/**
 * 3Syxty Studio — Contextual Toolbar Component
 *
 * Morphing toolbars that adapt based on what's selected in the editor.
 * Supports floating, docked, and inline variants with smooth transitions
 * between different tool configurations.
 */

/* -----------------------------------------------------------------------
   Toolbar Base
   ----------------------------------------------------------------------- */

.toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1);
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-medium);
    user-select: none;
}

.toolbar-flush {
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    border-radius: 0;
}

/* -----------------------------------------------------------------------
   Floating Toolbar (over the canvas)
   ----------------------------------------------------------------------- */

.toolbar-floating {
    position: absolute;
    z-index: var(--z-sticky);
    animation: scale-in var(--motion-fast) forwards;
    transform-origin: center bottom;
}

.toolbar-floating[data-position="top"] {
    top: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    transform-origin: center top;
}

.toolbar-floating[data-position="bottom"] {
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    transform-origin: center bottom;
}

/* Glass variant for floating over panoramas */
.toolbar-glass {
    background: color-mix(in srgb, var(--surface-primary) 80%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: color-mix(in srgb, var(--border-subtle) 50%, transparent);
}

/* -----------------------------------------------------------------------
   Toolbar Items
   ----------------------------------------------------------------------- */

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background-color var(--motion-instant),
                color var(--motion-instant);
    position: relative;
    flex-shrink: 0;
}

.toolbar-btn:hover {
    background-color: var(--accent-primary-subtle);
    color: var(--text-primary);
}

.toolbar-btn:active {
    background-color: var(--accent-primary-muted);
}

.toolbar-btn[aria-pressed="true"],
.toolbar-btn.toolbar-btn-active {
    background-color: var(--accent-primary-muted);
    color: var(--accent-primary);
}

.toolbar-btn:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: -2px;
}

.toolbar-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.toolbar-btn svg {
    width: 16px;
    height: 16px;
}

/* With label */
.toolbar-btn-labeled {
    width: auto;
    gap: var(--space-1-5);
    padding: 0 var(--space-2-5);
    font: var(--type-caption);
    font-weight: 500;
}

/* Large toolbar buttons */
.toolbar-btn-lg {
    width: 36px;
    height: 36px;
}

.toolbar-btn-lg svg {
    width: 18px;
    height: 18px;
}

/* -----------------------------------------------------------------------
   Toolbar Separator
   ----------------------------------------------------------------------- */

.toolbar-sep {
    width: 1px;
    height: 20px;
    background-color: var(--border-subtle);
    flex-shrink: 0;
    margin: 0 var(--space-0-5);
}

.toolbar-sep-lg {
    margin: 0 var(--space-1);
}

/* -----------------------------------------------------------------------
   Toolbar Dropdown
   ----------------------------------------------------------------------- */

.toolbar-dropdown {
    position: relative;
}

.toolbar-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0 var(--space-2);
    height: 32px;
    font: var(--type-caption);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--motion-instant), color var(--motion-instant);
}

.toolbar-dropdown-trigger:hover {
    background-color: var(--accent-primary-subtle);
    color: var(--text-primary);
}

.toolbar-dropdown-trigger svg {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.toolbar-dropdown-trigger-chevron {
    transition: transform var(--motion-fast);
}

.toolbar-dropdown[data-open="true"] .toolbar-dropdown-trigger-chevron {
    transform: rotate(180deg);
}

.toolbar-dropdown-panel {
    position: absolute;
    top: calc(100% + var(--space-1));
    left: 0;
    min-width: 160px;
    background-color: var(--surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-heavy);
    z-index: var(--z-dropdown);
    padding: var(--space-1);
    animation: scale-in var(--motion-fast) forwards;
    transform-origin: top left;
}

.toolbar-dropdown-panel-right {
    left: auto;
    right: 0;
    transform-origin: top right;
}

/* -----------------------------------------------------------------------
   Toolbar Group (visual grouping)
   ----------------------------------------------------------------------- */

.toolbar-group {
    display: flex;
    align-items: center;
    gap: var(--space-0-5);
    padding: var(--space-0-5);
    background-color: var(--surface-tertiary);
    border-radius: var(--radius-md);
}

/* -----------------------------------------------------------------------
   Toolbar Label (inline text)
   ----------------------------------------------------------------------- */

.toolbar-label {
    font: var(--type-caption);
    color: var(--text-muted);
    padding: 0 var(--space-2);
    white-space: nowrap;
}

/* -----------------------------------------------------------------------
   Toolbar Inline Input
   ----------------------------------------------------------------------- */

.toolbar-input {
    width: 60px;
    height: 28px;
    padding: 0 var(--space-1-5);
    font: var(--type-mono);
    font-size: 11px;
    text-align: center;
    color: var(--text-primary);
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--motion-instant);
}

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

/* -----------------------------------------------------------------------
   Contextual Morph Animation
   ----------------------------------------------------------------------- */

.toolbar[data-morphing="true"] {
    transition: width var(--motion-normal);
}

.toolbar-morph-enter {
    animation: toolbar-morph-in var(--motion-fast) forwards;
}

.toolbar-morph-exit {
    animation: toolbar-morph-out 100ms ease-in forwards;
}

@keyframes toolbar-morph-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes toolbar-morph-out {
    from { opacity: 1; transform: scale(1); }
    to { opacity: 0; transform: scale(0.9); }
}

/* -----------------------------------------------------------------------
   Context Indicator (shows what's selected)
   ----------------------------------------------------------------------- */

.toolbar-context {
    display: flex;
    align-items: center;
    gap: var(--space-1-5);
    padding: 0 var(--space-2-5);
    height: 28px;
    font: var(--type-caption);
    font-weight: 600;
    color: var(--accent-primary);
    background-color: var(--accent-primary-subtle);
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.toolbar-context svg {
    width: 12px;
    height: 12px;
}

/* -----------------------------------------------------------------------
   Responsive: Overflow Menu
   ----------------------------------------------------------------------- */

.toolbar-overflow {
    position: relative;
}

.toolbar-overflow-btn {
    display: none;
}

@media (max-width: 768px) {
    .toolbar-overflow-btn {
        display: flex;
    }

    .toolbar-overflow-items {
        display: none;
    }

    .toolbar-overflow[data-open="true"] .toolbar-overflow-items {
        display: flex;
        position: absolute;
        top: calc(100% + var(--space-1));
        right: 0;
        flex-direction: column;
        background-color: var(--surface-elevated);
        border: 1px solid var(--border-subtle);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-heavy);
        padding: var(--space-1);
        z-index: var(--z-dropdown);
        animation: scale-in var(--motion-fast) forwards;
    }
}