/* =============================================================
   Quiz Funnel for Adsense — Loader Overlay Styles
   ============================================================= */

/* ─── Overlay ─────────────────────────────────────────────── */

#qfa-loader-overlay {
    position: fixed;
    inset: 0;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    opacity: 1;
    transition: opacity 0.7s ease;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
}

#qfa-loader-overlay.qfa-fadeout {
    opacity: 0;
    pointer-events: none;
}

/* ─── Inner content ───────────────────────────────────────── */

.qfa-loader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 24px;
    max-width: 360px;
    width: 100%;
    animation: qfa-loader-in 0.5s ease;
}

/* ─── Spinner ─────────────────────────────────────────────── */

.qfa-spinner-wrap {
    margin-bottom: 24px;
}

.qfa-spinner {
    width: 72px;
    height: 72px;
    animation: qfa-spin 0.85s linear infinite;
    display: block;
}

/* ─── Message ─────────────────────────────────────────────── */

.qfa-loader-message {
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    line-height: 1.5;
    margin-bottom: 28px;
    max-width: 300px;
    animation: qfa-pulse 2s ease-in-out infinite;
}

/* ─── Progress Bar ────────────────────────────────────────── */

.qfa-progress-bar-wrap {
    width: 220px;
    height: 5px;
    background: #e5e7eb;
    border-radius: 99px;
    overflow: hidden;
}

.qfa-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #4f46e5, #818cf8);
    border-radius: 99px;
    /* transition duration is set dynamically via JS */
    transition: width linear;
}

/* ─── Animations ──────────────────────────────────────────── */

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

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

@keyframes qfa-loader-in {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Mobile ──────────────────────────────────────────────── */

@media (max-width: 400px) {
    .qfa-loader-message {
        font-size: 16px;
    }

    .qfa-spinner {
        width: 60px;
        height: 60px;
    }

    .qfa-progress-bar-wrap {
        width: 180px;
    }
}