/* =============================================================================
   PageTransitionLoaderWidget
   Brand-themed full-screen overlay shown during slow navigations. Reuses the
   project's design tokens and the global @keyframes skeleton-shimmer defined
   in site.css. Defines its own ptl-icon-pulse keyframe (no global "pulse").
   ========================================================================== */

/* Lock background scroll while the overlay is up. Set on <body> by JS. */
body.ptl-locked {
    overflow: hidden;
}

/* -----------------------------------------------------------------------------
   Overlay root
   -------------------------------------------------------------------------- */
.ptl {
    position: fixed;
    inset: 0;
    z-index: 1060;                       /* Above bootstrap modal (1050) */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--overlay-bg);
    backdrop-filter: blur(var(--backdrop-blur-md));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-md));
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--duration-300) var(--ease-in-out);
}
.ptl--visible {
    opacity: 1;
    pointer-events: auto;
}

/* -----------------------------------------------------------------------------
   Centered panel
   -------------------------------------------------------------------------- */
.ptl__panel {
    width: 100%;
    max-width: 560px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    padding: 2rem 1.75rem 1.75rem;
    text-align: center;
    transform: translateY(8px);
    transition: transform var(--duration-300) var(--ease-in-out);
}
.ptl--visible .ptl__panel {
    transform: translateY(0);
}

/* -----------------------------------------------------------------------------
   Pulsing brand icon
   -------------------------------------------------------------------------- */
.ptl__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin-bottom: 1rem;
    border-radius: var(--radius-full);
    background: rgba(var(--color-primary-500-rgb), 0.12);
    color: var(--color-primary-500);
    font-size: 2rem;
    line-height: 1;
    animation: ptl-icon-pulse 1.6s ease-in-out infinite;
}
@keyframes ptl-icon-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(var(--color-primary-500-rgb), 0.35);
    }
    50% {
        transform: scale(1.06);
        box-shadow: 0 0 0 14px rgba(var(--color-primary-500-rgb), 0);
    }
}

/* -----------------------------------------------------------------------------
   Title + cycling status text
   -------------------------------------------------------------------------- */
.ptl__title {
    margin: 0 0 0.25rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}
.ptl__status {
    min-height: 1.25rem;
    margin: 0 0 1.5rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    transition: opacity var(--duration-200) var(--ease-in-out);
}
.ptl__status--out {
    opacity: 0;
}

/* -----------------------------------------------------------------------------
   Skeleton primitives
   -------------------------------------------------------------------------- */
.ptl__skeleton {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    text-align: left;
}
.ptl__skel-row {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}
.ptl__skel-block {
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}
.ptl__skel-block::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.45) 50%,
        transparent 100%
    );
    transform: translateX(-100%);
    animation: skeleton-shimmer 1.6s ease-in-out infinite;
}
[data-theme="dark"] .ptl__skel-block::after {
    background-image: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.08) 50%,
        transparent 100%
    );
}

.ptl__skel-block--circle {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
}
.ptl__skel-block--pill {
    flex-shrink: 0;
    width: 56px;
    height: 18px;
    border-radius: var(--radius-full);
}
.ptl__skel-block--bar {       /* horizontal full-width status strip */
    width: 100%;
    height: 48px;
}
.ptl__skel-block--row {       /* accordion / list row */
    flex-grow: 1;
    height: 64px;
}
.ptl__skel-block--line {      /* a text line inside a row */
    flex-grow: 1;
    height: 14px;
    border-radius: var(--radius-full);
}
.ptl__skel-block--card {      /* KPI card */
    flex: 1 1 0;
    height: 88px;
}
.ptl__skel-block--panel {     /* large content rectangle */
    width: 100%;
    height: 160px;
}
.ptl__skel-block--input {     /* form input */
    width: 100%;
    height: 36px;
}
.ptl__skel-block--label {     /* form label */
    width: 35%;
    height: 12px;
    border-radius: var(--radius-full);
}
.ptl__skel-block--nav {       /* settings sidebar nav pill */
    width: 100%;
    height: 32px;
}

/* Builder shape: status strip + 4 accordion rows.
   Each row has a leading circle + a flex-grow line + a trailing pill so it
   visually matches the website builder index (Pages, Navigation, Homepage, Theme). */

/* Dashboard shape: header strip + a 3-card KPI grid + a wide content panel. */
.ptl__skel-grid {
    display: flex;
    gap: 0.625rem;
}

/* Settings shape: sidebar (4 nav pills) + form panel (5 label/input rows).
   Stacks on narrow viewports so it never overflows the 560 px panel. */
.ptl__skel-split {
    display: flex;
    gap: 1rem;
}
.ptl__skel-side {
    flex: 0 0 30%;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.ptl__skel-main {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}
.ptl__skel-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

@media (max-width: 575.98px) {
    .ptl__skel-split {
        flex-direction: column;
    }
    .ptl__skel-side {
        flex-direction: row;
        flex-wrap: wrap;
    }
    .ptl__skel-side > .ptl__skel-block {
        flex: 1 1 calc(33.33% - 0.5rem);
    }
    .ptl__skel-block--panel {
        height: 120px;
    }
}

/* -----------------------------------------------------------------------------
   Reduced motion: keep the layout but hold animations still.
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .ptl,
    .ptl__panel {
        transition: none;
    }
    .ptl__icon,
    .ptl__skel-block::after {
        animation: none;
    }
}
