/*
 * Shiny.Blazor.Controls - SplashScreen
 *
 * Plain (unscoped) static asset on purpose: this paints before Blazor exists, so it cannot
 * be a .razor.css scoped stylesheet. Falls back to sane light/dark values when the Shiny
 * theme stylesheet has not been linked.
 */

.shiny-splash {
    --shiny-splash-bg: var(--shiny-color-surface, #FFFFFF);
    --shiny-splash-fg: var(--shiny-color-on-surface, #161C23);
    --shiny-splash-accent: var(--shiny-color-primary, #0055D9);
    --shiny-splash-muted: var(--shiny-color-on-surface-variant, #6C788D);
    --shiny-splash-fade-ms: 250ms;

    position: fixed;
    inset: 0;
    z-index: 2147483000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: max(24px, env(safe-area-inset-top)) var(--shiny-spacing-5, 24px) max(24px, env(safe-area-inset-bottom));
    background: var(--shiny-splash-bg);
    color: var(--shiny-splash-fg);
    font-family: var(--shiny-font-family, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif);
    opacity: 1;
    transition: opacity var(--shiny-splash-fade-ms) ease;
    -webkit-user-select: none;
    user-select: none;
}

@media (prefers-color-scheme: dark) {
    .shiny-splash {
        --shiny-splash-bg: var(--shiny-color-surface, #12161C);
        --shiny-splash-fg: var(--shiny-color-on-surface, #E2E9F2);
        --shiny-splash-muted: var(--shiny-color-on-surface-variant, #9CA9BE);
    }
}

.shiny-splash--hiding {
    opacity: 0;
    pointer-events: none;
}

html.shiny-splash-locked,
html.shiny-splash-locked body {
    overflow: hidden;
}

.shiny-splash-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--shiny-spacing-4, 16px);
    width: 100%;
    max-width: 320px;
    text-align: center;
}

.shiny-splash-logo {
    width: 96px;
    height: 96px;
    max-width: 40vw;
    max-height: 40vw;
    object-fit: contain;
}

.shiny-splash-title {
    font-size: calc(1.375rem * var(--shiny-type-scale, 1));
    font-weight: 600;
    letter-spacing: -0.01em;
}

.shiny-splash-subtitle {
    margin-top: -10px;
    font-size: calc(0.875rem * var(--shiny-type-scale, 1));
    color: var(--shiny-splash-muted);
}

.shiny-splash-status {
    min-height: 1.25em;
    font-size: calc(0.8125rem * var(--shiny-type-scale, 1));
    color: var(--shiny-splash-muted);
}

/* ===== Spinner: ring ===== */
.shiny-splash-ring {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: var(--shiny-border-thick, 3px) solid color-mix(in srgb, var(--shiny-splash-accent) 24%, transparent);
    border-top-color: var(--shiny-splash-accent);
    animation: shiny-splash-spin 800ms linear infinite;
}

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

/* ===== Spinner: dots ===== */
.shiny-splash-dots {
    display: flex;
    gap: var(--shiny-spacing-2, 8px);
}

.shiny-splash-dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--shiny-splash-accent);
    animation: shiny-splash-bounce 1200ms ease-in-out infinite;
}

.shiny-splash-dots span:nth-child(2) { animation-delay: 160ms; }
.shiny-splash-dots span:nth-child(3) { animation-delay: 320ms; }

@keyframes shiny-splash-bounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
    40% { transform: translateY(-7px); opacity: 1; }
}

/* ===== Spinner: pulse ===== */
.shiny-splash-pulse {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--shiny-splash-accent);
    animation: shiny-splash-pulse 1400ms ease-out infinite;
}

@keyframes shiny-splash-pulse {
    0% { transform: scale(0.6); opacity: 0.85; }
    100% { transform: scale(1.35); opacity: 0; }
}

/* ===== Progress bar (also the 'bar' spinner) ===== */
.shiny-splash-progress {
    position: relative;
    width: 100%;
    height: 4px;
    overflow: hidden;
    border-radius: var(--shiny-shape-corner-full, 999px);
    background: color-mix(in srgb, var(--shiny-splash-accent) 18%, transparent);
}

.shiny-splash-progress-fill {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--shiny-splash-accent);
    transition: width 180ms ease;
}

/* Indeterminate: the fill is ignored and a band sweeps the track instead. */
.shiny-splash--indeterminate .shiny-splash-progress-fill {
    width: 0;
}

.shiny-splash--indeterminate .shiny-splash-progress::after {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 40%;
    border-radius: inherit;
    background: var(--shiny-splash-accent);
    animation: shiny-splash-sweep 1400ms cubic-bezier(.4, 0, .2, 1) infinite;
}

@keyframes shiny-splash-sweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(250%); }
}

/* Every indicator degrades to a static, still-legible shape rather than being animated to
   nothing (an animation that never runs would leave the sweep band parked off-screen and the
   pulse at opacity 0). */
@media (prefers-reduced-motion: reduce) {
    .shiny-splash { transition-duration: 0s; }

    .shiny-splash-ring,
    .shiny-splash-dots span,
    .shiny-splash-pulse,
    .shiny-splash--indeterminate .shiny-splash-progress::after {
        animation: none;
        transform: none;
        opacity: 0.7;
    }

    .shiny-splash--indeterminate .shiny-splash-progress::after {
        width: 100%;
        opacity: 0.35;
    }
}