
    background: var(--bg-panel);
}

#viewport-2d {
    width: 50%;
    height: 100%;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: relative;
    padding: 10px;
}

#viewport-3d {
    width: 50%;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Adjust canvas padding on very small screens */
#viewport-3d canvas {
    width: 100% !important;
    height: 100% !important;
}

/* =========================================================
   Modals & Overlays
   ========================================================= */
#modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.2s;
}

#modal-overlay.hidden {
    display: none;
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    padding: 24px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-content.hidden {
    display: none;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--danger-hover);
}

.modal-content h2 {
    font-size: 20px;
    color: var(--accent);
    margin-top: 0;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

.modal-body {
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-body a {
    color: var(--accent);
    text-decoration: none;
}

.modal-body a:hover {
    text-decoration: underline;
}

.modal-body hr {
    border: 0;
    height: 1px;
    background: var(--border);
    margin: 8px 0;
}

/* Tooltips */
.help-icon {
    display: inline-block;
    background: var(--bg-group);
    color: var(--accent);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 16px;
    height: 16px;
    text-align: center;
    line-height: 14px;
    font-size: 10px;
    font-weight: bold;
    cursor: help;
    margin-left: 4px;
    pointer-events: auto;
}

.global-tooltip {
    position: fixed;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    white-space: pre-wrap;
    width: max-content;
    max-width: 250px;
    z-index: 9999;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    pointer-events: none;
    text-align: left;
    display: none;
    transform: translateY(-50%);
}

.global-tooltip::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 100%;
    transform: translateY(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent var(--border) transparent transparent;
}

/* Checkout Modal Specifics */
.checkout-summary {
    background: var(--bg-group);
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.checkout-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 12px 0;
}

.checkout-radio {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-group);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.checkout-radio:hover {
    border-color: var(--accent-hover);
    background: var(--bg-input);
}

.checkout-radio input[type="radio"] {
    margin-top: 4px;
}

.checkout-radio div {
    display: flex;
    flex-direction: column;
}

.checkout-radio strong {
    color: var(--text-primary);
    font-size: 14px;
}

.checkout-radio span {
    color: var(--text-muted);
    font-size: 12px;
}

.checkout-total {
    text-align: right;
    font-size: 18px;
    color: var(--success);
    margin-bottom: 12px;
    border-top: 1px solid var(--border);
    padding-top: 12px;
}

.tour-video-placeholder {
    width: 100%;
    height: 200px;
    background: var(--bg-group);
    border: 1px dashed var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
}

.viewport-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    position: absolute;
    top: 10px;
    left: 15px;
    z-index: 5;
    pointer-events: none;
}

.canvas-2d-wrapper,
.canvas-3d-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#layout-canvas-2d {
    background: #1c1c22;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    max-width: 95%;
    max-height: 95%;
}

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

/* Keycap Tray Styles */
#keycap-tray-section {
    height: 50%;
    display: flex;
    flex-direction: column;
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    padding: 14px 18px;
    gap: 12px;
}

.tray-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.tray-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-primary);
}

.tray-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.action-divider {
    color: var(--text-muted);
    font-size: 14px;
    margin: 0 4px;
    user-select: none;
}

.select-sm {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 11px;
    padding: 5px 24px 5px 8px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%239090a8'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    cursor: pointer;
}

#keycap-grid-container {
    flex: 1;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-group);
    padding: 12px;
}

#homing-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

#keycap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    gap: 12px;
    align-content: start;
}

.key-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding: 6px;
    width: 85px;
    height: 110px;
    transition: background 0.15s, border-color 0.15s, transform 0.1s, box-shadow 0.15s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.key-card:hover {
    background: var(--border);
    border-color: var(--accent);
}

.key-card.selected {
    background: var(--accent-glow);
    border-color: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
}

.key-card-canvas {
    width: 72px;
    height: 72px;
    background: #1c1c22;
    border-radius: var(--radius-sm);
    display: block;
    margin-bottom: 4px;
    flex-shrink: 0;
}

.key-card-row {
    font-size: 8px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    position: absolute;
    top: 4px;
    left: 6px;
    background: rgba(0, 0, 0, 0.5);
    padding: 1px 3px;
    border-radius: 2px;
    z-index: 2;
}

.key-card-name {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    width: 100%;
    margin-top: 2px;
}

.key-card.selected .key-card-name {
    color: var(--accent-hover);
}

.key-card-homing-indicator {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    position: absolute;
    bottom: 6px;
    right: 8px;
}



/* =========================================================
   Loading Overlay
   ========================================================= */

#loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(216, 216, 224, 0.7);
    backdrop-filter: blur(8px);
    gap: 16px;
    z-index: 10;
    transition: opacity 0.4s ease;
}

#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

#loading-overlay p {
    font-size: 13px;
    color: #333;
    font-weight: 500;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Status Bar */
#status-bar {
    margin-top: auto;
    font-size: 11px;
    color: var(--text-muted);
    padding-top: 8px;
    border-top: 1px solid var(--border);
}