/* SLUI controls: buttons, icon/ctrl buttons, slide toggle, color input + picker popup, tooltips, Monaco context menu, inputs. */

/* BUTTONS */

.sl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    user-select: none;
}

.sl-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-focus);
}

.sl-btn:active:not(:disabled) {
    transform: translateY(1px);
}

.sl-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button icon */
.sl-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1em;
    line-height: 1;
}

.sl-btn-icon img {
    width: 1em;
    height: 1em;
    object-fit: contain;
}

/* Icon-only button */
.sl-btn-icon-only {
    padding: 8px;
    aspect-ratio: 1;
}

/* Button sizes */
.sl-btn-small {
    padding: 2px 8px;
    font-size: 0.75rem;
    gap: 4px;
}

.sl-btn-small.sl-btn-icon-only {
    padding: 4px;
}

.sl-btn-large {
    padding: 12px 24px;
    font-size: 1rem;
    gap: 8px;
}

.sl-btn-large.sl-btn-icon-only {
    padding: 12px;
}

/* Button variants */
.sl-btn-default {
    background: var(--bg-tertiary);
    border-color: var(--border);
    color: var(--text-primary);
}

.sl-btn-primary,
.sl-btn.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-inverse);
}

.sl-btn-primary:hover:not(:disabled),
.sl-btn.primary:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.sl-btn-danger {
    background: var(--error);
    border-color: var(--error);
    color: white;
}

.sl-btn-danger:hover:not(:disabled) {
    filter: brightness(1.1);
}

.sl-btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

.sl-btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* Toggle button states */
.sl-toggle-btn.pressed {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-inverse);
}

.sl-toggle-btn.pressed:hover:not(:disabled) {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* Button group */
.sl-btn-group {
    display: inline-flex;
    gap: 0;
}

.sl-btn-group .sl-btn {
    border-radius: 0;
}

.sl-btn-group .sl-btn:first-child {
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.sl-btn-group .sl-btn:last-child {
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

/* ICON BUTTON - Minimal toolbar/control bar button
   Use SLUI.IconButton() instead of document.createElement('button') */

.sl-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 28px;
    height: 28px;
    padding: 4px 8px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
    user-select: none;
}

.sl-icon-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--accent);
}

.sl-icon-btn:active:not(:disabled) {
    background: var(--bg-active);
}

.sl-icon-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Toolbar variant - more compact, fits in toolbars */
.sl-icon-btn-toolbar {
    min-width: 26px;
    height: 26px;
    padding: 2px 6px;
    font-size: 13px;
}

/* Ghost variant - no border until hover */
.sl-icon-btn-ghost {
    background: transparent;
    border-color: transparent;
}

.sl-icon-btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border);
}

/* CTRL BUTTON - Compact control bar button
   Use SLUI.CtrlButton() for shader controls, playback bars, etc. */

.sl-ctrl-btn {
    width: 28px;
    height: 24px;
    border: 1px solid var(--border, rgba(255,255,255,0.15));
    border-radius: 4px;
    background: var(--bg-secondary, #30363d);
    color: var(--text-primary, #c9d1d9);
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
    user-select: none;
    /* Inset lighting: top inner highlight, inner shadow, ambient depth, outer drop */
    box-shadow:
        inset 0  1px 1px 0 rgba(255,255,255,0.25),
        inset 0 -1px 1px 0 rgba(0,0,0,0.3),
        inset 0  0   2px 1px rgba(0,0,0,0.06),
        1px 1px 3px 0 rgba(0,0,0,0.35);
    /* Tight icon glow on text/emoji content */
    text-shadow:
        0 0 2px rgba(180, 210, 255, 0.7),
        0 0 1px rgba(180, 210, 255, 0.5);
}

/* Top edge highlight — thin bright strip */
.sl-ctrl-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2px;
    right: 2px;
    height: 2px;
    border-bottom-left-radius: 2px;
    border-bottom-right-radius: 2px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.45), rgba(255,255,255,0));
    pointer-events: none;
}

/* Bottom edge shadow — thin dark strip */
.sl-ctrl-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 2px;
    right: 2px;
    height: 2px;
    border-top-left-radius: 2px;
    border-top-right-radius: 2px;
    background: linear-gradient(to top, rgba(0,0,0,0.2), rgba(0,0,0,0));
    pointer-events: none;
}

/* Tight icon glow for SVG / child elements */
.sl-ctrl-btn > * {
    filter:
        drop-shadow(0 0 1.5px rgba(180, 210, 255, 0.7))
        drop-shadow(0 0 0.5px rgba(180, 210, 255, 0.5));
    transition: filter 0.15s;
}

.sl-ctrl-btn:hover:not(:disabled) {
    background: var(--bg-hover, #484f58);
    border-color: var(--border-focus, var(--accent));
    box-shadow:
        inset 0  1px 1px 0 rgba(255,255,255,0.3),
        inset 0 -1px 1px 0 rgba(0,0,0,0.25),
        inset 0  0   2px 1px rgba(0,0,0,0.04),
        1px 1px 4px 0 rgba(0,0,0,0.3),
        0 0 6px rgba(var(--accent-rgb, 88,166,255), 0.15);
    text-shadow:
        0 0 3px rgba(180, 210, 255, 0.9),
        0 0 1px rgba(180, 210, 255, 0.6);
}

.sl-ctrl-btn:hover:not(:disabled) > * {
    filter:
        drop-shadow(0 0 2px rgba(180, 210, 255, 0.9))
        drop-shadow(0 0 1px rgba(180, 210, 255, 0.6));
}

.sl-ctrl-btn:active:not(:disabled) {
    transform: translateY(1px);
    box-shadow:
        inset 0  1px 2px 0 rgba(0,0,0,0.3),
        inset 0  0   2px 1px rgba(0,0,0,0.1),
        0 0 1px 0 rgba(0,0,0,0.2);
}

/* Flatten pseudo-highlights when pressed */
.sl-ctrl-btn:active:not(:disabled)::before { opacity: 0.3; }
.sl-ctrl-btn:active:not(:disabled)::after  { opacity: 0; }

.sl-ctrl-btn.active {
    background: var(--accent, #58a6ff);
    color: var(--text-inverse, #fff);
    border-color: var(--accent, #58a6ff);
    box-shadow:
        inset 0  1px 1px 0 rgba(255,255,255,0.35),
        inset 0 -1px 1px 0 rgba(0,0,0,0.25),
        inset 0  0   2px 1px rgba(0,0,0,0.05),
        1px 1px 3px 0 rgba(0,0,0,0.3),
        0 0 6px rgba(var(--accent-rgb, 88,166,255), 0.25);
    text-shadow:
        0 0 3px rgba(255, 255, 255, 0.8),
        0 0 1px rgba(255, 255, 255, 0.5);
}

.sl-ctrl-btn.active > * {
    filter:
        drop-shadow(0 0 2px rgba(255, 255, 255, 0.8))
        drop-shadow(0 0 1px rgba(255, 255, 255, 0.5));
}

.sl-ctrl-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button-group positions: left / middle / right */
.sl-ctrl-btn-left {
    border-radius: 4px 0 0 4px;
}

.sl-ctrl-btn-middle {
    border-radius: 0;
}

.sl-ctrl-btn-right {
    border-radius: 0 4px 4px 0;
}

.sl-btn-group .sl-btn:not(:last-child) {
    border-right: none;
}

/* SLIDE TOGGLE (iOS-style switch) */

.sl-slide-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}

.sl-slide-toggle-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s ease;
}

.sl-slide-toggle-label.active {
    color: var(--accent);
    font-weight: 600;
}

.sl-slide-toggle-track {
    position: relative;
    width: 36px;
    height: 18px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 9px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.sl-slide-toggle-track:hover {
    border-color: var(--accent);
}

.sl-slide-toggle-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: left 0.2s ease, background 0.2s ease;
}

.sl-slide-toggle.active .sl-slide-toggle-track {
    background: var(--accent);
    border-color: var(--accent);
}

.sl-slide-toggle.active .sl-slide-toggle-thumb {
    left: calc(100% - 14px);
    background: white;
}

/* Size variations */
.sl-slide-toggle-small .sl-slide-toggle-track {
    width: 28px;
    height: 14px;
    border-radius: 7px;
}

.sl-slide-toggle-small .sl-slide-toggle-thumb {
    width: 10px;
    height: 10px;
    top: 1px;
    left: 1px;
}

.sl-slide-toggle-small.active .sl-slide-toggle-thumb {
    left: calc(100% - 11px);
}

.sl-slide-toggle-small .sl-slide-toggle-label {
    font-size: 0.6rem;
}

.sl-slide-toggle-large .sl-slide-toggle-track {
    width: 48px;
    height: 24px;
    border-radius: 12px;
}

.sl-slide-toggle-large .sl-slide-toggle-thumb {
    width: 18px;
    height: 18px;
    top: 2px;
    left: 2px;
}

.sl-slide-toggle-large.active .sl-slide-toggle-thumb {
    left: calc(100% - 20px);
}

/* COLOR INPUT (with SL/OS toggle) */

.sl-color-input {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.sl-color-input-swatch {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border);
    cursor: pointer;
    transition: transform 0.1s ease, border-color 0.15s ease;
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

.sl-color-input-swatch:hover {
    transform: scale(1.05);
    border-color: var(--accent);
}

/* Native input - hidden in SL mode, visible in OS mode */
.sl-color-input-native {
    display: none;
}

.sl-color-input.native-mode .sl-color-input-native {
    display: block;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    cursor: pointer;
    background: none;
}

.sl-color-input.native-mode .sl-color-input-native::-webkit-color-swatch-wrapper {
    padding: 0;
}

.sl-color-input.native-mode .sl-color-input-native::-webkit-color-swatch {
    border: none;
    border-radius: calc(var(--border-radius) - 2px);
}

.sl-color-input.native-mode .sl-color-input-native::-moz-color-swatch {
    border: none;
    border-radius: calc(var(--border-radius) - 2px);
}

/* Hide swatch in native mode */
.sl-color-input.native-mode .sl-color-input-swatch {
    display: none;
}

.sl-color-input-hex {
    font-family: var(--font-code);
    font-size: 0.7rem;
    color: var(--text-secondary);
    min-width: 60px;
}

.sl-color-input-toggle {
    margin-left: auto;
}

/* COLOR PICKER POPUP (RGB + HSV Sliders) */

.sl-color-popup {
    position: fixed;
    display: none;
    flex-direction: column;
    width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px var(--shadow);
    z-index: 10000;
    overflow: hidden;
}

.sl-color-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    cursor: grab;
    user-select: none;
    -webkit-user-select: none;
}

.sl-color-popup-header:active {
    cursor: grabbing;
}

.sl-color-popup-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sl-color-popup-toggles {
    display: flex;
    gap: 3px;
}

.sl-color-popup-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-muted);
    cursor: pointer;
    font-family: var(--font-code);
    font-size: 0.55rem;
    font-weight: 600;
    padding: 2px 5px;
    line-height: 1;
    letter-spacing: 0.03em;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
    user-select: none;
    -webkit-user-select: none;
}

.sl-color-popup-toggle:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.sl-color-popup-toggle.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.sl-color-popup-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sl-color-popup-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0;
    line-height: 1;
}

.sl-color-popup-close:hover {
    color: var(--text-primary);
}

.sl-color-popup-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sl-color-popup-preview-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sl-color-popup-swatch {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    border: 2px solid var(--border);
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

.sl-color-popup-hex {
    flex: 1;
    padding: 8px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: calc(var(--border-radius) * 0.5);
    color: var(--text-primary);
    font-family: var(--font-code);
    font-size: 0.8rem;
}

.sl-color-popup-hex:focus {
    outline: none;
    border-color: var(--accent);
}

.sl-color-popup-sliders {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sl-color-popup-channel {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sl-color-popup-channel-label {
    width: 14px;
    font-size: 0.65rem;
    font-weight: 600;
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
}

.sl-color-popup-channel-track {
    flex: 1;
    height: 18px;
    cursor: pointer;
}

.sl-color-popup-channel-bg {
    position: relative;
    height: 16px;
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.3);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.2);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-origin: padding-box;
    background-clip: padding-box;
}

.sl-color-popup-channel-thumb {
    position: absolute;
    top: 0;
    width: 8px;
    height: 16px;
    border-radius: 2px;
    background: rgba(255,255,255,0.3);
    border: 2px solid white;
    box-shadow: 0 0 3px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(0,0,0,0.2);
    transform: translateX(-50%);
    cursor: pointer;
}

.sl-color-popup-channel-value {
    width: 38px;
    padding: 2px 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--text-primary);
    font-family: var(--font-code);
    font-size: 0.65rem;
    text-align: center;
}

.sl-color-popup-channel-value:focus {
    outline: none;
    border-color: var(--accent);
}

/* TOOLTIPS */

.sl-tooltip {
    position: fixed;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: calc(var(--border-radius) * 0.5);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.75rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10000;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.15s ease, transform 0.15s ease;
    box-shadow: 0 4px 12px var(--shadow);
}

.sl-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
}

.sl-tooltip-top {
    transform-origin: bottom center;
}

.sl-tooltip-bottom {
    transform-origin: top center;
}

.sl-tooltip-left {
    transform-origin: right center;
}

.sl-tooltip-right {
    transform-origin: left center;
}

.sl-tooltip-top.visible,
.sl-tooltip-bottom.visible,
.sl-tooltip-left.visible,
.sl-tooltip-right.visible {
    transform: translate(0);
}

/* CONTEXT MENU (styled to match Monaco) */

/* Root menu is fixed-positioned on the page */
.sl-context-menu-root {
    position: fixed;
    z-index: 200000;
}

/* All menu panels (root + submenus) share this base */
.sl-context-menu {
    min-width: 180px;
    max-width: 320px;
    padding: 4px 0;
    background: var(--bg-secondary, #252526);
    border: 1px solid var(--border, rgba(255,255,255,0.12));
    border-radius: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0,0,0,0.15);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 13px;
    color: var(--text-primary, #cccccc);
    user-select: none;
    transition: opacity 120ms ease, transform 120ms ease;
    transform-origin: top left;
}

/* Menu rows */
.sl-context-menu-item {
    display: flex;
    align-items: center;
    padding: 4px 24px 4px 4px;
    cursor: pointer;
    white-space: nowrap;
    gap: 2px;
    position: relative;  /* anchor for child submenu */
}

/* Only highlight the direct row, not when hovering child submenu */
.sl-context-menu-item:hover > .sl-context-menu-label,
.sl-context-menu-item:hover > .sl-context-menu-check,
.sl-context-menu-item:hover > .sl-context-menu-arrow,
.sl-context-menu-item:hover > .sl-context-menu-keybinding {
    color: var(--text-primary, #ffffff);
}

.sl-context-menu-item:not(.has-submenu):hover,
.sl-context-menu-item.has-submenu:hover {
    background: var(--accent, #094771);
    color: var(--text-primary, #ffffff);
}

.sl-context-menu-item.disabled {
    opacity: 0.4;
    cursor: default;
    pointer-events: none;
}

.sl-context-menu-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    min-width: 22px;
    font-size: 12px;
    color: var(--accent, #58a6ff);
}

.sl-context-menu-label {
    flex: 1;
    padding-right: 16px;
}

.sl-context-menu-keybinding {
    color: var(--text-secondary, #8b949e);
    font-size: 12px;
    margin-left: auto;
    padding-left: 20px;
}

.sl-context-menu-arrow {
    font-size: 9px;
    margin-left: auto;
    padding-left: 12px;
    color: var(--text-secondary, #8b949e);
}

.sl-context-menu-divider {
    height: 1px;
    margin: 4px 0;
    background: var(--border, rgba(255,255,255,0.1));
}

/* ── Submenu (child of its parent row) ── */
.sl-context-submenu {
    position: absolute;
    display: none;          /* hidden by default */
    transform-origin: top left;
}

/* Shown when parent row is hovered (mouseenter adds .open) */
.sl-context-submenu.open {
    display: block;
}

/* INPUTS */

.sl-input {
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition);
}

.sl-input:focus {
    border-color: var(--border-focus);
}

.sl-select {
    padding: 6px 28px 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.75rem; /* 12px */
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6b8d' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    min-width: 140px;
}

.sl-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

/* Compact variant (media panels, inline forms) */
.sl-select-compact {
    padding: 4px 24px 4px 8px;
    font-size: 0.6875rem; /* 11px */
    min-width: auto;
    background-position: right 6px center;
}

/* Monospace variant (channel viewer, code-related) */
.sl-select-monospace {
    font-family: var(--font-code);
    padding: 2px 20px 2px 6px;
    font-size: 0.6875rem; /* 11px */
    min-width: 70px;
    background-position: right 4px center;
}