/* ==========================================================================
   OneStudio — Loading System
   Indikator proses untuk: pindah halaman, submit form, dan request AJAX.
   Warna mengikuti token desain yang sudah dipakai situs (--color-secondary).
   ========================================================================== */

/* ── Progress bar atas ─────────────────────────────────────────────────── */
.osl-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    z-index: 99990;
    overflow: hidden;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity .25s ease, transform .25s ease;
    background: rgba(13, 138, 125, .12);
}

.osl-bar.is-active {
    opacity: 1;
    transform: translateY(0);
}

.osl-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    transform-origin: left center;
    background: linear-gradient(90deg, #0D8A7D 0%, #14B8A6 55%, #5EEAD4 100%);
    box-shadow: 0 0 10px rgba(20, 184, 166, .55);
    transform: scaleX(.35);
    animation: osl-slide 1.35s cubic-bezier(.65, .05, .36, 1) infinite;
}

.osl-bar.is-complete::after {
    animation: none;
    transform: scaleX(1);
    transition: transform .2s ease;
}

.osl-bar.is-hiding {
    opacity: 0;
    transform: translateY(-100%);
}

@keyframes osl-slide {
    0%   { transform: translateX(-70%) scaleX(.35); }
    55%  { transform: translateX(35%) scaleX(.55); }
    100% { transform: translateX(105%) scaleX(.35); }
}

/* ── Overlay layar penuh ──────────────────────────────────────────────── */
.osl-overlay {
    position: fixed;
    inset: 0;
    z-index: 99995;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    background: rgba(10, 10, 26, .62);
    -webkit-backdrop-filter: blur(7px) saturate(130%);
    backdrop-filter: blur(7px) saturate(130%);
    transition: opacity .28s ease, visibility .28s ease;
    font-family: var(--font-body, 'Inter', system-ui, -apple-system, sans-serif);
}

.osl-overlay.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* ── Pemutar di tengah layar ──────────────────────────────────────────── */
.osl-dial {
    position: relative;
    display: grid;
    place-items: center;
    width: 62px;
    height: 62px;
}

.osl-dial::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20, 184, 166, .22) 0%, rgba(20, 184, 166, 0) 68%);
    animation: osl-pulse 1.9s ease-in-out infinite;
}

.osl-spinner {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, .16);
    border-top-color: #5EEAD4;
    border-right-color: #14B8A6;
    animation: osl-spin .75s linear infinite;
}

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

@keyframes osl-pulse {
    0%, 100% { transform: scale(.85); opacity: .55; }
    50%      { transform: scale(1.05); opacity: 1; }
}

/* ── Label status ─────────────────────────────────────────────────────── */
.osl-text {
    margin: 0;
    color: #fff;
    font-size: .82rem;
    font-weight: 500;
    letter-spacing: .09em;
    text-transform: uppercase;
    text-align: center;
    opacity: .92;
}

.osl-text-main::after {
    content: '';
    animation: osl-dots 1.2s steps(4, end) infinite;
}

@keyframes osl-dots {
    0%   { content: ''; }
    25%  { content: '.'; }
    50%  { content: '..'; }
    75%  { content: '...'; }
}

/* ── Status proses pada tombol ────────────────────────────────────────── */
.osl-btn-loading {
    position: relative;
    cursor: progress;
    pointer-events: none;
    opacity: .82;
}

.osl-btn-spinner {
    display: none;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    vertical-align: -2px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, .35);
    border-top-color: #fff;
    animation: osl-spin .7s linear infinite;
}

.osl-btn-loading .osl-btn-spinner {
    display: inline-block;
}

/* Tombol berlatar terang (putih/terang) memakai spinner gelap. */
.osl-btn-loading.osl-btn-on-light .osl-btn-spinner {
    border-color: rgba(13, 138, 125, .25);
    border-top-color: var(--color-secondary, #0D8A7D);
}

/* <input type="submit"> tidak bisa menampung elemen anak,
   jadi cukup tampilkan status non-interaktif. */
input.osl-btn-loading[type="submit"] {
    cursor: progress;
    opacity: .65;
}

/* ── Kerangka shimmer saat pindah halaman ──────────────────────────────
   Menutupi halaman lama dengan "bayangan" konten yang bergeser halus,
   supaya transisi terasa seperti aplikasi, bukan sekadar layar gelap. */
.osl-skeleton {
    position: fixed;
    inset: 0;
    z-index: 99993;
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    background: var(--color-background, #fff);
    font-family: var(--font-body, 'Inter', system-ui, -apple-system, sans-serif);
    transition: opacity .22s ease, visibility .22s ease;
    overflow: hidden;
}

.osl-skeleton.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Semua blok skeleton memakai satu perlakuan shimmer yang sama. */
.osl-skeleton span,
.osl-skeleton div:not(.osl-sk-main):not(.osl-sk-grid):not(.osl-sk-head) {
    background-image: linear-gradient(100deg,
        var(--osl-sk-base, #ECECF3) 0%,
        var(--osl-sk-base, #ECECF3) 28%,
        var(--osl-sk-glow, #FAFAFE) 48%,
        var(--osl-sk-base, #ECECF3) 68%,
        var(--osl-sk-base, #ECECF3) 100%);
    background-size: 220% 100%;
    background-repeat: no-repeat;
    border-radius: 10px;
    animation: osl-shimmer 1.5s linear infinite;
}

@keyframes osl-shimmer {
    from { background-position: 160% 0; }
    to   { background-position: -60% 0; }
}

.osl-sk-head {
    display: flex;
    align-items: center;
    gap: 18px;
    height: 76px;
    padding: 0 clamp(20px, 5vw, 64px);
    border-bottom: 1px solid var(--color-outline-variant, #DCDCE8);
}

.osl-sk-logo {
    width: 128px;
    height: 22px;
    margin-right: auto;
    border-radius: 6px !important;
}

.osl-sk-link {
    width: 72px;
    height: 14px;
}

.osl-sk-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: clamp(28px, 6vw, 72px) clamp(20px, 5vw, 64px);
    min-height: 0;
}

.osl-sk-hero {
    height: clamp(150px, 26vh, 260px);
    border-radius: 16px;
}

.osl-sk-line {
    height: 16px;
    width: 68%;
}

.osl-sk-line.short {
    width: 42%;
}

.osl-sk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 18px;
}

.osl-sk-grid span {
    height: clamp(110px, 18vh, 160px);
    border-radius: 14px;
}

@media (max-width: 900px) {
    .osl-sk-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Di layar kecil, skeleton dipersingkat supaya tidak terlalu lama
   menutupi layar. */
@media (max-width: 640px) {
    .osl-sk-grid { grid-template-columns: 1fr; }
    .osl-sk-grid span:nth-child(n+4) { display: none; }
    .osl-sk-head { height: 64px; }
}

/* ── Aksesibilitas ─────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .osl-bar::after,
    .osl-dial::before,
    .osl-spinner,
    .osl-btn-spinner,
    .osl-text-main::after {
        animation: none !important;
    }

    .osl-skeleton span,
    .osl-skeleton div:not(.osl-sk-main):not(.osl-sk-grid):not(.osl-sk-head) {
        animation: none !important;
    }

    .osl-bar::after {
        transform: scaleX(1);
    }

    .osl-overlay,
    .osl-bar,
    .osl-skeleton {
        transition-duration: .01ms !important;
    }
}