:root {
    --page-skeleton-bg: #f7f5f1;
    --page-skeleton-surface: #fff;
    --page-skeleton-line: #dce7df;
    --page-skeleton-border: #d3ded6;
    --page-skeleton-accent: #08764f;
    --page-skeleton-text: #244d3c;
}
html[data-theme="dark"] {
    --page-skeleton-bg: #111c18;
    --page-skeleton-surface: #192d26;
    --page-skeleton-line: #304a3d;
    --page-skeleton-border: #405e4e;
    --page-skeleton-accent: #70e2bd;
    --page-skeleton-text: #c8e1d2;
}
.page-transition-skeleton {
    position: fixed;
    inset: 0;
    z-index: 2147483000;
    overflow: hidden;
    visibility: hidden;
    background: var(--page-skeleton-bg);
    color: var(--page-skeleton-text);
    opacity: 0;
    pointer-events: none;
    transition: opacity 120ms ease, visibility 0s linear 120ms;
    font-family: "Poppins", "Segoe UI", sans-serif;
}
.page-transition-skeleton *, .page-transition-skeleton *::before { box-sizing: border-box; }
.page-transition-skeleton.is-visible {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transition: opacity 120ms ease;
}
.page-skeleton-header {
    min-height: 82px;
    padding: 14px clamp(16px, 3vw, 44px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--page-skeleton-border);
    background: var(--page-skeleton-surface);
}
.page-skeleton-identity { display: flex; gap: 12px; align-items: center; min-width: 0; }
.page-skeleton-logo { display: block; width: 48px; height: 48px; object-fit: contain; flex-shrink: 0; }
.page-skeleton-identity strong { display: block; font-size: 1.1rem; line-height: 1.3; letter-spacing: -0.03em; }
.page-skeleton-identity span { display: block; margin-top: 3px; font-size: 0.7rem; }
.page-skeleton-status { font-size: 0.8rem; line-height: 1.5; color: var(--page-skeleton-text); }
.page-skeleton-progress { height: 2px; background: var(--page-skeleton-border); overflow: hidden; }
.page-skeleton-progress::before { content: ''; display: block; width: 35%; height: 100%; background: var(--page-skeleton-accent); animation: page-skeleton-travel 1.8s ease-in-out infinite; }
.page-skeleton-layout { max-width: 1440px; margin: 0 auto; }
.page-skeleton-content { padding: 34px clamp(16px, 3vw, 44px); }
.page-skeleton-line { display: block; background: var(--page-skeleton-line); border-radius: 4px; animation: page-skeleton-breathe 1.8s ease-in-out infinite; }
.page-skeleton-title { width: min(380px, 78%); height: 30px; margin-bottom: 14px; }
.page-skeleton-copy { width: min(520px, 88%); height: 12px; margin-bottom: 14px; }
.page-skeleton-booking { display: grid; grid-template-columns: 1fr 1.1fr 1fr; gap: 20px; margin-top: 30px; }
.page-skeleton-section { padding: 20px; border: 1px solid var(--page-skeleton-border); border-radius: 10px; background: var(--page-skeleton-surface); min-width: 0; }
.page-skeleton-section h2 { margin: 0 0 20px; font-size: 0.95rem; font-weight: 600; color: var(--page-skeleton-text); }
.page-skeleton-choice { display: flex; gap: 14px; align-items: center; padding: 18px 0; border-top: 1px solid var(--page-skeleton-border); }
.page-skeleton-choice > div { min-width: 0; flex: 1; }
.page-skeleton-image { width: 62px; height: 66px; border-radius: 7px; flex-shrink: 0; }
.page-skeleton-name { width: 80%; height: 14px; }
.page-skeleton-detail { width: 60%; height: 10px; margin-top: 12px; }
.page-skeleton-field { min-width: 0; margin: 0 0 22px; }
.page-skeleton-label { width: 68px; height: 10px; margin-bottom: 10px; }
.page-skeleton-input { width: 100%; height: 44px; border-radius: 7px; }
.page-skeleton-times { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.page-skeleton-time { height: 38px; border-radius: 6px; }
.page-skeleton-action { width: 100%; max-width: 270px; height: 44px; margin-top: 24px; border-radius: 7px; }
.page-skeleton-profile { display: grid; grid-template-columns: 220px 1fr; gap: 40px; margin-top: 32px; padding: 28px; border-top: 1px solid var(--page-skeleton-border); background: var(--page-skeleton-surface); }
.page-skeleton-person { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.page-skeleton-portrait { width: 100px; height: 100px; border-radius: 50%; }
.page-skeleton-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.page-skeleton-auth { width: min(420px, calc(100% - 32px)); margin: 8vh auto 0; padding: 28px; background: var(--page-skeleton-surface); border: 1px solid var(--page-skeleton-border); border-radius: 12px; }
.page-skeleton-auth .page-skeleton-copy { margin-bottom: 30px; }
.page-skeleton-home { min-height: 65vh; padding: 15vh 12% 8vh 28%; background: #263d30; }
.page-skeleton-home .page-skeleton-line { background: #577161; }
.page-skeleton-home .page-skeleton-title { width: 90%; max-width: 620px; height: 68px; margin-bottom: 26px; }
.page-skeleton-home .page-skeleton-action { width: 140px; }
.page-skeleton-sidebar { display: flex; flex-direction: column; gap: 26px; padding: 36px 20px; background: #04724d; }
.page-skeleton-side-item { height: 38px; width: 100%; background: rgba(255,255,255,0.18); }
.page-transition-skeleton[data-loading-layout="staff"] .page-skeleton-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); min-height: calc(100vh - 84px); max-width: none; }
.page-skeleton-toolbar { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 16px; margin: 28px 0 22px; max-width: 620px; }
.page-skeleton-records { background: var(--page-skeleton-surface); border: 1px solid var(--page-skeleton-border); border-radius: 8px; padding: 0 20px; }
.page-skeleton-record { display: grid; grid-template-columns: 1.3fr 1fr 1fr 0.7fr; gap: 28px; align-items: center; min-height: 72px; border-bottom: 1px solid var(--page-skeleton-border); }
.page-skeleton-record:last-child { border-bottom: 0; }
.page-skeleton-record .page-skeleton-detail { width: 80%; margin-top: 0; }
.page-skeleton-state { width: 70%; height: 24px; border-radius: 5px; }
@keyframes page-skeleton-breathe { 50% { opacity: 0.55; } }
@keyframes page-skeleton-travel { from { transform: translateX(-100%); } to { transform: translateX(390%); } }
@media (max-width: 1000px) {
    .page-skeleton-booking { grid-template-columns: 1fr 1fr; }
    .page-skeleton-booking > :last-child { display: none; }
    .page-transition-skeleton[data-loading-layout="staff"] .page-skeleton-layout { grid-template-columns: 76px minmax(0,1fr); }
    .page-skeleton-sidebar { padding: 30px 16px; }
    .page-skeleton-side-item { height: 38px; }
}
@media (max-width: 600px) {
    .page-skeleton-header { align-items: flex-start; flex-direction: column; gap: 12px; padding: 14px 18px; }
    .page-skeleton-logo { width: 42px; height: 42px; }
    .page-skeleton-status { font-size: 0.75rem; }
    .page-skeleton-content { padding: 28px 18px; }
    .page-skeleton-title { height: 26px; }
    .page-skeleton-booking { grid-template-columns: 1fr; margin-top: 24px; }
    .page-skeleton-booking > :nth-child(n+2) { display: none; }
    .page-skeleton-choice { padding: 18px 0; }
    .page-skeleton-profile { grid-template-columns: 1fr; gap: 24px; padding: 22px 16px; }
    .page-skeleton-person { flex-direction: row; }
    .page-skeleton-portrait { width: 64px; height: 64px; flex-shrink: 0; }
    .page-skeleton-fields { grid-template-columns: 1fr; }
    .page-transition-skeleton[data-loading-layout="staff"] .page-skeleton-layout { grid-template-columns: 1fr; }
    .page-skeleton-sidebar { display: none; }
    .page-skeleton-record { grid-template-columns: 1fr 1fr; gap: 14px; padding: 18px 0; }
    .page-skeleton-record .page-skeleton-detail:nth-child(3) { display: none; }
    .page-skeleton-record .page-skeleton-state { grid-column: 2; grid-row: 1; }
    .page-skeleton-home { padding: 12vh 18px; }
    .page-skeleton-home .page-skeleton-title { height: 56px; }
    .page-skeleton-auth { margin-top: 30px; }
}
@media (prefers-reduced-motion: reduce) {
    .page-transition-skeleton, .page-skeleton-line, .page-skeleton-progress::before { animation: none; transition: none; }
}