/**
 * Custom CSS for MUI Statis
 * Animations, transitions, and utilities not available in Tailwind
 */

/* ============================================
   ANIMATIONS
   ============================================ */

/* Fade In Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-in-out;
}

/* Slide In Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

.spin {
    animation: spin 1s linear infinite;
}

/* ============================================
   IMAGE STATES
   ============================================ */

/* Image Loading State */
.image-loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

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

.image-loaded {
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.image-error {
    opacity: 0.5;
    filter: grayscale(100%);
}

/* ============================================
   SKELETON LOADERS
   ============================================ */

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 0.375rem;
}

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

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

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

.skeleton-card {
    height: 12rem;
    margin-bottom: 1rem;
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading-spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 3px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: #15803d;
    animation: spin 1s linear infinite;
}

.loading-spinner-lg {
    width: 3rem;
    height: 3rem;
    border-width: 4px;
}

.loading-spinner-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   PAGE TRANSITIONS
   ============================================ */

.page-transitioning {
    opacity: 0.7;
    pointer-events: none;
    transition: opacity 0.2s ease-in-out;
}

/* ============================================
   SMOOTH TRANSITIONS
   ============================================ */

.smooth-transition {
    transition: all 0.3s ease-in-out;
}

.smooth-transition-fast {
    transition: all 0.15s ease-in-out;
}

.smooth-transition-slow {
    transition: all 0.5s ease-in-out;
}

/* ============================================
   HOVER EFFECTS
   ============================================ */

.hover-lift {
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.hover-scale {
    transition: transform 0.2s ease-in-out;
}

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

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */

#scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background: #15803d;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease-in-out;
    z-index: 1000;
}

#scroll-to-top:hover {
    background: #166534;
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

#scroll-to-top.hidden {
    opacity: 0;
    pointer-events: none;
}

/* ============================================
   FORM ENHANCEMENTS
   ============================================ */

.form-input-focus {
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.form-input-focus:focus {
    outline: none;
    border-color: #15803d;
    box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.1);
}

.form-error {
    border-color: #dc2626 !important;
}

.form-error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1) !important;
}

.form-success {
    border-color: #16a34a !important;
}

/* ============================================
   BADGE ANIMATIONS
   ============================================ */

.badge-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ============================================
   DROPDOWN ANIMATIONS
   ============================================ */

.dropdown-enter {
    opacity: 0;
    transform: translateY(-10px);
}

.dropdown-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
}

.dropdown-exit {
    opacity: 1;
    transform: translateY(0);
}

.dropdown-exit-active {
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease-in-out, transform 0.2s ease-in-out;
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 768px) {
    #scroll-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .shadow-md,
    .shadow-lg,
    .shadow-xl {
        box-shadow: none !important;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.focus-visible:focus {
    outline: 2px solid #15803d;
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #888 #f1f1f1;
}