:root {
    color-scheme: light;
    --admin-bg: #f3f6f9;
    --admin-surface: rgba(255, 255, 255, .92);
    --admin-surface-solid: #ffffff;
    --admin-text: #17212b;
    --admin-muted: #6f7d89;
    --admin-border: #dce4ea;
    --admin-primary: #2f729a;
    --admin-primary-strong: #245f82;
    --admin-danger: #b42318;
    --admin-shadow: 0 24px 70px rgba(27, 50, 68, .13);
    --admin-body-start: #f8fafc;
    --admin-body-end: #edf2f6;
    --admin-topbar-bg: rgba(255,255,255,.88);
    --admin-login-panel-bg: rgba(255,255,255,.84);
    --admin-control-bg: #ffffff;
    --admin-soft-bg: #f6f8fa;
    --admin-softer-bg: #f8fafb;
    --admin-hover-bg: #f9fbfc;
    --admin-menu-hover-bg: #f3f6f8;
    --admin-table-border: #e7edf1;
    --admin-table-border-soft: #eef2f5;
    --admin-heading-muted: #55636e;
    --admin-switch-off: #c9d2d9;
    --admin-login-mobile-bg: #ffffff;
    --admin-sheet-bg: rgba(255,255,255,.96);
    --admin-lead-color: #000000;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --admin-bg: #0d141b;
    --admin-surface: rgba(20, 29, 38, .94);
    --admin-surface-solid: #141d26;
    --admin-text: #eaf0f4;
    --admin-muted: #9eacb8;
    --admin-border: #2d3a45;
    --admin-primary: #4b97c2;
    --admin-primary-strong: #72b5da;
    --admin-danger: #ff8a82;
    --admin-shadow: 0 24px 70px rgba(0, 0, 0, .34);
    --admin-body-start: #111a22;
    --admin-body-end: #0b1117;
    --admin-topbar-bg: rgba(15, 23, 31, .9);
    --admin-login-panel-bg: rgba(20, 29, 38, .92);
    --admin-control-bg: #18222c;
    --admin-soft-bg: #1b2630;
    --admin-softer-bg: #18222b;
    --admin-hover-bg: #202c36;
    --admin-menu-hover-bg: #1c2731;
    --admin-table-border: #2b3843;
    --admin-table-border-soft: #26333d;
    --admin-heading-muted: #b2bec7;
    --admin-switch-off: #52616d;
    --admin-login-mobile-bg: #0d141b;
    --admin-sheet-bg: rgba(20,29,38,.96);
    --admin-lead-color: var(--admin-muted);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
    margin: 0;
    position: relative;
    color: var(--admin-text);
    background: var(--admin-custom-bg-color, var(--admin-bg));
    font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.theme-background-stage,
.theme-background-media,
.admin-background-overlay {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
}
.theme-background-stage {
    z-index: 0;
    overflow: hidden;
    background: var(--admin-custom-bg-color, var(--admin-bg));
}
.theme-background-media { object-fit: cover; }
.theme-background-slide {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0;
    background-position: var(--admin-custom-bg-position, center center);
    background-size: var(--admin-custom-bg-size, cover);
    background-repeat: var(--admin-custom-bg-repeat, no-repeat);
    transition: opacity var(--theme-background-transition-duration, 1400ms) ease-in-out;
    will-change: opacity;
    filter: saturate(1.03) contrast(1.02);
}
.theme-background-slide.is-active { opacity: 1; }
.admin-background-overlay {
    z-index: 1;
    pointer-events: none;
    background: var(--admin-custom-overlay-light, rgba(255,255,255,.08));
}
:root[data-theme="dark"] .admin-background-overlay { background: var(--admin-custom-overlay-dark, rgba(6,13,20,.45)); }
.admin-app, .admin-login-page, .admin-login-theme-control { position: relative; z-index: 2; }
button, input, select, textarea { font: inherit; }

.admin-login-page { min-height: 100vh; display: grid; place-items: center; padding: 28px; }
.admin-login-shell { width: min(100%, 1080px); display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; border: 1px solid rgba(220, 228, 234, .92); border-radius: 24px; background: var(--admin-surface); box-shadow: var(--admin-shadow); backdrop-filter: blur(20px); }
.admin-login-intro { min-height: 590px; padding: 64px; display: flex; flex-direction: column; justify-content: space-between; background: linear-gradient(145deg, rgba(47, 114, 154, .98), rgba(31, 78, 108, .96)); color: #fff; }
.admin-brand { display: flex; align-items: center; gap: 13px; font-size: 1.05rem; font-weight: 700; letter-spacing: -.02em; }
.admin-brand-mark { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.32); font-size: .92rem; }
.admin-login-intro h1 { max-width: 520px; margin: 0 0 18px; font-size: clamp(2.25rem, 5vw, 4.25rem); line-height: 1.02; letter-spacing: -.055em; }
.admin-login-intro p { max-width: 520px; margin: 0; color: rgba(255,255,255,.76); line-height: 1.7; }
.admin-login-version { color: rgba(255,255,255,.58); font-size: .78rem; letter-spacing: .04em; }
.admin-login-panel { padding: 64px 58px; display: flex; align-items: center; background: var(--admin-login-panel-bg); }
.admin-login-form { width: 100%; }
.admin-login-form h2 { margin: 0 0 9px; font-size: 1.85rem; letter-spacing: -.035em; }
.admin-login-form > p { margin: 0 0 34px; color: var(--admin-muted); line-height: 1.55; }
.admin-field { margin-bottom: 20px; }
.admin-field label { display: block; margin: 0 0 8px; font-size: .84rem; font-weight: 700; }
.admin-field input { width: 100%; min-height: 50px; padding: 0 15px; border: 1px solid var(--admin-border); border-radius: 10px; outline: none; color: var(--admin-text); background: var(--admin-control-bg); transition: border-color .16s, box-shadow .16s; }
.admin-field input:focus { border-color: var(--admin-primary); box-shadow: 0 0 0 4px rgba(47,114,154,.12); }
.admin-submit { width: 100%; min-height: 52px; margin-top: 6px; border-style: solid; border-width: 1px; border-color: var(--admin-button-border, #aaa); border-radius: var(--admin-button-radius, 5px); color: var(--admin-button-text, #2f729a); background: var(--admin-button-background, #fff); font-weight: 700; text-align: center; cursor: pointer; transition: background .5s ease, border-color .5s ease, color .5s ease, box-shadow .5s ease; }
.admin-submit:hover { border-color: var(--admin-button-hover-border, #007aff); background: var(--admin-button-hover-background, #007aff); color: var(--admin-button-hover-text, #fff); }
.admin-submit:focus, .admin-submit:focus-visible { outline: none; border-color: var(--admin-button-focus-border, #2f729a); background: var(--admin-button-focus-background, #2f729a); color: var(--admin-button-focus-text, #fff); box-shadow: var(--admin-button-focus-shadow, rgba(2,164,241,.62) 0 0 5px 2px); }
.admin-submit:active { transform: translateY(1px); }
.admin-alert { margin: 0 0 22px; padding: 13px 14px; border: 1px solid #f3c7c3; border-radius: 10px; color: #8e1c14; background: #fff1f0; font-size: .9rem; line-height: 1.5; }

.admin-app { min-height: 100vh; }
.admin-topbar { height: 70px; padding: 0 24px; position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--admin-border); background: var(--admin-topbar-bg); backdrop-filter: blur(18px); }
.admin-topbar-left, .admin-topbar-right { display: flex; align-items: center; gap: 14px; }
.admin-icon-button { width: 42px; height: 42px; padding: 0; display: grid; place-items: center; border: 1px solid var(--admin-border); border-radius: 10px; color: var(--admin-text); background: var(--admin-control-bg); cursor: pointer; }
.admin-icon-button svg { width: 20px; height: 20px; }
.admin-user-chip { display: flex; align-items: center; gap: 10px; color: var(--admin-muted); font-size: .88rem; }
.admin-user-avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--admin-primary); font-weight: 700; text-transform: uppercase; }
.admin-main { width: min(1500px, calc(100% - 64px)); margin: 28px auto 80px; padding: 30px; border: 1px solid var(--admin-border); border-radius: 16px; background: var(--admin-sheet-bg); box-shadow: var(--admin-shadow); backdrop-filter: blur(10px); }
.admin-eyebrow { margin: 0 0 10px; color: var(--admin-primary); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.admin-main h1 { margin: 0; font-size: clamp(2rem, 4vw, 3.2rem); letter-spacing: -.045em; }
.admin-lead { max-width: 680px; margin: 14px 0 42px; color: var(--admin-lead-color, var(--admin-muted)); font-size: 1.04rem; line-height: 1.7; }
.admin-module-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.admin-module-card { min-height: 190px; padding: 24px; border: 1px solid var(--admin-border); border-radius: 16px; background: var(--admin-surface-solid); box-shadow: 0 12px 34px rgba(35,55,70,.06); }
.admin-module-card-placeholder { display: flex; flex-direction: column; justify-content: space-between; }
.admin-module-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; color: var(--admin-primary); background: rgba(47,114,154,.1); }
.admin-module-card h2 { margin: 22px 0 7px; font-size: 1.05rem; }
.admin-module-card p { margin: 0; color: var(--admin-muted); font-size: .9rem; line-height: 1.55; }
.admin-placeholder-pill { display: inline-flex; width: fit-content; margin-top: 18px; padding: 6px 9px; border-radius: 999px; color: #697783; background: var(--admin-soft-bg); font-size: .72rem; font-weight: 700; }

.admin-menu-backdrop { position: fixed; inset: 0; z-index: 80; opacity: 0; visibility: hidden; background: rgba(14, 26, 37, .34); transition: opacity .18s, visibility .18s; }
.admin-menu { width: min(360px, calc(100vw - 36px)); position: fixed; inset: 0 auto 0 0; z-index: 90; padding: 24px; transform: translateX(-102%); border-right: 1px solid var(--admin-border); background: var(--admin-surface-solid); box-shadow: 22px 0 60px rgba(20,38,52,.14); transition: transform .22s ease; }
.admin-menu.is-open { transform: translateX(0); }
.admin-menu-backdrop.is-open { opacity: 1; visibility: visible; }
.admin-menu-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid var(--admin-border); }
.admin-menu-nav { padding: 22px 0; }
.admin-menu-label { margin: 0 0 10px; color: #87939d; font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.admin-menu-item { width: 100%; min-height: 47px; padding: 0 12px; display: flex; align-items: center; gap: 11px; border: 0; border-radius: 9px; color: var(--admin-text); background: transparent; text-decoration: none; cursor: pointer; }
.admin-menu-item:hover { background: var(--admin-menu-hover-bg); }
.admin-menu-item.is-active { color: var(--admin-primary-strong); background: rgba(47,114,154,.09); font-weight: 700; }
.admin-menu-spacer { height: 14px; }
.admin-logout-form { margin: 0; }
.admin-menu-item.danger { color: var(--admin-danger); }

@media (max-width: 820px) {
    .admin-login-shell { grid-template-columns: 1fr; }
    .admin-login-intro { min-height: 270px; padding: 38px; }
    .admin-login-intro h1 { margin-top: 42px; font-size: 2.5rem; }
    .admin-login-version { margin-top: 34px; }
    .admin-login-panel { padding: 42px 36px 48px; }
    .admin-module-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
    .admin-login-page { padding: 0; background: var(--admin-login-mobile-bg); }
    .admin-login-shell { min-height: 100vh; border: 0; border-radius: 0; }
    .admin-login-intro { min-height: 230px; padding: 30px 26px; }
    .admin-login-intro h1 { margin-top: 30px; font-size: 2.1rem; }
    .admin-login-intro p { display: none; }
    .admin-login-panel { padding: 36px 26px; align-items: flex-start; }
    .admin-topbar { padding: 0 14px; }
    .admin-user-chip > span { display: none; }
    .admin-main { width: calc(100% - 24px); margin: 14px auto 36px; padding: 18px 14px 28px; border-radius: 12px; }
}

/* Reservas */
.admin-module-card-link { display: flex; flex-direction: column; justify-content: space-between; color: inherit; text-decoration: none; transition: transform .16s, box-shadow .16s, border-color .16s; }
.admin-module-card-link:hover { transform: translateY(-2px); border-color: rgba(47,114,154,.35); box-shadow: 0 18px 42px rgba(35,55,70,.1); }
.admin-module-action { display: inline-flex; width: fit-content; margin-top: 18px; color: var(--admin-primary-strong); font-size: .8rem; font-weight: 800; }
.admin-query-card, .admin-result-card { margin-top: 24px; padding: 24px; border: 1px solid var(--admin-border); border-radius: 16px; background: var(--admin-surface-solid); box-shadow: 0 12px 34px rgba(35,55,70,.06); }
.admin-query-form { display: grid; grid-template-columns: 180px 180px minmax(260px, 1fr) auto; gap: 16px; align-items: end; }
.admin-query-form .admin-field { margin: 0; }
.admin-field-hint { display: block; margin-top: 7px; color: var(--admin-muted); font-size: .72rem; line-height: 1.45; }
.admin-query-action { padding-bottom: 1px; }
.admin-submit-inline { width: auto; min-width: 170px; padding: 0 18px; margin: 0; }
.admin-result-alert { margin-top: 20px; }
.admin-result-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.admin-result-header h2 { margin: 0; font-size: 1.15rem; }
.admin-success-pill { display: inline-flex; padding: 7px 10px; border-radius: 999px; color: #176b43; background: #e9f7ef; font-size: .72rem; font-weight: 800; white-space: nowrap; }
.admin-result-note { margin: 16px 0 18px; color: var(--admin-muted); font-size: .86rem; line-height: 1.55; }
.admin-json-viewer { max-height: 560px; margin: 0; padding: 18px; overflow: auto; border: 1px solid #d8e0e6; border-radius: 12px; color: #d7e4ec; background: #17212b; font: 12.5px/1.55 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; tab-size: 2; }

@media (max-width: 980px) {
    .admin-query-form { grid-template-columns: 1fr 1fr; }
    .admin-query-selection { grid-column: 1 / -1; }
    .admin-query-action { grid-column: 1 / -1; }
    .admin-submit-inline { width: 100%; }
}
@media (max-width: 600px) {
    .admin-query-form { grid-template-columns: 1fr; }
    .admin-query-selection, .admin-query-action { grid-column: auto; }
    .admin-result-header { flex-direction: column; }
}

.admin-table-wrap { margin-top: 18px; overflow: auto; border: 1px solid var(--admin-border); border-radius: 12px; background: var(--admin-surface-solid); }
.admin-data-table { width: 100%; border-collapse: collapse; font-size: .82rem; white-space: nowrap; }
.admin-data-table th, .admin-data-table td { padding: 11px 13px; border-bottom: 1px solid var(--admin-table-border); border-right: 1px solid var(--admin-table-border-soft); text-align: left; vertical-align: top; }
.admin-data-table th:last-child, .admin-data-table td:last-child { border-right: 0; }
.admin-data-table tbody tr:last-child td { border-bottom: 0; }
.admin-data-table th { position: sticky; top: 0; z-index: 1; color: var(--admin-reservations-header-color, #fff); background: var(--admin-reservations-header-background, rgb(96,125,140)); font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: .72rem; font-weight: 600; letter-spacing: 0; }
.admin-data-table tbody tr:hover td { background: var(--admin-hover-bg); }
.admin-data-table tbody tr.admin-reservation-status-0 td { background: var(--admin-reservation-status-0, rgb(255,60,49)); color: var(--admin-reservation-status-active-text, #fff); }
.admin-data-table tbody tr.admin-reservation-status-1 td { background: var(--admin-reservation-status-1, rgb(77,217,100)); color: var(--admin-reservation-status-active-text, #fff); }
.admin-data-table tbody tr.admin-reservation-status-2 td { background: var(--admin-reservation-status-2, #fff); color: var(--admin-reservation-status-cancelled-text, #17212b); }
.admin-data-table tbody tr.admin-reservation-status-0:hover td,
.admin-data-table tbody tr.admin-reservation-status-1:hover td,
.admin-data-table tbody tr.admin-reservation-status-2:hover td { filter: brightness(.97); }
.admin-data-table td { max-width: 420px; overflow: hidden; text-overflow: ellipsis; }

/* Reservas · controles de visualización */
.admin-view-controls { margin-top: 18px; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 1px solid var(--admin-border); border-radius: 12px; background: var(--admin-softer-bg); }
.admin-view-controls-title { display: block; font-size: .82rem; font-weight: 800; }
.admin-view-controls-description { display: block; margin-top: 3px; color: var(--admin-muted); font-size: .72rem; }
.admin-switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; white-space: nowrap; }
.admin-switch input { position: absolute; opacity: 0; pointer-events: none; }
.admin-switch-track { width: 44px; height: 24px; padding: 2px; display: inline-flex; align-items: center; border-radius: 999px; background: var(--admin-switch-off); transition: background .18s; }
.admin-switch-thumb { width: 20px; height: 20px; display: block; border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(20, 38, 52, .25); transition: transform .18s; }
.admin-switch input:checked + .admin-switch-track { background: var(--admin-primary); }
.admin-switch input:checked + .admin-switch-track .admin-switch-thumb { transform: translateX(20px); }
.admin-switch input:focus-visible + .admin-switch-track { outline: 3px solid rgba(47,114,154,.18); outline-offset: 2px; }
.admin-switch-label { font-size: .78rem; font-weight: 700; }

.admin-dimension-selector { display: inline-flex; align-items: center; gap: 8px; color: var(--admin-muted); font-size: .74rem; font-weight: 700; }
.admin-dimension-selector select { min-width: 150px; height: 34px; padding: 0 30px 0 10px; border: 1px solid var(--admin-border); border-radius: 9px; color: var(--admin-text); background: var(--admin-input-bg); font: inherit; font-size: .76rem; font-weight: 700; }
.admin-dimension-selector select:disabled { opacity: .55; cursor: not-allowed; }
.is-hidden { display: none !important; }
.admin-date-groups { margin-top: 18px; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(620px, 1fr); gap: 14px; overflow-x: auto; padding: 0 0 8px; align-items: start; }
.admin-date-column { min-width: 0; overflow: hidden; border: 1px solid var(--admin-border); border-radius: 12px; background: var(--admin-surface-solid); }
.admin-date-column-header { min-height: 58px; padding: 12px 14px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--admin-border); background: var(--admin-soft-bg); }
.admin-date-column-title { font-size: .84rem; font-weight: 800; text-transform: capitalize; }
.admin-date-column-count { padding: 5px 8px; border-radius: 999px; color: var(--admin-primary-strong); background: rgba(47,114,154,.1); font-size: .68rem; font-weight: 800; white-space: nowrap; }
.admin-date-column-table-wrap { overflow: auto; }
.admin-date-table { min-width: max-content; }
.admin-date-table th { position: sticky; top: 0; }

@media (max-width: 700px) {
    .admin-view-controls { align-items: flex-start; flex-direction: column; }
    .admin-date-groups { grid-auto-columns: minmax(88vw, 1fr); }
}

/* Reservas · agrupación genérica por dimensión */
.admin-view-switches { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.admin-dimension-groups { margin-top: 18px; display: grid; gap: 14px; }
.admin-dimension-group { min-width: 0; overflow: hidden; border: 1px solid var(--admin-border); border-radius: 12px; background: var(--admin-surface-solid); }
.admin-dimension-group-header { min-height: 52px; padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--admin-border); background: var(--admin-soft-bg); }
.admin-dimension-group-title { font-size: .82rem; font-weight: 800; }
.admin-date-dimension-groups { padding: 12px; display: grid; gap: 12px; }
.admin-dimension-group-nested { border-radius: 10px; }
.admin-dimension-group-nested .admin-dimension-group-header { background: var(--admin-softer-bg); }

@media (max-width: 700px) {
    .admin-view-switches { align-items: flex-start; flex-direction: column; gap: 12px; }
}


/* Iteración 11: orientación transpuesta de reservas */
.admin-transposed-wrap { margin-top: 0; }
.admin-transposed-table { width: max-content; min-width: 100%; table-layout: auto; }
.admin-transposed-table th, .admin-transposed-table td { min-width: 130px; max-width: 240px; white-space: normal; }
.admin-transposed-table .admin-transposed-item, .admin-transposed-table .admin-transposed-row-title { position: sticky; left: 0; z-index: 3; min-width: 170px; max-width: 220px; font-weight: 800; }
.admin-transposed-table .admin-transposed-item { z-index: 4; background: var(--admin-reservations-header-background, rgb(96,125,140)); color: var(--admin-reservations-header-color, #fff); }
.admin-transposed-table .admin-transposed-row-title { background: var(--admin-soft-bg); color: var(--admin-heading-muted); }
.admin-transposed-table .admin-transposed-ticket-time { text-align: center; min-width: 130px; font-size: .78rem; }
.admin-transposed-table th.admin-reservation-status-0 { background: var(--admin-reservation-status-0, rgb(255,60,49)); color: var(--admin-reservation-status-active-text, #fff); }
.admin-transposed-table th.admin-reservation-status-1 { background: var(--admin-reservation-status-1, rgb(77,217,100)); color: var(--admin-reservation-status-active-text, #fff); }
.admin-transposed-table th.admin-reservation-status-2 { background: var(--admin-reservation-status-2, #fff); color: var(--admin-reservation-status-cancelled-text, #17212b); }
.admin-transposed-table td.admin-reservation-column-status-0 { border-top: 3px solid var(--admin-reservation-status-0, rgb(255,60,49)); }
.admin-transposed-table td.admin-reservation-column-status-1 { border-top: 3px solid var(--admin-reservation-status-1, rgb(77,217,100)); }
.admin-transposed-table td.admin-reservation-column-status-2 { border-top: 3px solid var(--admin-reservation-status-2, #fff); }
.admin-transposed-table tbody td { vertical-align: top; }


/* Iteración 16: selector de tema claro / oscuro */
.admin-theme-toggle { min-height: 38px; padding: 0 11px; display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--admin-border); border-radius: 999px; color: var(--admin-text); background: var(--admin-control-bg); cursor: pointer; transition: background .16s, border-color .16s, transform .16s; }
.admin-theme-toggle:hover { background: var(--admin-soft-bg); }
.admin-theme-toggle:active { transform: translateY(1px); }
.admin-theme-icon { width: 17px; height: 17px; }
.admin-theme-icon-moon { display: none; }
:root[data-theme="dark"] .admin-theme-icon-sun { display: none; }
:root[data-theme="dark"] .admin-theme-icon-moon { display: block; }
.admin-theme-toggle-label { font-size: .76rem; font-weight: 750; }
.admin-login-theme-control { position: fixed; top: 20px; right: 22px; z-index: 20; }
:root[data-theme="dark"] .admin-alert { border-color: #6c3835; color: #ffb4ae; background: #321d1c; }
:root[data-theme="dark"] .admin-success-pill { color: #83d9ad; background: #173628; }
:root[data-theme="dark"] .admin-placeholder-pill { color: var(--admin-muted); }
:root[data-theme="dark"] .admin-date-column-count { background: rgba(75,151,194,.16); }
:root[data-theme="dark"] .admin-switch-thumb { background: #f7fafc; }
@media (max-width: 520px) {
    .admin-theme-toggle-label { display: none; }
    .admin-theme-toggle { width: 38px; padding: 0; justify-content: center; }
    .admin-login-theme-control { top: 14px; right: 14px; }
}


/* Iteración 18: control de agrupación expresado en términos del usuario */
.admin-group-by-control { display: inline-flex; align-items: center; gap: 10px; }
.admin-group-by-select { min-width: 150px; height: 34px; padding: 0 30px 0 10px; border: 1px solid var(--admin-border); border-radius: 9px; color: var(--admin-text); background: var(--admin-input-bg); font: inherit; font-size: .76rem; font-weight: 700; }
.admin-group-by-select:disabled { opacity: .55; cursor: not-allowed; }
@media (max-width: 700px) {
    .admin-group-by-control { align-items: flex-start; flex-wrap: wrap; }
}


/* Iteración 19: filtros de visibilidad separados de la organización */
.admin-visibility-controls { margin-top: 18px; padding: 14px 16px; display: grid; grid-template-columns: auto minmax(280px, 1fr) auto; align-items: center; gap: 16px; border: 1px solid var(--admin-border); border-radius: 12px; background: var(--admin-softer-bg); }
.admin-controls-heading { min-width: 130px; }
.admin-visibility-filter-list { min-width: 0; display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.admin-visibility-filter { display: inline-flex; align-items: center; gap: 8px; padding: 6px; border: 1px solid var(--admin-border); border-radius: 10px; background: var(--admin-surface-solid); }
.admin-visibility-dimension-select { min-width: 145px; }
.admin-visibility-record-select { min-width: 180px; }
.admin-filter-remove { width: 30px; height: 30px; padding: 0; display: grid; place-items: center; border: 0; border-radius: 8px; color: var(--admin-muted); background: transparent; font-size: 1.25rem; line-height: 1; cursor: pointer; }
.admin-filter-remove:hover { color: var(--admin-text); background: var(--admin-hover-bg); }
.admin-visibility-actions { display: inline-flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.admin-filter-action { min-height: 34px; padding: 0 10px; border: 1px solid var(--admin-button-border, #aaa); border-radius: var(--admin-button-radius, 5px); color: var(--admin-button-text, #2f729a); background: var(--admin-button-background, #fff); font: inherit; font-size: .72rem; font-weight: 750; text-align: center; cursor: pointer; transition: background .5s ease, border-color .5s ease, color .5s ease, box-shadow .5s ease; }
.admin-filter-action:hover { border-color: var(--admin-button-hover-border, #007aff); background: var(--admin-button-hover-background, #007aff); color: var(--admin-button-hover-text, #fff); }
.admin-filter-action:focus, .admin-filter-action:focus-visible { outline: none; border-color: var(--admin-button-focus-border, #2f729a); background: var(--admin-button-focus-background, #2f729a); color: var(--admin-button-focus-text, #fff); box-shadow: var(--admin-button-focus-shadow, rgba(2,164,241,.62) 0 0 5px 2px); }
.admin-organization-controls { margin-top: 10px; }

@media (max-width: 980px) {
    .admin-visibility-controls { grid-template-columns: 1fr; align-items: flex-start; }
    .admin-visibility-actions { justify-content: flex-start; }
}

@media (max-width: 700px) {
    .admin-visibility-filter { width: 100%; flex-wrap: wrap; }
    .admin-visibility-dimension-select, .admin-visibility-record-select { min-width: 0; flex: 1 1 160px; }
}

/* Iteración 21: presentación orientada al asesor. */
.admin-color-indicator { display: inline-flex; align-items: center; justify-content: center; min-width: 28px; min-height: 22px; }
.admin-color-swatch { display: inline-block; width: 18px; height: 18px; border-radius: 50%; background: var(--reservation-color); border: 2px solid rgba(255,255,255,.85); box-shadow: 0 0 0 1px rgba(15,23,42,.28), 0 1px 3px rgba(15,23,42,.18); }
.admin-empty-value { opacity: .55; }

/* Iteración 36: actualización parcial de filtros de visibilidad. */
.admin-result-card.is-updating {
    cursor: progress;
}
.admin-result-card.is-updating [data-reservas-visibility-form] select,
.admin-result-card.is-updating [data-reservas-visibility-form] button {
    cursor: progress;
}

/* Iteración 37: navegación y actualización full AJAX. */
.admin-screen,
.admin-results-region,
.admin-result-card {
    transition: opacity 220ms ease, transform 220ms ease, filter 220ms ease;
}

.admin-screen.is-updating,
.admin-results-region.is-updating,
.admin-result-card.is-updating {
    opacity: .72;
    filter: saturate(.92);
}

.admin-screen.is-ajax-leaving,
.admin-results-region.is-ajax-leaving,
.admin-result-card.is-ajax-leaving {
    opacity: 0;
    transform: translateY(4px);
}

.admin-screen.is-ajax-entering,
.admin-results-region.is-ajax-entering,
.admin-result-card.is-ajax-entering {
    opacity: 0;
    transform: translateY(4px);
}

@media (prefers-reduced-motion: reduce) {
    .admin-screen,
    .admin-results-region,
    .admin-result-card {
        transition-duration: 1ms;
    }
}

/* Iteración 39: tratamiento visual seguro de errores de producción. */
.admin-system-failure {
    position: fixed;
    inset: 0;
    z-index: 5000;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(8, 17, 25, .58);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .24s ease, visibility .24s ease;
}
.admin-system-failure.is-visible { opacity: 1; visibility: visible; }
.admin-system-failure-card {
    width: min(520px, 100%);
    padding: 34px 32px;
    border: 1px solid var(--admin-border, #d7e0e8);
    border-radius: 18px;
    background: var(--admin-surface, #fff);
    color: var(--admin-text, #17212b);
    box-shadow: 0 24px 70px rgba(0, 0, 0, .24);
    text-align: center;
    transform: translateY(10px) scale(.985);
    transition: transform .24s ease;
}
.admin-system-failure.is-visible .admin-system-failure-card { transform: translateY(0) scale(1); }
.admin-system-failure-mark {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: rgba(196, 55, 55, .12);
    color: #c43737;
    font-size: 1.55rem;
    font-weight: 800;
}
.admin-system-failure h2 { margin: 0 0 12px; font-size: 1.35rem; }
.admin-system-failure p { margin: 0; color: var(--admin-muted, #6c7a86); line-height: 1.6; }
.admin-system-failure-status { margin-top: 18px; font-size: .82rem; color: var(--admin-muted, #6c7a86); }