/**
 * Spinner professionnel pour l'application Ministère
 * Plusieurs styles disponibles pour différents contextes
 */

/* Overlay pour le spinner pleine page */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

/* Container du spinner avec message */
.spinner-container {
    text-align: center;
    padding: 2rem;
}

.spinner-message {
    color: white;
    margin-top: 1.5rem;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    animation: pulse 2s ease-in-out infinite;
}

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

/* Style 1: Spinner gouvernemental (défaut) */
.spinner-gov {
    width: 80px;
    height: 80px;
    position: relative;
    margin: 0 auto;
}

.spinner-gov::before,
.spinner-gov::after {
    content: '';
    position: absolute;
    border-radius: 50%;
}

.spinner-gov::before {
    width: 100%;
    height: 100%;
    border: 4px solid rgba(255, 255, 255, 0.1);
}

.spinner-gov::after {
    width: 100%;
    height: 100%;
    border: 4px solid transparent;
    border-top-color: #2563eb;
    border-right-color: #dc2626;
    border-bottom-color: #fbbf24;
    animation: spin-gov 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
}

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

/* Style 2: Dots élégants */
.spinner-dots {
    display: inline-flex;
    gap: 8px;
}

.spinner-dots .dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #2563eb;
    animation: dot-pulse 1.4s ease-in-out infinite both;
}

.spinner-dots .dot:nth-child(1) { animation-delay: -0.32s; }
.spinner-dots .dot:nth-child(2) { animation-delay: -0.16s; }
.spinner-dots .dot:nth-child(3) { animation-delay: 0; }

@keyframes dot-pulse {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* Style 3: Cercles concentriques */
.spinner-rings {
    width: 80px;
    height: 80px;
    position: relative;
    margin: 0 auto;
}

.spinner-rings .ring {
    position: absolute;
    border: 3px solid transparent;
    border-radius: 50%;
    border-top-color: #2563eb;
    animation: spin-ring 2s linear infinite;
}

.spinner-rings .ring:nth-child(1) {
    width: 100%;
    height: 100%;
    animation-delay: 0s;
}

.spinner-rings .ring:nth-child(2) {
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
    border-top-color: #dc2626;
    animation-delay: 0.2s;
    animation-direction: reverse;
}

.spinner-rings .ring:nth-child(3) {
    width: 40%;
    height: 40%;
    top: 30%;
    left: 30%;
    border-top-color: #fbbf24;
    animation-delay: 0.4s;
}

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

/* Style 4: Barres de progression */
.spinner-bars {
    display: inline-flex;
    gap: 4px;
}

.spinner-bars .bar {
    width: 6px;
    height: 40px;
    background: linear-gradient(to top, #2563eb, #60a5fa);
    animation: bar-scale 1.2s ease-in-out infinite;
}

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

@keyframes bar-scale {
    0%, 40%, 100% {
        transform: scaleY(0.4);
    }
    20% {
        transform: scaleY(1);
    }
}

/* Style 5: Logo animé (pour le logo du ministère) */
.spinner-logo {
    width: 100px;
    height: 100px;
    position: relative;
    margin: 0 auto;
}

.spinner-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: logo-pulse 2s ease-in-out infinite;
}

.spinner-logo::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 3px solid #2563eb;
    border-radius: 50%;
    opacity: 0;
    animation: logo-ring 2s ease-in-out infinite;
}

@keyframes logo-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(0.95); opacity: 0.8; }
}

@keyframes logo-ring {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    50% {
        opacity: 0.5;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

/* Spinner inline (petit) */
.spinner-inline {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-top-color: #2563eb;
    border-radius: 50%;
    animation: spin-simple 0.8s linear infinite;
    vertical-align: middle;
    margin: 0 8px;
}

.spinner-inline.white {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: white;
}

@keyframes spin-simple {
    to { transform: rotate(360deg); }
}

/* Spinner pour boutons */
.btn-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-right-color: currentColor;
    border-radius: 50%;
    animation: spin-simple 0.6s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Classes utilitaires pour différentes tailles */
.spinner-sm {
    transform: scale(0.6);
}

.spinner-lg {
    transform: scale(1.5);
}

.spinner-xl {
    transform: scale(2);
}

/* Animation de fondu pour les transitions de contenu */
.fade-loading {
    animation: fadeInOut 1.5s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Skeleton loader pour les listes */
.skeleton-loader {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.1) 25%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0.1) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-wave 1.5s ease-in-out infinite;
    border-radius: 4px;
}

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

/* Progress bar animée */
.progress-loader {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.progress-loader::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 40%;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    border-radius: 2px;
    animation: progress-slide 1.5s ease-in-out infinite;
}

@keyframes progress-slide {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

/* Responsive */
@media (max-width: 640px) {
    .spinner-gov,
    .spinner-rings,
    .spinner-logo {
        transform: scale(0.8);
    }
    
    .spinner-message {
        font-size: 0.95rem;
    }
}