/**
 * ═══════════════════════════════════════════════════════════════════════════
 * PREMIUM HOVER EFFECTS LIBRARY — Sa Đéc Marketing Hub
 *
 * High-quality hover effects with smooth transitions and GPU acceleration
 *
 * Usage:
 *   <link rel="stylesheet" href="/assets/css/premium-hover-effects.css">
 *
 * @version 1.0.0 | 2026-03-14
 * @module premium-hover-effects
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ============================================================================
   PREMIUM HOVER TOKENS
   ============================================================================ */

:root {
    /* Transition Settings */
    --premium-transition-fast: 120ms var(--premium-ease-default);
    --premium-transition-normal: 240ms var(--premium-ease-default);
    --premium-transition-slow: 400ms var(--premium-ease-default);
    --premium-transition-bounce: 400ms var(--premium-ease-bounce);
    --premium-transition-elastic: 500ms var(--premium-ease-elastic);

    /* Hover Lift Amounts */
    --premium-lift-sm: -2px;
    --premium-lift-md: -4px;
    --premium-lift-lg: -8px;
    --premium-lift-xl: -12px;

    /* Hover Scale Amounts */
    --premium-scale-sm: 1.02;
    --premium-scale-md: 1.04;
    --premium-scale-lg: 1.06;
    --premium-scale-xl: 1.08;
}

/* ============================================================================
   BUTTON HOVER EFFECTS
   ============================================================================ */

/* Premium Button Base */
.premium-btn {
    position: relative;
    overflow: hidden;
    transition: all var(--premium-transition-normal);
    border: none;
    cursor: pointer;
    font-weight: 500;
    letter-spacing: 0.25px;
}

/* Effect 1: Gradient Shine */
.premium-btn-shine {
    background: linear-gradient(45deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-primary-dark) 100%);
    color: white;
}

.premium-btn-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left var(--premium-transition-slow);
}

.premium-btn-shine:hover::before {
    left: 100%;
}

.premium-btn-shine:hover {
    transform: translateY(-2px);
    box-shadow: var(--premium-glow-primary);
}

/* Effect 2: Fill Animation */
.premium-btn-fill {
    background: transparent;
    border: 2px solid var(--md-sys-color-primary);
    color: var(--md-sys-color-primary);
}

.premium-btn-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: var(--md-sys-color-primary);
    transition: width var(--premium-transition-normal) var(--premium-ease-out-expo);
    z-index: -1;
}

.premium-btn-fill:hover::before {
    width: 100%;
}

.premium-btn-fill:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--premium-glow-primary);
}

/* Effect 3: Border Expand */
.premium-btn-border-expand {
    background: var(--md-sys-color-primary);
    color: white;
}

.premium-btn-border-expand::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid currentColor;
    transform: scale(1);
    transition: transform var(--premium-transition-normal) var(--premium-ease-out-expo);
}

.premium-btn-border-expand:hover::after {
    transform: scale(1.05);
}

.premium-btn-border-expand:hover {
    transform: translateY(-3px);
    box-shadow: var(--premium-glow-primary-strong);
}

/* Effect 4: Icon Slide */
.premium-btn-icon-slide {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

.premium-btn-icon-slide .icon {
    transition: transform var(--premium-transition-fast) var(--premium-ease-bounce);
}

.premium-btn-icon-slide:hover .icon {
    transform: translateX(4px) rotate(5deg);
}

.premium-btn-icon-slide:hover {
    background: var(--md-sys-color-primary);
    color: white;
    transform: translateY(-2px);
}

/* Effect 5: 3D Lift */
.premium-btn-3d {
    background: var(--md-sys-color-primary);
    color: white;
    box-shadow: 0 4px 0 var(--md-sys-color-primary-dark);
    transform: translateY(0);
    transition: all var(--premium-transition-fast);
}

.premium-btn-3d:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 0 var(--md-sys-color-primary-dark);
}

.premium-btn-3d:active {
    transform: translateY(-2px);
    box-shadow: 0 2px 0 var(--md-sys-color-primary-dark);
}

/* Effect 6: Ripple Click */
.premium-btn-ripple {
    position: relative;
    overflow: hidden;
    background: var(--md-sys-color-primary);
    color: white;
}

.premium-btn-ripple::before {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: scale(0);
    transition: transform 0.6s ease-out;
}

.premium-btn-ripple:active::before {
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    transform: scale(1);
}

.premium-btn-ripple:hover {
    transform: translateY(-2px);
    box-shadow: var(--premium-glow-primary);
}

/* Effect 7: Glow Border */
.premium-btn-glow {
    position: relative;
    background: transparent;
    border: 2px solid var(--md-sys-color-primary);
    color: var(--md-sys-color-primary);
}

.premium-btn-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, var(--md-sys-color-primary), var(--md-sys-color-secondary), var(--md-sys-color-tertiary));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--premium-transition-normal);
    border-radius: inherit;
}

.premium-btn-glow:hover::before {
    opacity: 1;
    animation: premiumGradientFlow 2s linear infinite;
    background-size: 200% 200%;
}

.premium-btn-glow:hover {
    color: white;
    transform: translateY(-2px);
}

/* ============================================================================
   CARD HOVER EFFECTS
   ============================================================================ */

/* Premium Card Base */
.premium-card {
    transition: all var(--premium-transition-normal);
    border-radius: 12px;
    overflow: hidden;
}

/* Effect 1: Lift Shadow */
.premium-card-lift {
    box-shadow: var(--premium-shadow-md);
}

.premium-card-lift:hover {
    transform: translateY(var(--premium-lift-lg));
    box-shadow: var(--premium-shadow-2xl);
}

/* Effect 2: Border Glow */
.premium-card-glow {
    border: 1px solid var(--md-sys-color-outline-variant);
    transition: border-color var(--premium-transition-fast), box-shadow var(--premium-transition-normal);
}

.premium-card-glow:hover {
    border-color: var(--md-sys-color-primary);
    box-shadow: var(--premium-glow-primary);
    transform: translateY(-4px);
}

/* Effect 3: Image Zoom */
.premium-card-image-zoom {
    overflow: hidden;
}

.premium-card-image-zoom .card-image {
    transition: transform var(--premium-transition-slow) var(--premium-ease-out-expo);
}

.premium-card-image-zoom:hover .card-image {
    transform: scale(1.1);
}

.premium-card-image-zoom:hover {
    transform: translateY(-4px);
    box-shadow: var(--premium-shadow-xl);
}

/* Effect 4: Content Slide */
.premium-card-content-slide {
    position: relative;
}

.premium-card-content-slide .card-content {
    transition: transform var(--premium-transition-normal) var(--premium-ease-out-expo);
}

.premium-card-content-slide:hover .card-content {
    transform: translateY(-8px);
}

.premium-card-content-slide:hover {
    box-shadow: var(--premium-shadow-lg);
}

/* Effect 5: Corner Accent */
.premium-card-corner-accent {
    position: relative;
    border: 1px solid var(--md-sys-color-outline-variant);
}

.premium-card-corner-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    border-top: 3px solid var(--md-sys-color-primary);
    border-left: 3px solid var(--md-sys-color-primary);
    transition: all var(--premium-transition-normal) var(--premium-ease-out-expo);
}

.premium-card-corner-accent:hover::before {
    width: 100%;
    height: 100%;
    opacity: 0.5;
}

.premium-card-corner-accent:hover {
    transform: translateY(-4px);
    box-shadow: var(--premium-shadow-lg);
}

/* Effect 6: Scale & Glow */
.premium-card-scale-glow {
    transition: transform var(--premium-transition-bounce), box-shadow var(--premium-transition-normal);
}

.premium-card-scale-glow:hover {
    transform: scale(var(--premium-scale-md));
    box-shadow: var(--premium-glow-accent);
}

/* Effect 7: Reveal Overlay */
.premium-card-reveal {
    position: relative;
    overflow: hidden;
}

.premium-card-reveal .card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    transform: translateY(100%);
    transition: transform var(--premium-transition-normal) var(--premium-ease-out-expo);
    display: flex;
    align-items: flex-end;
    padding: 16px;
}

.premium-card-reveal:hover .card-overlay {
    transform: translateY(0);
}

/* ============================================================================
   INPUT HOVER/FOCUS EFFECTS
   ============================================================================ */

/* Premium Input Base */
.premium-input {
    padding: 12px 16px;
    border: 2px solid var(--md-sys-color-outline-variant);
    border-radius: 8px;
    transition: all var(--premium-transition-fast);
    background: var(--md-sys-color-surface);
    font-size: 16px;
}

/* Effect 1: Border Glow */
.premium-input-glow:hover {
    border-color: var(--md-sys-color-primary);
}

.premium-input-glow:focus {
    border-color: var(--md-sys-color-primary);
    box-shadow: var(--premium-glow-primary);
    outline: none;
}

/* Effect 2: Floating Label */
.premium-input-floating {
    position: relative;
}

.premium-input-floating input {
    padding: 16px;
    border: 2px solid var(--md-sys-color-outline-variant);
    border-radius: 8px;
    outline: none;
    transition: border-color var(--premium-transition-fast);
}

.premium-input-floating label {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--md-sys-color-surface);
    padding: 0 4px;
    color: var(--md-sys-color-on-surface-variant);
    transition: all var(--premium-transition-normal) var(--premium-ease-out-expo);
    pointer-events: none;
}

.premium-input-floating input:focus,
.premium-input-floating input:not(:placeholder-shown) {
    border-color: var(--md-sys-color-primary);
}

.premium-input-floating input:focus + label,
.premium-input-floating input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 12px;
    color: var(--md-sys-color-primary);
}

.premium-input-floating input:focus {
    box-shadow: var(--premium-glow-primary);
}

/* Effect 3: Underline Expand */
.premium-input-underline {
    border: none;
    border-bottom: 2px solid var(--md-sys-color-outline-variant);
    border-radius: 0;
    background: transparent;
}

.premium-input-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--md-sys-color-primary);
    transition: all var(--premium-transition-normal) var(--premium-ease-out-expo);
}

.premium-input-underline:focus::after {
    width: 100%;
    left: 0;
}

/* Effect 4: Icon Bounce */
.premium-input-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.premium-input-icon .input-icon {
    transition: transform var(--premium-transition-fast) var(--premium-ease-bounce), color var(--premium-transition-fast);
}

.premium-input-icon:focus-within .input-icon {
    transform: scale(1.2);
    color: var(--md-sys-color-primary);
}

.premium-input-icon:focus-within input {
    border-color: var(--md-sys-color-primary);
    box-shadow: var(--premium-glow-primary);
}

/* ============================================================================
   LINK HOVER EFFECTS
   ============================================================================ */

/* Effect 1: Underline Slide */
.premium-link-underline {
    position: relative;
    text-decoration: none;
    color: var(--md-sys-color-primary);
}

.premium-link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--premium-transition-normal) var(--premium-ease-out-expo);
}

.premium-link-underline:hover::after {
    width: 100%;
}

/* Effect 2: Color Shift */
.premium-link-shift {
    color: var(--md-sys-color-on-surface);
    transition: color var(--premium-transition-fast);
}

.premium-link-shift:hover {
    color: var(--md-sys-color-primary);
}

/* Effect 3: Glow Text */
.premium-link-glow {
    color: var(--md-sys-color-on-surface);
    text-shadow: none;
    transition: all var(--premium-transition-fast);
}

.premium-link-glow:hover {
    color: var(--md-sys-color-primary);
    text-shadow: var(--premium-glow-primary);
}

/* ============================================================================
   AVATAR HOVER EFFECTS
   ============================================================================ */

.premium-avatar {
    border-radius: 50%;
    transition: all var(--premium-transition-bounce);
}

.premium-avatar:hover {
    transform: scale(1.1);
    box-shadow: var(--premium-shadow-md);
}

.premium-avatar-ring {
    position: relative;
}

.premium-avatar-ring::before {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--md-sys-color-outline-variant);
    border-radius: 50%;
    transition: all var(--premium-transition-normal);
}

.premium-avatar-ring:hover::before {
    border-color: var(--md-sys-color-primary);
    transform: scale(1.1);
    box-shadow: var(--premium-glow-primary);
}

/* ============================================================================
   BADGE HOVER EFFECTS
   ============================================================================ */

.premium-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
    transition: all var(--premium-transition-fast);
}

.premium-badge:hover {
    transform: scale(1.05);
}

.premium-badge-primary:hover {
    background: var(--md-sys-color-primary);
    color: white;
    box-shadow: var(--premium-glow-primary);
}

.premium-badge-success:hover {
    background: var(--md-sys-color-tertiary);
    color: white;
    box-shadow: var(--premium-glow-success);
}

.premium-badge-error:hover {
    background: #D32F2F;
    color: white;
    box-shadow: var(--premium-glow-error);
}

/* ============================================================================
   TOGGLE SWITCH EFFECTS
   ============================================================================ */

.premium-toggle {
    position: relative;
    width: 48px;
    height: 28px;
    background: var(--md-sys-color-outline-variant);
    border-radius: 14px;
    cursor: pointer;
    transition: all var(--premium-transition-normal);
}

.premium-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--premium-shadow-sm);
    transition: all var(--premium-transition-bounce);
}

.premium-toggle[aria-checked="true"] {
    background: var(--md-sys-color-primary);
}

.premium-toggle[aria-checked="true"]::after {
    transform: translateX(20px);
}

.premium-toggle:hover::after {
    transform: scale(1.1);
}

/* ============================================================================
   REDUCED MOTION SUPPORT
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }

    .premium-btn-3d {
        box-shadow: none;
    }
}