/**
 * Animation Keyframes and Utilities
 * Witit - AI Image Generator
 */

/* Float Animation (Background Orbs) */
@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.95);
    }
}

/* Logo Glow Animation */
@keyframes logoGlow {
    0%, 100% {
        filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3)) drop-shadow(0 0 40px rgba(255, 0, 170, 0.2));
    }
    50% {
        filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.5)) drop-shadow(0 0 60px rgba(255, 0, 170, 0.3));
    }
}

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

/* Shimmer Animation (Loading Cards) */
@keyframes shimmer {
    0%, 100% {
        background: rgba(255, 255, 255, 0.05);
    }
    50% {
        background: rgba(255, 255, 255, 0.1);
    }
}

/* Field Loading Animation */
@keyframes fieldLoading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Blink Animation (Streaming Cursor) */
@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

/* Message Slide In Animation */
@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Image Card Entrance Animation */
@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(8px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Typing Dots Bounce Animation */
@keyframes typingBounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-4px);
    }
}

/* Shimmer Sweep Animation */
@keyframes shimmerSweep {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Pulse Glow Animation */
@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 20px 4px rgba(0, 212, 255, 0.2);
    }
}

/* Subtle Scale Animation */
@keyframes subtleScale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

/* Fade Out Slide Animation (for removing elements) */
@keyframes fadeOutSlide {
    from {
        opacity: 1;
        transform: translateX(0);
        max-height: 80px;
    }
    to {
        opacity: 0;
        transform: translateX(-20px);
        max-height: 0;
        padding: 0;
        margin: 0;
    }
}

.chat-item.removing {
    animation: fadeOutSlide 0.3s ease-out forwards;
    overflow: hidden;
    pointer-events: none;
}

/* ==========================================================================
   DELIGHT ANIMATIONS - Micro-interactions & Celebrations
   ========================================================================== */

/* Spring Bounce for Send Button */
@keyframes springIn {
    0% { transform: scale(0); opacity: 0; }
    50% { transform: scale(1.15); }
    80% { transform: scale(0.95); }
    100% { transform: scale(1); opacity: 1; }
}

/* Scale Pulse for Filter Pills */
@keyframes pillSelect {
    0% { transform: scale(0.92); }
    50% { transform: scale(1.08); }
    100% { transform: scale(1); }
}

/* Streaming Cursor Glow */
@keyframes cursorGlow {
    0%, 100% { filter: drop-shadow(0 0 2px rgba(0, 212, 255, 0.3)); }
    50% { filter: drop-shadow(0 0 8px rgba(0, 212, 255, 0.8)); }
}

/* New Persona Pulse Highlight */
@keyframes newPersonaPulse {
    0% { background: rgba(0, 212, 255, 0.25); }
    100% { background: transparent; }
}

/* Image Reveal - Blur to Sharp */
@keyframes imageReveal {
    0% {
        filter: blur(8px);
        opacity: 0;
        transform: scale(0.96);
    }
    100% {
        filter: blur(0);
        opacity: 1;
        transform: scale(1);
    }
}

/* Toast Dismiss Progress */
@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}

/* Empty State Logo Breathing */
@keyframes breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

/* Message Completion Bounce */
@keyframes completionBounce {
    0% { transform: scale(1); }
    50% { transform: scale(1.015); }
    100% { transform: scale(1); }
}

/* Modal Slide In */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Shuffle Drum Roll */
@keyframes drumRoll {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.02) rotate(-2deg); }
    75% { transform: scale(1.02) rotate(2deg); }
}

/* Card Flip Entrance (for shuffle) */
@keyframes cardFlipIn {
    0% {
        opacity: 0;
        transform: perspective(600px) rotateY(-90deg) scale(0.8);
    }
    100% {
        opacity: 1;
        transform: perspective(600px) rotateY(0deg) scale(1);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .orb,
    .logo,
    .logo-img,
    .empty-logo,
    .image-card.loading .placeholder-icon,
    .generate-btn .spinner,
    .streaming-cursor,
    .autocomplete-btn .spinner,
    .chat-message,
    .image-card,
    .typing-dot,
    .chat-item.removing {
        animation: none;
    }

    * {
        transition-duration: 0.01ms !important;
    }
}