/**
 * Radyo Feza 97.4 - Animations CSS
 * Animasyonlar ve geçiş efektleri
 */

/* ==================== FADE ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@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);
    }
}

/* ==================== SCALE ANIMATIONS ==================== */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

/* ==================== SLIDE ANIMATIONS ==================== */
@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);
    }
}

/* ==================== FLOATING ANIMATION ==================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ==================== WAVE ANIMATION (Audio Player) ==================== */
@keyframes wave {
    0%, 100% {
        transform: scaleY(0.5);
    }
    50% {
        transform: scaleY(1);
    }
}

.wave-animation {
    display: inline-flex;
    gap: 3px;
    align-items: center;
    height: 20px;
}

.wave-animation span {
    width: 3px;
    height: 100%;
    background: var(--gold-primary);
    border-radius: 2px;
    animation: wave 1s ease-in-out infinite;
}

.wave-animation span:nth-child(1) { animation-delay: 0s; }
.wave-animation span:nth-child(2) { animation-delay: 0.1s; }
.wave-animation span:nth-child(3) { animation-delay: 0.2s; }
.wave-animation span:nth-child(4) { animation-delay: 0.3s; }
.wave-animation span:nth-child(5) { animation-delay: 0.4s; }

/* ==================== SHIMMER LOADING ==================== */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.shimmer {
    background: linear-gradient(
        90deg,
        var(--light-gray) 0%,
        var(--off-white) 50%,
        var(--light-gray) 100%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite;
}

/* ==================== SPIN ANIMATION ==================== */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--gold-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* ==================== GRADIENT BACKGROUND ANIMATION ==================== */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.gradient-animation {
    background: linear-gradient(
        135deg,
        var(--cyan-primary),
        var(--teal),
        var(--green-primary)
    );
    background-size: 200% 200%;
    animation: gradientShift 10s ease infinite;
}

/* ==================== STARS ANIMATION (Background) ==================== */
@keyframes twinkle {
    0%, 100% {
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

.stars {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s ease-in-out infinite;
}

/* ==================== UTILITY ANIMATION CLASSES ==================== */
.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.6s ease-out;
}

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

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

/* ==================== HOVER EFFECTS ==================== */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

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

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.4);
}

/* ==================== PAGE TRANSITION ==================== */
.page-transition {
    animation: fadeInUp 0.8s ease-out;
}

/* ==================== SKELETON LOADING ==================== */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--light-gray) 25%,
        var(--off-white) 50%,
        var(--light-gray) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-title {
    height: 32px;
    margin-bottom: 16px;
}

.skeleton-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* ==================== SMOOTH SCROLL ==================== */
html {
    scroll-behavior: smooth;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}