/* ============================================================
   LOADER IMMOTRANSAC - Animation de chargement
   Inspire de la landing page vendeur
   ============================================================ */

/* ---- Variables ---- */
:root {
    --loader-accent: #FF1B8D;
    --loader-accent2: #FF6B35;
    --loader-bg: linear-gradient(135deg, #0a0a1a 0%, #1a0a2e 50%, #0a1628 100%);
}

/* ============================================================
   CONTAINER PRINCIPAL
   ============================================================ */
.immotransac-loader {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--loader-bg);
    z-index: 99999;
    overflow: hidden;
}

.immotransac-loader.active {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Particules de fond */
.loader-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.loader-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: particleFloat 6s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(50px); opacity: 0; }
}

/* ============================================================
   TITRE FIXE EN HAUT
   ============================================================ */
.loader-main-title {
    position: absolute;
    top: 12%;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    text-align: center;
    width: 100%;
    padding: 0 20px;
}

.loader-main-title .loader-logo {
    width: 120px;
    height: auto;
    margin-bottom: 20px;
    opacity: 0;
    animation: loaderLogoAppear 1.5s ease forwards;
    filter: drop-shadow(0 4px 20px rgba(255, 27, 141, 0.4));
}

@keyframes loaderLogoAppear {
    0% { opacity: 0; transform: scale(0.5); }
    100% { opacity: 1; transform: scale(1); }
}

.loader-main-title .title-text {
    font-size: 2em;
    font-weight: 900;
    color: white;
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5), 0 0 80px rgba(255, 27, 141, 0.4);
    opacity: 0;
    animation: loaderTitleAppear 2s ease 0.3s forwards;
    letter-spacing: -1px;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.2;
}

.loader-main-title.slide-up {
    animation: loaderTitleSlideUp 0.8s ease forwards;
}

@keyframes loaderTitleAppear {
    0% {
        opacity: 0;
        transform: scale(0.3);
        filter: blur(20px);
        letter-spacing: 20px;
    }
    60% { opacity: 1; }
    100% {
        opacity: 1;
        transform: scale(1);
        filter: blur(0);
        letter-spacing: -1px;
    }
}

@keyframes loaderTitleSlideUp {
    from { top: 12%; opacity: 1; }
    to { top: 4%; opacity: 0.6; font-size: 0.85em; }
}

/* ============================================================
   CONTAINER DES SLIDES
   ============================================================ */
.loader-slides-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-bottom: 120px;
}

/* ============================================================
   SLIDES INDIVIDUELS
   ============================================================ */
.loader-slide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 850px;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    padding: 0 20px;
}

.loader-slide.active {
    opacity: 1;
    visibility: visible;
}

.loader-slide.slide-enter {
    animation: loaderSlideIn 0.6s ease forwards;
}

.loader-slide.slide-exit {
    animation: loaderSlideOut 0.5s ease forwards;
}

@keyframes loaderSlideIn {
    from { opacity: 0; transform: translate(-50%, -55%); }
    to { opacity: 1; transform: translate(-50%, -50%); }
}

@keyframes loaderSlideOut {
    from { opacity: 1; transform: translate(-50%, -50%); }
    to { opacity: 0; transform: translate(-65%, -50%); }
}

/* ---- Titres des slides ---- */
.loader-slide-title {
    font-size: 2.2em;
    font-weight: 900;
    color: white;
    margin-bottom: 40px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

/* ============================================================
   SLIDE 1 : STATS VIRALES
   ============================================================ */
.loader-stats-grid {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.loader-stat-box {
    background: rgba(255, 255, 255, 0.08);
    padding: 22px 28px;
    border-radius: 18px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    opacity: 0;
    transform: translateY(40px);
    min-width: 140px;
}

.loader-stat-box.visible {
    animation: loaderStatUp 0.5s ease forwards;
}

@keyframes loaderStatUp {
    from { opacity: 0; transform: translateY(40px) scale(0.85); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.loader-stat-box .stat-icon {
    font-size: 2em;
    margin-bottom: 8px;
}

.loader-stat-box .stat-value {
    font-size: 2.2em;
    font-weight: 900;
    background: linear-gradient(135deg, var(--loader-accent), var(--loader-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 6px;
}

.loader-stat-box .stat-label {
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* ============================================================
   SLIDE 2 : AVIS GOOGLE
   ============================================================ */
.loader-google-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-bottom: 30px;
}

.loader-google-logo {
    font-size: 1.5em;
    font-weight: 700;
    color: white;
}

.loader-google-logo i {
    color: #4285F4;
    margin-right: 5px;
}

.loader-google-stars {
    color: #FFD700;
    font-size: 1.8em;
    letter-spacing: 2px;
}

.loader-google-score {
    font-size: 2em;
    font-weight: 900;
    color: white;
}

.loader-reviews {
    position: relative;
    min-height: 140px;
}

.loader-review {
    position: absolute;
    width: 100%;
    max-width: 650px;
    left: 50%;
    transform: translateX(-50%);
    padding: 20px 28px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    opacity: 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.loader-review.active {
    animation: loaderReviewIn 0.5s ease forwards;
}

.loader-review.exit {
    animation: loaderReviewOut 0.4s ease forwards;
}

@keyframes loaderReviewIn {
    from { opacity: 0; transform: translateX(-50%) translateY(15px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@keyframes loaderReviewOut {
    from { opacity: 1; transform: translateX(-50%) translateY(0); }
    to { opacity: 0; transform: translateX(-50%) translateY(-15px); }
}

.loader-review-text {
    font-size: 1em;
    margin-bottom: 12px;
    font-weight: 600;
    line-height: 1.4;
    font-style: italic;
}

.loader-review-author {
    font-size: 0.85em;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   SLIDE 3 : TECHNOLOGIE
   ============================================================ */
.loader-tech-grid {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
}

.loader-tech-box {
    background: rgba(255, 255, 255, 0.08);
    padding: 22px 30px;
    border-radius: 18px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    opacity: 0;
    transform: translateY(40px);
    min-width: 140px;
}

.loader-tech-box.visible {
    animation: loaderTechUp 0.5s ease forwards;
}

@keyframes loaderTechUp {
    from { opacity: 0; transform: translateY(40px) scale(0.85); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.loader-tech-box .tech-icon {
    font-size: 1.8em;
    margin-bottom: 8px;
}

.loader-tech-box .tech-title {
    font-size: 1em;
    font-weight: 700;
}

/* ============================================================
   MESSAGE DE CHARGEMENT EN BAS
   ============================================================ */
.loader-bottom-message {
    position: fixed;
    bottom: 35px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(0, 0, 0, 0.65);
    padding: 16px 28px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    z-index: 100000;
    max-width: 90%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.loader-bottom-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--loader-accent);
    border-radius: 50%;
    animation: loaderSpin 0.8s linear infinite;
    flex-shrink: 0;
}

@keyframes loaderSpin {
    to { transform: rotate(360deg); }
}

.loader-bottom-text {
    color: white;
    font-size: 0.9em;
    font-weight: 500;
    line-height: 1.5;
}

.loader-bottom-text strong {
    display: block;
    font-size: 1.1em;
    margin-bottom: 3px;
    background: linear-gradient(135deg, var(--loader-accent), var(--loader-accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-dots::after {
    content: '';
    animation: loaderDots 1.5s infinite;
}

@keyframes loaderDots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ============================================================
   FADE OUT DU LOADER
   ============================================================ */
.immotransac-loader.fade-out {
    animation: loaderFadeOut 0.6s ease forwards;
}

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

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .loader-main-title .loader-logo {
        width: 80px;
        margin-bottom: 14px;
    }

    .loader-main-title .title-text {
        font-size: 1.4em;
    }

    .loader-main-title {
        top: 8%;
    }

    .loader-slide-title {
        font-size: 1.5em;
        margin-bottom: 25px;
    }

    .loader-stats-grid,
    .loader-tech-grid {
        gap: 12px;
    }

    .loader-stat-box,
    .loader-tech-box {
        padding: 16px 20px;
        min-width: 120px;
    }

    .loader-stat-box .stat-value {
        font-size: 1.8em;
    }

    .loader-stat-box .stat-icon,
    .loader-tech-box .tech-icon {
        font-size: 1.5em;
    }

    .loader-google-rating {
        flex-wrap: wrap;
        gap: 10px;
    }

    .loader-google-stars {
        font-size: 1.4em;
    }

    .loader-google-score {
        font-size: 1.5em;
    }

    .loader-bottom-message {
        bottom: 20px;
        padding: 12px 20px;
        gap: 12px;
    }

    .loader-bottom-text {
        font-size: 0.8em;
    }

    .loader-bottom-spinner {
        width: 28px;
        height: 28px;
    }

    .loader-review {
        padding: 15px 20px;
    }

    .loader-review-text {
        font-size: 0.9em;
    }
}

@media (max-width: 480px) {
    .loader-main-title .loader-logo {
        width: 60px;
        margin-bottom: 10px;
    }

    .loader-main-title .title-text {
        font-size: 1.1em;
    }

    .loader-slide-title {
        font-size: 1.2em;
    }

    .loader-stats-grid,
    .loader-tech-grid {
        flex-direction: column;
        align-items: center;
    }

    .loader-stat-box,
    .loader-tech-box {
        width: 80%;
        max-width: 250px;
    }
}