mirror of
https://github.com/johndoe6345789/metabuilder.git
synced 2026-04-24 13:54:57 +00:00
515 lines
12 KiB
SCSS
515 lines
12 KiB
SCSS
// Button Components - MD3 BEM SCSS
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// =========================================================
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// Semantic BEM classes for all button variants.
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// Uses MD3 CSS custom properties (var(--mat-sys-*)).
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// No Tailwind. No inline styles.
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// ─── Base button ────────────────────────────────────────────────────────────
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.btn {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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padding: 0 16px;
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height: 40px;
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min-width: 64px;
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border: none;
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border-radius: 20px;
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font-size: 14px;
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font-weight: 500;
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letter-spacing: 0.01em;
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cursor: pointer;
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user-select: none;
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text-decoration: none;
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transition: background 0.2s ease, box-shadow 0.2s ease, opacity 0.15s ease;
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position: relative;
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overflow: hidden;
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white-space: nowrap;
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background: var(--mat-sys-primary);
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color: var(--mat-sys-on-primary);
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&:hover {
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opacity: 0.92;
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}
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&:focus-visible {
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outline: 2px solid var(--mat-sys-primary);
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outline-offset: 2px;
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}
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&:disabled,
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&--disabled {
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opacity: 0.38;
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cursor: not-allowed;
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pointer-events: none;
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}
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// ─── Width modifiers ──────────────────────────────────────────────────────
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&--full-width {
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width: 100%;
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}
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// ─── Size modifiers ───────────────────────────────────────────────────────
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&--sm {
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height: 32px;
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padding: 0 12px;
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font-size: 12px;
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border-radius: 16px;
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gap: 6px;
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}
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&--lg {
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height: 48px;
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padding: 0 24px;
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font-size: 15px;
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border-radius: 24px;
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gap: 10px;
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}
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&--icon-only {
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width: 40px;
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min-width: 40px;
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height: 40px;
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padding: 0;
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border-radius: 50%;
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gap: 0;
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}
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&--icon-only#{&}--sm {
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width: 32px;
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min-width: 32px;
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height: 32px;
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border-radius: 50%;
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}
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&--icon-only#{&}--lg {
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width: 48px;
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min-width: 48px;
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height: 48px;
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border-radius: 50%;
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}
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// ─── Variant: filled (default) ────────────────────────────────────────────
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&--filled {
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background: var(--mat-sys-primary);
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color: var(--mat-sys-on-primary);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-primary) 92%, black);
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box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
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}
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}
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// ─── Variant: outlined ────────────────────────────────────────────────────
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&--outlined {
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background: transparent;
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color: var(--mat-sys-primary);
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border: 1px solid var(--mat-sys-outline);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
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}
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&:focus-visible {
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border-color: var(--mat-sys-primary);
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}
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}
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// ─── Variant: ghost / text ────────────────────────────────────────────────
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&--ghost {
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background: transparent;
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color: var(--mat-sys-primary);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
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}
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}
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// ─── Variant: surface / tonal ─────────────────────────────────────────────
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&--tonal {
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background: var(--mat-sys-surface-container);
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color: var(--mat-sys-on-surface);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-surface-container) 85%, var(--mat-sys-on-surface));
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}
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}
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// ─── Variant: error / destructive ─────────────────────────────────────────
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&--error {
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background: var(--mat-sys-error);
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color: var(--mat-sys-on-error, #fff);
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&:hover {
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opacity: 0.9;
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}
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}
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&--error-outlined {
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background: transparent;
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color: var(--mat-sys-error);
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border: 1px solid var(--mat-sys-error);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-error) 8%, transparent);
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}
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}
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// ─── Variant: secondary ───────────────────────────────────────────────────
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&--secondary {
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background: var(--mat-sys-secondary);
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color: var(--mat-sys-on-secondary, #fff);
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&:hover {
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opacity: 0.9;
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}
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}
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// ─── Content layout: icon + text ─────────────────────────────────────────
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&__content {
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display: inline-flex;
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align-items: center;
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gap: 8px;
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}
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&__icon {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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flex-shrink: 0;
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}
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&__icon--leading {
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margin-left: -4px;
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}
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&__icon--trailing {
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margin-right: -4px;
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}
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&__spinner {
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display: inline-block;
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width: 16px;
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height: 16px;
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border: 2px solid currentColor;
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border-top-color: transparent;
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border-radius: 50%;
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animation: btn-spin 0.8s linear infinite;
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flex-shrink: 0;
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}
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&__text {
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// text node wrapper — no styles needed by default
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}
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// ─── Loading state ────────────────────────────────────────────────────────
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&--loading {
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cursor: wait;
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pointer-events: none;
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.btn__spinner {
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display: inline-block;
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}
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}
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}
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// ─── Floating Action Button (FAB) ────────────────────────────────────────────
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.fab {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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gap: 8px;
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height: 56px;
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min-width: 56px;
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padding: 0 16px;
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border: none;
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border-radius: 16px;
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background: var(--mat-sys-primary);
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color: var(--mat-sys-on-primary);
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font-size: 14px;
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font-weight: 500;
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cursor: pointer;
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box-shadow: 0 3px 8px rgba(0, 0, 0, 0.24);
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transition: box-shadow 0.2s ease, opacity 0.15s ease;
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&:hover {
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box-shadow: 0 6px 14px rgba(0, 0, 0, 0.28);
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opacity: 0.92;
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}
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&:focus-visible {
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outline: 2px solid var(--mat-sys-primary);
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outline-offset: 2px;
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}
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&:disabled {
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opacity: 0.38;
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cursor: not-allowed;
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box-shadow: none;
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}
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// ─── FAB sizes ────────────────────────────────────────────────────────────
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&--small {
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height: 40px;
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min-width: 40px;
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border-radius: 12px;
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padding: 0 12px;
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}
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&--large {
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height: 96px;
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min-width: 96px;
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border-radius: 28px;
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font-size: 16px;
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}
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// FAB icon-only (no label)
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&--icon-only {
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padding: 0;
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width: 56px;
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}
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&--icon-only#{&}--small {
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width: 40px;
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}
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&--icon-only#{&}--large {
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width: 96px;
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}
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&__icon {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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}
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&__label {
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// text label inside extended FAB
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}
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}
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// ─── Icon Button ──────────────────────────────────────────────────────────────
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.icon-btn {
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display: inline-flex;
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align-items: center;
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justify-content: center;
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width: 40px;
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height: 40px;
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padding: 0;
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border: none;
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border-radius: 50%;
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background: transparent;
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color: var(--mat-sys-on-surface);
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cursor: pointer;
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transition: background 0.15s ease, opacity 0.15s ease;
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
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}
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&:focus-visible {
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outline: 2px solid var(--mat-sys-primary);
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outline-offset: 2px;
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}
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&:disabled {
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opacity: 0.38;
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cursor: not-allowed;
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pointer-events: none;
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}
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&--filled {
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background: var(--mat-sys-primary);
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color: var(--mat-sys-on-primary);
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&:hover {
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opacity: 0.92;
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}
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}
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&--outlined {
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border: 1px solid var(--mat-sys-outline);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
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}
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}
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&--sm {
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width: 32px;
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height: 32px;
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}
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&--lg {
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width: 48px;
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height: 48px;
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}
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}
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// ─── Toggle (checkbox-label pattern) ─────────────────────────────────────────
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.toggle {
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display: inline-flex;
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align-items: center;
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gap: 8px;
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cursor: pointer;
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&__input {
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// visually hidden native checkbox
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position: absolute;
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width: 1px;
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height: 1px;
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margin: -1px;
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padding: 0;
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overflow: hidden;
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clip: rect(0, 0, 0, 0);
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white-space: nowrap;
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border: 0;
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}
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&__track {
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display: inline-flex;
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align-items: center;
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width: 36px;
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height: 20px;
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border-radius: 10px;
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background: var(--mat-sys-outline);
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transition: background 0.2s ease;
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position: relative;
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}
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&__thumb {
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width: 16px;
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height: 16px;
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border-radius: 50%;
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background: var(--mat-sys-surface);
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position: absolute;
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left: 2px;
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transition: transform 0.2s ease;
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}
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&__input:checked ~ &__track {
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background: var(--mat-sys-primary);
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}
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&__input:checked ~ &__track &__thumb {
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transform: translateX(16px);
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}
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&__label {
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font-size: 14px;
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color: var(--mat-sys-on-surface);
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user-select: none;
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}
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&--disabled {
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opacity: 0.38;
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cursor: not-allowed;
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}
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}
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// ─── Action Button wrapper ────────────────────────────────────────────────────
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.action-btn {
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display: inline-flex;
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&__icon {
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display: inline-flex;
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align-items: center;
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margin-right: 8px;
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flex-shrink: 0;
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}
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&__label {
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// label text - no extra styles
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}
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}
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// ─── Toolbar button ───────────────────────────────────────────────────────────
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.toolbar-btn {
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display: inline-flex;
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align-items: center;
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gap: 6px;
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padding: 0 12px;
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height: 36px;
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border: none;
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border-radius: 18px;
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background: transparent;
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color: var(--mat-sys-on-surface);
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font-size: 13px;
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font-weight: 500;
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cursor: pointer;
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white-space: nowrap;
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transition: background 0.15s ease;
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-on-surface) 8%, transparent);
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}
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&:focus-visible {
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outline: 2px solid var(--mat-sys-primary);
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outline-offset: 2px;
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}
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&--outline {
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border: 1px solid var(--mat-sys-outline);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-primary) 8%, transparent);
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}
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}
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&--outline-error {
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border: 1px solid var(--mat-sys-error);
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color: var(--mat-sys-error);
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&:hover {
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background: color-mix(in srgb, var(--mat-sys-error) 8%, transparent);
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color: var(--mat-sys-on-error, #fff);
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}
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}
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&--default {
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background: var(--mat-sys-primary);
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color: var(--mat-sys-on-primary);
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&:hover {
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opacity: 0.92;
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}
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}
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&--hidden-sm {
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@media (max-width: 640px) {
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display: none;
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}
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}
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&--visible-sm {
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@media (min-width: 641px) {
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display: inline-flex;
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}
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}
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}
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// ─── Spinner keyframes ────────────────────────────────────────────────────────
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@keyframes btn-spin {
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from { transform: rotate(0deg); }
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to { transform: rotate(360deg); }
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}
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