/* Page Transitions */
.transition-fade {
    animation: fadeTransition 0.3s ease-in-out;
}

.transition-slide-left {
    animation: slideLeft 0.3s ease-out;
}

.transition-slide-right {
    animation: slideRight 0.3s ease-out;
}

@keyframes fadeTransition {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes slideLeft {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideRight {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Entrance Animations */
.fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

.slide-up {
    animation: slideUp 0.4s ease-out forwards;
}

.scale-in {
    animation: scaleIn 0.3s ease-out forwards;
}

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

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* Micro-interactions */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.bounce {
    animation: bounce 0.5s ease-out;
}

.shake {
    animation: shake 0.5s ease-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-10px);
    }
    75% {
        transform: translateX(10px);
    }
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-card) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        var(--bg-card) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 8px;
}

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

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

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

.skeleton-card {
    height: 200px;
    margin-bottom: 1rem;
}

/* Pull to Refresh */
.pull-to-refresh {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: top 0.3s ease;
}

.pull-to-refresh.visible {
    top: 10px;
}

.pull-to-refresh i {
    font-size: 1.5rem;
    color: var(--accent-color);
    animation: spin 1s linear infinite;
}

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

/* Swipe Indicator */
.swipe-indicator {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: white;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.swipe-indicator.left {
    left: 20px;
}

.swipe-indicator.right {
    right: 20px;
}

.swipe-indicator.visible {
    opacity: 0.8;
}

/* Modal Animations */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 9998;
    animation: fadeIn 0.3s ease-out;
}

.modal {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-radius: 20px 20px 0 0;
    z-index: 9999;
    animation: slideUpModal 0.3s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

@keyframes slideUpModal {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    animation: fadeIn 0.4s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

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

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-small {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Progress Bar */
.progress-bar {
    height: 3px;
    background: var(--bg-card);
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: var(--accent-color);
    animation: progress 1.5s ease-in-out infinite;
}

@keyframes progress {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-color);
    color: white;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 100;
    transition: transform 0.2s, box-shadow 0.2s;
}

.fab:active {
    transform: scale(0.95);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    color: var(--text-color);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    animation: toastIn 0.3s ease-out;
}

@keyframes toastIn {
    from {
        transform: translateX(-50%) translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

/* Page Hidden/Visible */
.page {
    display: none;
}

.page.active {
    display: block;
}