/**
 * ANIMATIONS CSS
 * Premium animations for the Salon Booking System
 */

/* ===================================================================
   CSS VARIABLES FOR ANIMATIONS
   =================================================================== */
:root {
    --animation-fast: 0.2s;
    --animation-normal: 0.4s;
    --animation-slow: 0.6s;
    --animation-slower: 0.8s;
    --animation-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --animation-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --animation-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===================================================================
   KEYFRAME ANIMATIONS
   =================================================================== */

/* Fade In */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Down */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Left */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Fade In Right */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Scale In Bounce */
@keyframes scaleInBounce {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.95);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide In Up */
@keyframes slideInUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Slide In Down */
@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Float Animation */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Pulse */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Pulse Glow */
@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(212, 165, 116, 0.4);
    }
    50% {
        box-shadow: 0 0 20px 10px rgba(212, 165, 116, 0);
    }
}

/* Shimmer */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Rotate */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Bounce */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-20px); }
    60% { transform: translateY(-10px); }
}

/* Shake */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Wiggle */
@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

/* Gradient Shift */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Typing Cursor */
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* Wave */
@keyframes wave {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(20deg); }
    75% { transform: rotate(-15deg); }
}

/* ===================================================================
   ANIMATION UTILITY CLASSES
   =================================================================== */

/* Fade Animations */
.animate-fade-in {
    animation: fadeIn var(--animation-normal) var(--animation-easing) forwards;
}

.animate-fade-in-up {
    animation: fadeInUp var(--animation-normal) var(--animation-easing) forwards;
}

.animate-fade-in-down {
    animation: fadeInDown var(--animation-normal) var(--animation-easing) forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft var(--animation-normal) var(--animation-easing) forwards;
}

.animate-fade-in-right {
    animation: fadeInRight var(--animation-normal) var(--animation-easing) forwards;
}

/* Scale Animations */
.animate-scale-in {
    animation: scaleIn var(--animation-normal) var(--animation-easing) forwards;
}

.animate-scale-in-bounce {
    animation: scaleInBounce var(--animation-slow) var(--animation-bounce) forwards;
}

/* Continuous Animations */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 2s ease infinite;
}

.animate-wiggle {
    animation: wiggle 1s ease-in-out infinite;
}

.animate-rotate {
    animation: rotate 2s linear infinite;
}

/* Animation Delays */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* Animation Duration */
.duration-fast { animation-duration: var(--animation-fast); }
.duration-normal { animation-duration: var(--animation-normal); }
.duration-slow { animation-duration: var(--animation-slow); }
.duration-slower { animation-duration: var(--animation-slower); }

/* ===================================================================
   SCROLL-TRIGGERED ANIMATIONS (JavaScript Required)
   =================================================================== */

/* Initial state for scroll animations */
[data-animate] {
    opacity: 0;
}

[data-animate="fade-up"] {
    transform: translateY(40px);
    transition: opacity var(--animation-slow) var(--animation-easing),
                transform var(--animation-slow) var(--animation-easing);
}

[data-animate="fade-down"] {
    transform: translateY(-40px);
    transition: opacity var(--animation-slow) var(--animation-easing),
                transform var(--animation-slow) var(--animation-easing);
}

[data-animate="fade-left"] {
    transform: translateX(-40px);
    transition: opacity var(--animation-slow) var(--animation-easing),
                transform var(--animation-slow) var(--animation-easing);
}

[data-animate="fade-right"] {
    transform: translateX(40px);
    transition: opacity var(--animation-slow) var(--animation-easing),
                transform var(--animation-slow) var(--animation-easing);
}

[data-animate="scale"] {
    transform: scale(0.9);
    transition: opacity var(--animation-slow) var(--animation-easing),
                transform var(--animation-slow) var(--animation-easing);
}

[data-animate="zoom"] {
    transform: scale(0.5);
    transition: opacity var(--animation-slow) var(--animation-bounce),
                transform var(--animation-slow) var(--animation-bounce);
}

/* Animated state */
[data-animate].animated {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* Stagger children */
[data-animate-stagger] > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--animation-normal) var(--animation-easing),
                transform var(--animation-normal) var(--animation-easing);
}

[data-animate-stagger].animated > *:nth-child(1) { transition-delay: 0.1s; }
[data-animate-stagger].animated > *:nth-child(2) { transition-delay: 0.2s; }
[data-animate-stagger].animated > *:nth-child(3) { transition-delay: 0.3s; }
[data-animate-stagger].animated > *:nth-child(4) { transition-delay: 0.4s; }
[data-animate-stagger].animated > *:nth-child(5) { transition-delay: 0.5s; }
[data-animate-stagger].animated > *:nth-child(6) { transition-delay: 0.6s; }

[data-animate-stagger].animated > * {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================================================
   ENHANCED COMPONENT ANIMATIONS
   =================================================================== */

/* Header Animation */
.header {
    animation: slideInDown var(--animation-normal) var(--animation-easing);
}

/* Hero Section */
.hero-title {
    animation: fadeInUp var(--animation-slow) var(--animation-easing);
}

.hero-subtitle {
    animation: fadeInUp var(--animation-slow) var(--animation-easing) 0.2s backwards;
}

.hero .btn {
    animation: fadeInUp var(--animation-slow) var(--animation-easing) 0.4s backwards;
}

/* Cards */
.card {
    transition: transform var(--animation-normal) var(--animation-easing),
                box-shadow var(--animation-normal) var(--animation-easing);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Service Cards */
.service-card {
    transition: transform var(--animation-normal) var(--animation-easing),
                box-shadow var(--animation-normal) var(--animation-easing);
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.service-card-image {
    transition: transform var(--animation-slow) var(--animation-easing);
    overflow: hidden;
}

.service-card:hover .service-card-image img {
    transform: scale(1.1);
}

/* Feature Cards */
.feature-card {
    transition: transform var(--animation-normal) var(--animation-easing),
                box-shadow var(--animation-normal) var(--animation-easing),
                background-color var(--animation-normal) var(--animation-easing);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-card i {
    transition: transform var(--animation-normal) var(--animation-bounce);
}

.feature-card:hover i {
    transform: scale(1.2);
}

/* Buttons */
.btn {
    position: relative;
    overflow: hidden;
    transition: all var(--animation-fast) var(--animation-easing);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:active {
    transform: scale(0.95);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 165, 116, 0.4);
}

/* Form Inputs */
.form-input,
.form-select,
.form-textarea {
    transition: border-color var(--animation-fast) var(--animation-easing),
                box-shadow var(--animation-fast) var(--animation-easing),
                transform var(--animation-fast) var(--animation-easing);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.15);
}

/* Links */
a {
    transition: color var(--animation-fast) var(--animation-easing);
}

/* Navigation Links */
.nav-menu a {
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--animation-normal) var(--animation-easing),
                left var(--animation-normal) var(--animation-easing);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
    left: 0;
}

/* Location Cards */
.location-card,
.location-card-detail {
    transition: transform var(--animation-normal) var(--animation-easing),
                box-shadow var(--animation-normal) var(--animation-easing);
}

.location-card:hover,
.location-card-detail:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Booking Step Cards */
.location-card.selected,
.service-item.selected,
.staff-card-booking.selected,
.time-slot.selected {
    animation: pulseGlow 1s ease-in-out;
}

/* Stats Cards */
.stat-card {
    transition: transform var(--animation-normal) var(--animation-easing),
                box-shadow var(--animation-normal) var(--animation-easing);
}

.stat-card:hover {
    transform: translateY(-5px) scale(1.02);
}

.stat-value {
    transition: transform var(--animation-normal) var(--animation-bounce);
}

.stat-card:hover .stat-value {
    transform: scale(1.1);
}

/* Badges */
.badge {
    transition: transform var(--animation-fast) var(--animation-easing);
}

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

/* Alerts */
.alert {
    animation: fadeInDown var(--animation-normal) var(--animation-easing);
}

/* Modals */
.modal {
    transition: opacity var(--animation-normal) var(--animation-easing);
}

.modal.active {
    animation: fadeIn var(--animation-fast) var(--animation-easing);
}

.modal-content {
    transform: scale(0.9) translateY(-20px);
    transition: transform var(--animation-normal) var(--animation-bounce),
                opacity var(--animation-normal) var(--animation-easing);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
    animation: scaleInBounce var(--animation-slow) var(--animation-bounce);
}

/* Tables */
.table tbody tr {
    transition: background-color var(--animation-fast) var(--animation-easing);
}

/* Mobile Menu */
.mobile-menu {
    transition: opacity var(--animation-fast) var(--animation-easing),
                transform var(--animation-fast) var(--animation-easing);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-menu-list li {
    transform: translateX(-20px);
    opacity: 0;
    transition: transform var(--animation-normal) var(--animation-easing),
                opacity var(--animation-normal) var(--animation-easing);
}

.mobile-menu.active .mobile-menu-list li {
    transform: translateX(0);
    opacity: 1;
}

.mobile-menu.active .mobile-menu-list li:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-menu-list li:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-menu-list li:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.active .mobile-menu-list li:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.active .mobile-menu-list li:nth-child(5) { transition-delay: 0.3s; }
.mobile-menu.active .mobile-menu-list li:nth-child(6) { transition-delay: 0.35s; }
.mobile-menu.active .mobile-menu-list li:nth-child(7) { transition-delay: 0.4s; }

/* ===================================================================
   LOADING ANIMATIONS
   =================================================================== */

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg,
        var(--surface) 25%,
        var(--background) 50%,
        var(--surface) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 1.5em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-image {
    height: 200px;
    width: 100%;
}

/* Loading Spinner Enhancement */
.spinner {
    animation: rotate 1s linear infinite;
}

/* Progress Bar Animation */
.progress-bar {
    position: relative;
    overflow: hidden;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

/* ===================================================================
   PAGE TRANSITIONS
   =================================================================== */

/* Page Load Animation */
.main-content {
    animation: fadeIn var(--animation-slow) var(--animation-easing);
}

/* Auth Pages */
.auth-container .auth-card {
    animation: fadeInUp var(--animation-slow) var(--animation-easing);
}

.auth-logo i {
    animation: scaleInBounce var(--animation-slower) var(--animation-bounce);
}

/* Dashboard Hero */
.dashboard-hero {
    animation: fadeIn var(--animation-normal) var(--animation-easing);
}

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

/* Lift on Hover */
.hover-lift {
    transition: transform var(--animation-normal) var(--animation-easing),
                box-shadow var(--animation-normal) var(--animation-easing);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Glow on Hover */
.hover-glow:hover {
    box-shadow: 0 0 20px rgba(212, 165, 116, 0.3);
}

/* Rotate on Hover */
.hover-rotate {
    transition: transform var(--animation-normal) var(--animation-easing);
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* Icon Spin on Hover */
.hover-icon-spin:hover i {
    animation: rotate 0.5s var(--animation-easing);
}

/* Underline Effect */
.hover-underline {
    position: relative;
}

.hover-underline::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width var(--animation-normal) var(--animation-easing);
}

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

/* ===================================================================
   SPECIAL EFFECTS
   =================================================================== */

/* Gradient Background Animation */
.gradient-animated {
    background: linear-gradient(-45deg, var(--primary), var(--primary-dark), var(--secondary), var(--primary));
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Typing Cursor Effect */
.typing-cursor::after {
    content: '|';
    animation: blink 1s step-end infinite;
}

/* Sparkle Effect for Icons */
.sparkle-icon {
    position: relative;
}

.sparkle-icon::before,
.sparkle-icon::after {
    content: '✦';
    position: absolute;
    font-size: 0.5em;
    opacity: 0;
    animation: sparkle 2s ease-in-out infinite;
}

.sparkle-icon::before {
    top: -5px;
    right: -5px;
    animation-delay: 0.5s;
}

.sparkle-icon::after {
    bottom: -5px;
    left: -5px;
}

@keyframes sparkle {
    0%, 100% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
}

/* Shine Effect */
.shine {
    position: relative;
    overflow: hidden;
}

.shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: skewX(-25deg);
}

.shine:hover::before {
    animation: shine 0.8s ease-in-out;
}

@keyframes shine {
    to { left: 150%; }
}

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}