/* ================================
   LOADING INDICATORS & ANIMATIONS
   ================================ */

/* ==================
   PAGE PRELOADER
   ================== */
.page-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a2530 0%, #2c3e50 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 99999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-logo {
    width: 150px;
    height: 150px;
    margin-bottom: 30px;
    animation: logoFloat 3s ease-in-out infinite;
}

.preloader-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 20px rgba(52, 152, 219, 0.5));
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-20px) scale(1.05);
    }
}

.preloader-spinner {
    width: 80px;
    height: 80px;
    position: relative;
    margin-bottom: 20px;
}

.preloader-spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spinRing 1.5s linear infinite;
}

.preloader-spinner-ring:nth-child(2) {
    border-top-color: #f1c40f;
    animation-delay: 0.3s;
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
}

.preloader-spinner-ring:nth-child(3) {
    border-top-color: #2ecc71;
    animation-delay: 0.6s;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
}

@keyframes spinRing {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.preloader-text {
    color: #ecf0f1;
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 2px;
    animation: textPulse 2s ease-in-out infinite;
}

@keyframes textPulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.preloader-progress {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    margin-top: 20px;
    overflow: hidden;
    position: relative;
}

.preloader-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71, #f1c40f);
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.preloader-progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 1.5s infinite;
}

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

/* ==================
   SKELETON SCREENS
   ================== */
.skeleton-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 15px;
    padding: 20px;
    position: relative;
    overflow: hidden;
    animation: skeletonPulse 1.5s ease-in-out infinite;
}

.skeleton-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 150%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
    animation: skeletonShine 2s infinite;
}

@keyframes skeletonPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes skeletonShine {
    0% {
        left: -150%;
    }
    100% {
        left: 150%;
    }
}

.skeleton-header {
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 15px;
}

.skeleton-title {
    height: 24px;
    width: 70%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin-bottom: 10px;
}

.skeleton-text {
    height: 16px;
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
    margin-bottom: 8px;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-button {
    height: 45px;
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-top: 15px;
}

.skeleton-image {
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin-bottom: 15px;
}

/* Skeleton Grid pour la boutique */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

/* ==================
   BUTTON SPINNERS
   ================== */
.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.btn-loading .btn-text {
    opacity: 0;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin-left: -10px;
    margin-top: -10px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: btnSpin 0.8s linear infinite;
}

@keyframes btnSpin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Spinner inline pour les boutons */
.spinner-inline {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: btnSpin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* ==================
   CUSTOM SPINNERS
   ================== */
.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

/* Spinner Standard */
.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-top-color: #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner.large {
    width: 70px;
    height: 70px;
    border-width: 5px;
}

.spinner.small {
    width: 30px;
    height: 30px;
    border-width: 3px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Spinner Minecraft Style */
.spinner-minecraft {
    width: 60px;
    height: 60px;
    position: relative;
    animation: spinMinecraft 2s linear infinite;
}

.spinner-minecraft::before,
.spinner-minecraft::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid #3498db;
    box-sizing: border-box;
}

.spinner-minecraft::before {
    border-radius: 0;
    animation: minecraftPulse 1s ease-in-out infinite;
}

.spinner-minecraft::after {
    border-radius: 50%;
    animation: minecraftPulse 1s ease-in-out infinite reverse;
}

@keyframes spinMinecraft {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes minecraftPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(0.8);
        opacity: 0.5;
    }
}

/* Spinner Dots */
.spinner-dots {
    display: flex;
    gap: 10px;
    align-items: center;
}

.spinner-dot {
    width: 12px;
    height: 12px;
    background: #3498db;
    border-radius: 50%;
    animation: dotBounce 1.4s infinite ease-in-out both;
}

.spinner-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes dotBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ==================
   PROGRESS BARS
   ================== */
.loading-progress {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.loading-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 3px;
    transition: width 0.3s ease;
    position: relative;
}

.loading-progress-bar.indeterminate {
    width: 30% !important;
    animation: progressSlide 1.5s ease-in-out infinite;
}

@keyframes progressSlide {
    0% {
        left: -30%;
    }
    100% {
        left: 100%;
    }
}

/* Progress circulaire */
.circular-progress {
    width: 80px;
    height: 80px;
    position: relative;
}

.circular-progress svg {
    transform: rotate(-90deg);
}

.circular-progress circle {
    fill: none;
    stroke-width: 6;
    stroke-linecap: round;
}

.circular-progress .progress-bg {
    stroke: rgba(255, 255, 255, 0.1);
}

.circular-progress .progress-bar {
    stroke: #3498db;
    stroke-dasharray: 251.2;
    stroke-dashoffset: 251.2;
    transition: stroke-dashoffset 0.3s ease;
}

.circular-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.2rem;
    font-weight: bold;
    color: #ecf0f1;
}

/* ==================
   LOADING OVERLAYS
   ================== */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    border-radius: inherit;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-overlay-content {
    text-align: center;
}

.loading-overlay-text {
    color: white;
    font-size: 1rem;
    margin-top: 15px;
    font-weight: 500;
}

/* ==================
   CONTENT LOADING STATES
   ================== */
.content-loading {
    filter: blur(3px);
    pointer-events: none;
    opacity: 0.5;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

/* Pulse animation pour les éléments en chargement */
.pulse-loading {
    animation: pulseOpacity 1.5s ease-in-out infinite;
}

@keyframes pulseOpacity {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ==================
   SHIMMER EFFECT
   ================== */
.shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.05) 100%
    );
    background-size: 200% 100%;
    animation: shimmerMove 2s infinite;
}

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

/* ==================
   RESPONSIVE ADJUSTMENTS
   ================== */
@media (max-width: 768px) {
    .preloader-logo {
        width: 120px;
        height: 120px;
    }
    
    .preloader-spinner {
        width: 60px;
        height: 60px;
    }
    
    .preloader-text {
        font-size: 1rem;
    }
    
    .preloader-progress {
        width: 250px;
    }
    
    .skeleton-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .preloader-logo {
        width: 100px;
        height: 100px;
    }
    
    .preloader-spinner {
        width: 50px;
        height: 50px;
    }
    
    .preloader-text {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }
    
    .preloader-progress {
        width: 200px;
    }
    
    .spinner-container {
        padding: 20px;
    }
    
    .circular-progress {
        width: 60px;
        height: 60px;
    }
}

/* ==================
   UTILITY CLASSES
   ================== */
.hide-loader {
    animation: fadeOut 0.5s ease forwards;
}

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

.show-loader {
    animation: fadeIn 0.3s ease forwards;
}

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