/* ==========================================================================
   Advanced Button (.sentio-abtn)
   ==========================================================================
   Extracted from frontend.css during the Batch 8 mechanical extraction
   (2026-04-18). Behavior-preserving.
   20 Hover Animations · 10 Icon Animations · Dual Icons · Magnetic Cursor ·
   Click Ripple · Animated Gradient · Text Shadow · Size Presets.
   ========================================================================== */

 *  5. Click Ripple (Material Design)
 *  6. Animated Gradient Background
 *  7. Text Shadow
 *  8. Size Presets (XS–XL)
 * ══════════════════════════════════════════════════════════════════ */

/* ── Base ── */
.sentio-abtn-wrap {
	display: block;
}

.sentio-abtn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
	cursor: pointer;
	text-decoration: none;
	line-height: 1.2;
	vertical-align: middle;
	white-space: nowrap;
	transition-property: color, background-color, background, border-color, box-shadow, text-shadow, transform;
	transition-timing-function: ease;
	transition-duration: 0.3s;
}

.sentio-abtn:hover {
	text-decoration: none;
}

/* ── Size Presets (Diff #8) ── */
.sentio-abtn--xs { padding: 8px 16px; font-size: 12px; }
.sentio-abtn--sm { padding: 10px 22px; font-size: 13px; }
.sentio-abtn--md { padding: 13px 30px; font-size: 15px; }
.sentio-abtn--lg { padding: 16px 38px; font-size: 17px; }
.sentio-abtn--xl { padding: 20px 48px; font-size: 20px; }

/* ── Text & Icons ── */
.sentio-abtn__text {
	position: relative;
	z-index: 2;
}

.sentio-abtn__icon {
	position: relative;
	z-index: 2;
	display: inline-flex;
	align-items: center;
	line-height: 1;
	transition: transform 0.3s ease, color 0.3s ease;
}

.sentio-abtn__icon svg {
	fill: currentColor;
	width: 1em;
	height: 1em;
}

/* ══════════════════════════════════════════
 * HOVER ANIMATIONS (Diff #1) — 20 effects
 * ══════════════════════════════════════════ */

/* ── 1-6: Sweep / Shutter (::before pseudo-element) ── */
.sentio-abtn--hover-sweep-right::before,
.sentio-abtn--hover-sweep-left::before,
.sentio-abtn--hover-sweep-up::before,
.sentio-abtn--hover-sweep-down::before,
.sentio-abtn--hover-shutter-out::before,
.sentio-abtn--hover-shutter-in::before {
	content: '';
	position: absolute;
	inset: 0;
	z-index: 1;
	background-color: #4f46e5;
	transition: transform 0.3s ease;
}

/* 1. Sweep Right */
.sentio-abtn--hover-sweep-right::before {
	transform: scaleX(0);
	transform-origin: left center;
}
.sentio-abtn--hover-sweep-right:hover::before {
	transform: scaleX(1);
}

/* 2. Sweep Left */
.sentio-abtn--hover-sweep-left::before {
	transform: scaleX(0);
	transform-origin: right center;
}
.sentio-abtn--hover-sweep-left:hover::before {
	transform: scaleX(1);
}

/* 3. Sweep Up */
.sentio-abtn--hover-sweep-up::before {
	transform: scaleY(0);
	transform-origin: center bottom;
}
.sentio-abtn--hover-sweep-up:hover::before {
	transform: scaleY(1);
}

/* 4. Sweep Down */
.sentio-abtn--hover-sweep-down::before {
	transform: scaleY(0);
	transform-origin: center top;
}
.sentio-abtn--hover-sweep-down:hover::before {
	transform: scaleY(1);
}

/* 5. Shutter Out (center → edges) */
.sentio-abtn--hover-shutter-out::before {
	transform: scaleX(0);
	transform-origin: center center;
}
.sentio-abtn--hover-shutter-out:hover::before {
	transform: scaleX(1);
}

/* 6. Shutter In (edges → center) */
.sentio-abtn--hover-shutter-in::before {
	transform: scaleX(1);
	transform-origin: center center;
}
.sentio-abtn--hover-shutter-in:hover::before {
	transform: scaleX(0);
}

/* ── 7-12: Transform ── */

/* 7. Grow */
.sentio-abtn--hover-grow:hover { transform: scale(1.08); }

/* 8. Shrink */
.sentio-abtn--hover-shrink:hover { transform: scale(0.92); }

/* 9. Push */
.sentio-abtn--hover-push:hover { animation: sentio-abtn-push 0.3s linear; }
@keyframes sentio-abtn-push {
	50%  { transform: scale(0.88); }
	100% { transform: scale(1); }
}

/* 10. Pop */
.sentio-abtn--hover-pop:hover { animation: sentio-abtn-pop 0.3s linear; }
@keyframes sentio-abtn-pop {
	50%  { transform: scale(1.15); }
	100% { transform: scale(1); }
}

/* 11. Rotate */
.sentio-abtn--hover-rotate:hover { transform: rotate(4deg); }

/* 12. Skew */
.sentio-abtn--hover-skew:hover { transform: skewX(-4deg); }

/* ── 13-16: Motion ── */

/* 13. Float */
.sentio-abtn--hover-float:hover {
	transform: translateY(-6px);
	box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* 14. Sink */
.sentio-abtn--hover-sink:hover { transform: translateY(6px); }

/* 15. Bob */
.sentio-abtn--hover-bob:hover { animation: sentio-abtn-bob 1s ease-in-out infinite; }
@keyframes sentio-abtn-bob {
	0%, 100% { transform: translateY(0); }
	50%      { transform: translateY(-6px); }
}

/* 16. Wobble */
.sentio-abtn--hover-wobble:hover { animation: sentio-abtn-wobble 0.8s ease-in-out; }
@keyframes sentio-abtn-wobble {
	15%  { transform: translateX(-6px) rotate(-3deg); }
	30%  { transform: translateX(4px) rotate(2deg); }
	45%  { transform: translateX(-3px) rotate(-1.5deg); }
	60%  { transform: translateX(2px) rotate(1deg); }
	75%  { transform: translateX(-1px) rotate(-0.5deg); }
	100% { transform: translateX(0) rotate(0); }
}

/* ── 17-20: Special ── */

/* 17. Pulse */
.sentio-abtn--hover-pulse:hover { animation: sentio-abtn-pulse 1s ease-in-out infinite; }
@keyframes sentio-abtn-pulse {
	0%, 100% { transform: scale(1); }
	50%      { transform: scale(1.06); }
}

/* 18. Buzz */
.sentio-abtn--hover-buzz:hover { animation: sentio-abtn-buzz 0.15s linear infinite; }
@keyframes sentio-abtn-buzz {
	0%   { transform: translateX(2px) rotate(1deg); }
	25%  { transform: translateX(-2px) rotate(-1deg); }
	50%  { transform: translateX(2px) rotate(1deg); }
	75%  { transform: translateX(-2px) rotate(-1deg); }
	100% { transform: translateX(0) rotate(0); }
}

/* 19. Shine (::after diagonal gradient sweep) */
.sentio-abtn--hover-shine::after {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
	z-index: 2;
	transition: left 0.5s ease;
}
.sentio-abtn--hover-shine:hover::after {
	left: 100%;
}

/* 20. Border Draw (outline-offset transition) */
.sentio-abtn--hover-border-draw {
	outline: 2px solid transparent;
	outline-offset: 6px;
	transition-property: color, background-color, background, border-color, box-shadow, text-shadow, transform, outline-color, outline-offset;
}
.sentio-abtn--hover-border-draw:hover {
	outline-color: var(--sentio-abtn-sweep, currentColor);
	outline-offset: 0;
}
.sentio-abtn--hover-border-draw:focus-visible {
	outline-color: currentColor;
	outline-offset: 0;
}

/* ══════════════════════════════════════════
 * ICON HOVER ANIMATIONS (Diff #2)
 * ══════════════════════════════════════════ */
.sentio-abtn--icon-slide-right:hover .sentio-abtn__icon { transform: translateX(4px); }
.sentio-abtn--icon-slide-left:hover  .sentio-abtn__icon { transform: translateX(-4px); }
.sentio-abtn--icon-slide-up:hover    .sentio-abtn__icon { transform: translateY(-3px); }
.sentio-abtn--icon-slide-down:hover  .sentio-abtn__icon { transform: translateY(3px); }
.sentio-abtn--icon-grow:hover        .sentio-abtn__icon { transform: scale(1.3); }
.sentio-abtn--icon-flip-x:hover      .sentio-abtn__icon { transform: scaleX(-1); }
.sentio-abtn--icon-flip-y:hover      .sentio-abtn__icon { transform: scaleY(-1); }

.sentio-abtn--icon-bounce:hover .sentio-abtn__icon { animation: sentio-abtn-icon-bounce 0.5s ease; }
.sentio-abtn--icon-spin:hover   .sentio-abtn__icon { animation: sentio-abtn-icon-spin   0.5s ease; }
.sentio-abtn--icon-pulse:hover  .sentio-abtn__icon { animation: sentio-abtn-icon-pulse  0.8s ease infinite; }

@keyframes sentio-abtn-icon-bounce {
	0%, 100% { transform: translateY(0); }
	40%      { transform: translateY(-6px); }
	60%      { transform: translateY(-2px); }
}

@keyframes sentio-abtn-icon-spin {
	to { transform: rotate(360deg); }
}

@keyframes sentio-abtn-icon-pulse {
	0%, 100% { transform: scale(1); }
	50%      { transform: scale(1.25); }
}

/* ══════════════════════════════════════════
 * MAGNETIC CURSOR (Diff #4)
 * ══════════════════════════════════════════ */
.sentio-abtn--magnetic {
	will-change: translate;
	transition: translate 0.15s ease-out;
}

/* ══════════════════════════════════════════
 * CLICK RIPPLE (Diff #5)
 * ══════════════════════════════════════════ */
.sentio-abtn__ripple {
	position: absolute;
	border-radius: 50%;
	width: 20px;
	height: 20px;
	transform: translate(-50%, -50%) scale(0);
	animation: sentio-abtn-ripple 0.6s ease-out forwards;
	pointer-events: none;
	z-index: 3;
	opacity: 0.5;
}

@keyframes sentio-abtn-ripple {
	to {
		transform: translate(-50%, -50%) scale(15);
		opacity: 0;
	}
}