/*
 * Modern Animations & Effects
 * Pengumuman Kelulusan - Enhanced UI/UX
 */

/* ============================
   CSS Variables
   ============================ */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-gradient: linear-gradient(135deg, #f7971e 0%, #ffd200 100%);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-primary: 0 8px 32px rgba(31, 38, 135, 0.37);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.5);
}

/* ============================
   Keyframe Animations
   ============================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(102, 126, 234, 0.8);
    }
}

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

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

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

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes confetti {
    0% {
        transform: translateY(0) rotateZ(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotateZ(720deg);
        opacity: 0;
    }
}

/* ============================
   Glassmorphism Effects
   ============================ */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow-primary);
}

.glass-card-strong {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.5);
}

/* ============================
   Animation Utility Classes
   ============================ */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease-out forwards;
}

.animate-slide-left {
    animation: slideInLeft 0.6s ease-out forwards;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease-out forwards;
}

.animate-bounce-in {
    animation: bounceIn 0.8s ease-out forwards;
}

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

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

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

/* Initial state for animated elements */
.animate-on-load {
    opacity: 0;
}

/* ============================
   Button Effects
   ============================ */
.btn-modern {
    position: relative;
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    background: var(--primary-gradient);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn-modern:active {
    transform: translateY(-1px);
}

.btn-modern::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 0.5s ease;
}

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

.btn-success-modern {
    background: var(--success-gradient);
    box-shadow: 0 4px 15px rgba(56, 239, 125, 0.4);
}

.btn-success-modern:hover {
    box-shadow: 0 8px 25px rgba(56, 239, 125, 0.6);
}

/* ============================
   Input Effects
   ============================ */
.input-modern {
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: #333;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.input-modern:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.3);
}

.input-modern::placeholder {
    color: rgba(0, 0, 0, 0.5);
}

/* ============================
   Gradient Text
   ============================ */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-success {
    background: var(--success-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-warning {
    background: var(--warning-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================
   Animated Background
   ============================ */
.animated-gradient-bg {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* ============================
   Countdown Enhancements
   ============================ */
.countdown-modern .countdown-block {
    transition: all 0.3s ease;
}

.countdown-modern .countdown-block:hover {
    transform: scale(1.1);
}

.countdown-circle-glow {
    filter: drop-shadow(0 0 10px rgba(255, 200, 0, 0.5));
}

/* ============================
   Card Hover Effects
   ============================ */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* ============================
   Confetti Container
   ============================ */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 9999;
}

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

/* ============================
   Loading Spinner
   ============================ */
.spinner-modern {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

/* ============================
   Toast Notifications
   ============================ */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
}

.toast {
    min-width: 300px;
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 15px;
    color: white;
    font-weight: 500;
    animation: slideInRight 0.3s ease-out;
    backdrop-filter: blur(10px);
}

.toast-success {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.9), rgba(56, 239, 125, 0.9));
}

.toast-error {
    background: linear-gradient(135deg, rgba(255, 65, 108, 0.9), rgba(255, 75, 43, 0.9));
}

.toast-info {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9), rgba(118, 75, 162, 0.9));
}

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

/* Mobile optimizations */
@media (max-width: 768px) {
    .glass-card {
        border-radius: 15px;
    }
    
    .btn-modern {
        padding: 10px 25px;
    }
}