/**
 * Premium UX/UI Enhancements
 * Advanced animations, glassmorphism, and micro-interactions
 * 
 * Adds premium feel to LIFF app with:
 * - Glassmorphism effects
 * - Advanced animations
 * - Micro-interactions
 * - Floating elements
 * - Glow effects
 */

/* ==================== CSS Variables - Premium Additions ==================== */
:root {
    /* Glassmorphism */
    --glass-light: rgba(255, 255, 255, 0.25);
    --glass-dark: rgba(0, 0, 0, 0.1);
    --glass-blur: 20px;
    --glass-border: rgba(255, 255, 255, 0.18);
    
    /* Glow Effects */
    --glow-primary: 0 0 20px rgba(17, 176, 166, 0.4);
    --glow-gold: 0 0 25px rgba(255, 215, 0, 0.5);
    --glow-platinum: 0 0 25px rgba(99, 102, 241, 0.5);
    
    /* Premium Transitions */
    --transition-premium: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --transition-elastic: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* ==================== Glassmorphism Components ==================== */

/* Glass Card */
.glass-card {
    background: var(--glass-light);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* Glass Button */
.btn-glass {
    background: var(--glass-light);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.btn-glass:active {
    background: rgba(255, 255, 255, 0.35);
}

/* ==================== Premium Animations ==================== */

/* Fade In Up */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

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

.animate-scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

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

.animate-slide-in-right {
    animation: slideInRight 0.5s ease-out forwards;
}

/* Float Animation */
@keyframes floatUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.animate-float {
    animation: floatUp 3s ease-in-out infinite;
}

/* Pulse Glow */
@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(17, 176, 166, 0.3);
    }
    50% {
        box-shadow: 0 0 25px rgba(17, 176, 166, 0.6);
    }
}

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

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

.animate-shimmer {
    background: linear-gradient(
        90deg,
        transparent 25%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 75%
    );
    background-size: 200% 100%;
    animation: shimmerPremium 2s infinite;
}

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

.animate-gradient {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* ==================== Enhanced Member Card ==================== */

/* Premium Member Card */
.member-card-premium {
    position: relative;
    overflow: hidden;
}

.member-card-premium::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    animation: shimmerPremium 4s infinite;
    pointer-events: none;
}

/* Tier Glow Effects */
.member-card[style*="gold"] {
    box-shadow: 0 10px 40px rgba(255, 215, 0, 0.3);
}

.member-card[style*="platinum"] {
    box-shadow: 0 10px 40px rgba(51, 65, 85, 0.4);
}

.member-card[style*="silver"] {
    box-shadow: 0 10px 40px rgba(192, 192, 192, 0.3);
}

/* Card Hover/Active Effects */
.member-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

/* ==================== Enhanced Service Grid ==================== */

/* Premium Service Icon */
.service-icon-premium {
    position: relative;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 8px 20px rgba(17, 176, 166, 0.3);
    transition: all var(--transition-premium);
}

.service-icon-premium::after {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, rgba(255,255,255,0.5), transparent);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.service-item:active .service-icon-premium {
    transform: scale(0.95);
    box-shadow: 0 4px 10px rgba(17, 176, 166, 0.4);
}

.service-item:active .service-icon-premium::after {
    opacity: 1;
}

/* Staggered Animation for Service Items */
.service-item:nth-child(1) { animation-delay: 0ms; }
.service-item:nth-child(2) { animation-delay: 50ms; }
.service-item:nth-child(3) { animation-delay: 100ms; }
.service-item:nth-child(4) { animation-delay: 150ms; }
.service-item:nth-child(5) { animation-delay: 200ms; }
.service-item:nth-child(6) { animation-delay: 250ms; }

.service-item.animate-fade-in-up {
    animation-fill-mode: both;
}

/* ==================== Enhanced AI Assistant Card ==================== */

.ai-assistant-card-premium {
    position: relative;
    background: linear-gradient(135deg, #8B5CF6 0%, #7C3AED 50%, #6D28D9 100%);
    background-size: 200% 200%;
    animation: gradientShift 4s ease infinite;
    overflow: hidden;
}

.ai-assistant-card-premium::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 50%);
    animation: floatUp 8s ease-in-out infinite;
}

.ai-assistant-icon-premium {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    animation: pulseGlow 3s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

/* ==================== Enhanced Bottom Navigation ==================== */

.bottom-nav-premium {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-item-premium {
    position: relative;
    transition: all var(--transition-fast);
}

.nav-item-premium.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--primary);
    border-radius: 0 0 4px 4px;
    animation: scaleIn 0.3s ease-out;
}

.nav-item-premium.active {
    color: var(--primary);
    transform: translateY(-2px);
}

.nav-item-premium i {
    transition: transform var(--transition-bounce);
}

.nav-item-premium:active i {
    transform: scale(0.85);
}

/* ==================== Enhanced Points Display ==================== */

.points-display-premium {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    color: #78350F;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
    animation: pulseGlow 2.5s ease-in-out infinite;
}

.points-value-animate {
    display: inline-block;
    transition: transform 0.3s ease;
}

.points-value-animate.increment {
    animation: pointsIncrement 0.5s ease-out;
}

@keyframes pointsIncrement {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); color: #10B981; }
    100% { transform: scale(1); }
}

/* ==================== Toast Notifications Premium ==================== */

.toast-premium {
    background: rgba(31, 41, 55, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: toastSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes toastSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.toast-premium.success {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.4);
}

.toast-premium i {
    animation: toastIconPop 0.5s ease-out 0.2s both;
}

@keyframes toastIconPop {
    from { transform: scale(0); }
    to { transform: scale(1); }
}

/* ==================== Loading States Premium ==================== */

.loading-spinner-premium {
    width: 48px;
    height: 48px;
    border: 3px solid var(--bg-gray);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    box-shadow: 0 0 15px rgba(17, 176, 166, 0.3);
}

.loading-dots {
    display: flex;
    gap: 6px;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    background: var(--primary);
    border-radius: 50%;
    animation: loadingDotBounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(1) { animation-delay: 0s; }
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes loadingDotBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

/* ==================== Button Premium Effects ==================== */

.btn-premium {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-premium);
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-premium:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary-premium {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 4px 15px rgba(17, 176, 166, 0.3);
}

.btn-primary-premium:hover {
    box-shadow: 0 6px 20px rgba(17, 176, 166, 0.4);
    transform: translateY(-2px);
}

.btn-primary-premium:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(17, 176, 166, 0.3);
}

/* ==================== Profile Avatar Premium ==================== */

.avatar-premium {
    position: relative;
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.avatar-premium.online::after {
    content: '';
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 14px;
    height: 14px;
    background: var(--success);
    border: 3px solid white;
    border-radius: 50%;
    animation: pulseGlow 2s ease-in-out infinite;
}

/* ==================== Onboarding Welcome Animation ==================== */

.welcome-premium {
    position: relative;
    text-align: center;
    padding: var(--space-8);
}

.welcome-premium-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, #6EE7B7 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    font-size: 36px;
    color: white;
    animation: welcomeIconPop 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.3s both;
    box-shadow: 0 10px 30px rgba(17, 176, 166, 0.3);
}

@keyframes welcomeIconPop {
    from {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    to {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

.welcome-premium-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
    animation: fadeInUp 0.5s ease-out 0.5s both;
}

.welcome-premium-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 var(--space-6);
    animation: fadeInUp 0.5s ease-out 0.7s both;
}

.welcome-premium-points {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: #78350F;
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
    animation: fadeInUp 0.5s ease-out 0.9s both, pulseGlow 2s ease-in-out 1.4s infinite;
}

/* ==================== Confetti Animation (for welcome) ==================== */

.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    opacity: 0;
    animation: confettiFall 3s ease-out forwards;
}

@keyframes confettiFall {
    0% {
        opacity: 1;
        transform: translateY(-100vh) rotate(0deg);
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) rotate(720deg);
    }
}

/* ==================== Reduced Motion Support ==================== */

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