/* Mature SaaS admin design system. Loaded after admin.css. */
:root {
  --ad-bg: #f3f5f8;
  --ad-surface: #fff;
  --ad-soft: #f6f8fb;
  --ad-ink: #101828;
  --ad-ink-2: #344054;
  --ad-muted: #7b8494;
  --ad-line: #e5e9f0;
  --ad-line-strong: #d5dce7;
  --ad-blue: #376fe8;
  --ad-blue-dark: #2455c7;
  --ad-blue-soft: #eef4ff;
  --ad-teal: #2eb9a0;
  --ad-amber: #db963f;
  --ad-danger: #d24c5a;
  --ad-sidebar: #0d1420;
  --ad-sidebar-2: #121c2a;
  --ad-radius-sm: 10px;
  --ad-radius: 16px;
  --ad-radius-lg: 22px;
  --ad-shadow-sm: 0 5px 18px rgba(15, 27, 44, .05);
  --ad-shadow: 0 18px 50px rgba(15, 27, 44, .08);
  --ad-shadow-lg: 0 30px 90px rgba(8, 17, 31, .24);
}

html { background: var(--ad-bg); }
body { min-width: 320px; background: var(--ad-bg); color: var(--ad-ink); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid rgba(55, 111, 232, .22); outline-offset: 2px; }
.eyebrow { color: var(--ad-blue); font-size: 9px; letter-spacing: .18em; }
.muted { color: var(--ad-muted); }

/* Loading feedback */
.admin-loading-bar { position: fixed; z-index: 200; top: 0; left: 0; width: 0; height: 3px; opacity: 0; background: linear-gradient(90deg, var(--ad-blue), #69a2ff, var(--ad-teal)); box-shadow: 0 0 14px rgba(55,111,232,.5); transition: opacity .15s; }
.admin-busy .admin-loading-bar { width: 72%; opacity: 1; animation: admin-load 1.1s ease-in-out infinite alternate; }
@keyframes admin-load { from { transform: translateX(-20%); } to { transform: translateX(65%); } }

/* Login */
.login-page { min-height: 100dvh; grid-template-columns: minmax(440px, 1.15fr) minmax(400px, .85fr); gap: 0; padding: 18px; background: #eef2f7; }
.login-showcase { position: relative; min-height: calc(100dvh - 36px); overflow: hidden; border-radius: 26px; background: linear-gradient(145deg, #09111e, #10233c 62%, #1e4e72); color: #fff; box-shadow: var(--ad-shadow-lg); }
.login-showcase::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 68% 31%, rgba(71, 139, 255, .36), transparent 23rem), radial-gradient(circle at 10% 90%, rgba(46,185,160,.17), transparent 28rem); }
.login-showcase::after { content: ""; position: absolute; width: 520px; height: 520px; right: -170px; bottom: -190px; border: 1px solid rgba(255,255,255,.1); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,.025), 0 0 0 140px rgba(255,255,255,.018); }
.login-showcase-content { position: relative; z-index: 1; max-width: 690px; min-height: 100%; display: flex; flex-direction: column; justify-content: center; padding: clamp(54px, 7vw, 110px); }
.login-badge { width: max-content; padding: 8px 11px; border: 1px solid rgba(126, 169, 255, .28); border-radius: 8px; background: rgba(79, 129, 232, .11); color: #91b4ff; font-size: 9px; font-weight: 850; letter-spacing: .16em; }
.login-showcase h2 { margin: 24px 0 18px; font-size: clamp(38px, 4.1vw, 68px); line-height: 1.08; letter-spacing: -.055em; }
.login-showcase p { max-width: 560px; margin: 0; color: rgba(221,230,244,.66); font-size: 15px; line-height: 1.8; }
.login-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 54px; }
.login-feature-grid span { min-height: 100px; padding: 17px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid rgba(255,255,255,.09); border-radius: 15px; background: rgba(255,255,255,.045); color: rgba(255,255,255,.75); font-size: 12px; backdrop-filter: blur(10px); }
.login-feature-grid b { color: #78a5ff; font-size: 11px; letter-spacing: .1em; }
.login-card { width: min(460px, calc(100% - 44px)); margin: auto; padding: 46px; border: 1px solid var(--ad-line); border-radius: 24px; background: rgba(255,255,255,.94); box-shadow: var(--ad-shadow); }
.login-card::before { display: none; }
.login-mark { width: 50px; height: 50px; margin-top: 42px; border-radius: 14px; background: linear-gradient(145deg, #4e89ff, #2859cf); box-shadow: 0 14px 30px rgba(46, 98, 216, .24); }
.login-card h1 { color: var(--ad-ink); font-size: 34px; letter-spacing: -.04em; }
.back-link { color: var(--ad-muted); }
.login-card form { gap: 18px; }

/* Form controls */
label { gap: 8px; color: var(--ad-ink-2); font-size: 12px; font-weight: 700; }
input, textarea, select { min-height: 44px; border: 1px solid var(--ad-line-strong); border-radius: 11px; background: var(--ad-surface); color: var(--ad-ink); padding: 11px 13px; font-size: 13px; transition: border-color .16s, box-shadow .16s, background .16s; }
textarea { line-height: 1.7; }
input::placeholder, textarea::placeholder { color: #a1a9b7; }
input:hover, textarea:hover, select:hover { border-color: #bdc7d6; }
input:focus, textarea:focus, select:focus { border-color: var(--ad-blue); box-shadow: 0 0 0 4px rgba(55,111,232,.10); }
.primary, .secondary, .danger { min-height: 42px; padding: 0 16px; border-radius: 10px; font-size: 12px; font-weight: 780; transition: transform .16s, box-shadow .16s, filter .16s; }
.primary { background: linear-gradient(135deg, #4a83f5, #2e62d5); color: #fff; box-shadow: 0 9px 22px rgba(55,111,232,.18); }
.primary:hover { transform: translateY(-1px); box-shadow: 0 13px 28px rgba(55,111,232,.24); }
.secondary { border: 1px solid var(--ad-line); background: var(--ad-surface); color: var(--ad-ink-2); box-shadow: var(--ad-shadow-sm); }
.secondary:hover { border-color: #c3ccda; background: var(--ad-soft); }
.danger { background: #fff0f1; color: var(--ad-danger); }
.wide { min-height: 48px; }

/* Shell and navigation */
.admin-shell { grid-template-columns: 266px 1fr; }
.sidebar { width: 266px; padding: 20px 14px; background: linear-gradient(180deg, var(--ad-sidebar), var(--ad-sidebar-2)); box-shadow: 10px 0 35px rgba(9,18,31,.08); }
.sidebar::after { content: ""; position: absolute; inset: auto 14px 0; height: 180px; pointer-events: none; background: radial-gradient(circle at 50% 100%, rgba(57,111,232,.12), transparent 68%); }
.sidebar-brand { position: relative; z-index: 1; padding: 4px 8px 24px; }
.sidebar-brand span { width: 42px; height: 42px; border-radius: 13px; background: linear-gradient(145deg, #568cff, #2bbca0); color: #07121e; box-shadow: 0 12px 26px rgba(65,130,237,.22); }
.sidebar-brand strong { color: #f5f7fa; font-size: 14px; }
.sidebar-brand small { color: #65738a; font-size: 7px; letter-spacing: .18em; }
.sidebar nav { position: relative; z-index: 1; gap: 4px; }
.nav-item { min-height: 42px; padding: 0 12px; display: flex; align-items: center; gap: 11px; border-radius: 10px; color: #8c98aa; font-size: 12px; font-weight: 650; }
.nav-item img, .sidebar-footer img { width: 18px; height: 18px; opacity: .63; filter: invert(66%) sepia(9%) saturate(607%) hue-rotate(177deg) brightness(89%); }
.nav-item:hover { background: rgba(255,255,255,.045); color: #dae1eb; }
.nav-item.active { border-color: rgba(112,159,255,.13); background: linear-gradient(90deg, rgba(62,112,220,.28), rgba(46,185,160,.07)); color: #fff; box-shadow: inset 3px 0 #5d91ff; }
.nav-item.active img { opacity: 1; filter: invert(69%) sepia(81%) saturate(2247%) hue-rotate(190deg) brightness(101%); }
.sidebar-footer { position: relative; z-index: 1; border-top-color: rgba(255,255,255,.07); }
.sidebar-footer a, .sidebar-footer button { min-height: 39px; display: flex; align-items: center; gap: 9px; border-radius: 9px; color: #7d899b; }
.sidebar-footer a:hover, .sidebar-footer button:hover { background: rgba(255,255,255,.045); color: #e4e9f1; }
.admin-main { grid-column: 2; }
.admin-header { height: 68px; padding: 0 34px; border-bottom: 1px solid var(--ad-line); background: rgba(255,255,255,.88); backdrop-filter: blur(20px); }
.admin-top-brand > span { border-radius: 11px; background: var(--ad-blue-soft); color: var(--ad-blue); }
.admin-top-brand strong { color: var(--ad-ink); font-size: 13px; }
.admin-top-brand small, .admin-account small { color: var(--ad-muted); }
.admin-account strong { color: var(--ad-ink); }
.view { width: min(1320px, calc(100% - 72px)); padding: 40px 0 90px; }
.view.active { animation: view-in .24s ease both; }
@keyframes view-in { from { opacity: 0; transform: translateY(6px); } }
.page-title { min-height: 90px; margin-bottom: 22px; align-items: start; }
.page-title h1 { color: var(--ad-ink); font-size: 33px; letter-spacing: -.045em; }
.page-title p:not(.eyebrow) { max-width: 700px; color: var(--ad-muted); font-size: 12px; line-height: 1.7; }

/* Dashboard and analytics */
.stats-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.stat-card { min-height: 132px; padding: 21px; display: flex; flex-direction: column; justify-content: space-between; border: 1px solid var(--ad-line); border-radius: var(--ad-radius); background: var(--ad-surface); box-shadow: var(--ad-shadow-sm); }
.stat-card::after { width: 72px; height: 72px; right: -30px; bottom: -34px; background: linear-gradient(145deg, rgba(55,111,232,.13), rgba(46,185,160,.08)); }
.stat-card strong { color: var(--ad-ink); font-size: 34px; letter-spacing: -.045em; }
.stat-card span { color: var(--ad-muted); font-size: 11px; }
.welcome-panel { min-height: 210px; margin-top: 16px; padding: 36px 42px; border-radius: var(--ad-radius-lg); background: linear-gradient(125deg, #101b2d, #224e85 58%, #22937f); box-shadow: 0 22px 55px rgba(27,65,107,.16); }
.welcome-panel h2 { max-width: 600px; font-size: 30px; letter-spacing: -.04em; }
.welcome-panel p:not(.eyebrow) { font-size: 13px; line-height: 1.8; }
.analytics-stats { gap: 13px; }
.analytics-card { min-height: 150px; border-color: var(--ad-line); border-radius: var(--ad-radius); background: var(--ad-surface); box-shadow: var(--ad-shadow-sm); }
.analytics-card small { color: var(--ad-blue); }
.analytics-card strong { color: var(--ad-ink); font-size: 40px; }
.analytics-card span { color: var(--ad-muted); }
.analytics-panel, .panel, .table-card { border: 1px solid var(--ad-line); border-radius: var(--ad-radius); background: var(--ad-surface); box-shadow: var(--ad-shadow-sm); }
.analytics-bar-track { background: linear-gradient(180deg, rgba(55,111,232,.03), rgba(55,111,232,.09)); }
.analytics-bar { background: linear-gradient(180deg, #72a5ff, #3d75e8 60%, #2eb9a0); }

/* Tables, cards and empty states */
.toolbar { margin-bottom: 12px; }
.toolbar input { max-width: 410px; padding-left: 14px; background: var(--ad-surface); }
.list-row { min-height: 78px; grid-template-columns: minmax(260px, 2fr) minmax(130px, 1fr) 100px 170px; padding: 15px 20px; border-bottom-color: var(--ad-line); }
.list-row:hover { background: var(--ad-soft); }
.list-main strong { color: var(--ad-ink); font-size: 13px; }
.list-main small, .list-cell { color: var(--ad-muted); }
.list-actions button, .category-admin-actions button, .subcategory-actions button, .banner-admin-actions button, .panel-admin-actions button, .media-actions button { min-height: 32px; border: 1px solid var(--ad-line); border-radius: 8px; background: var(--ad-surface); color: var(--ad-ink-2); }
.list-actions button:hover, .category-admin-actions button:hover, .subcategory-actions button:hover { background: var(--ad-blue-soft); color: var(--ad-blue); }
.status { background: #e9f8f3; color: #158368; }
.status.draft { background: #f5f1e8; color: #8a6a35; }
.empty-list { min-height: 200px; display: grid; place-items: center; color: var(--ad-muted); border-radius: inherit; background: repeating-linear-gradient(-45deg, transparent, transparent 12px, rgba(21,38,62,.012) 12px, rgba(21,38,62,.012) 24px); }

.category-admin-grid { gap: 13px; }
.category-admin-card, .banner-admin-card, .panel-admin-card, .media-card { border-color: var(--ad-line); border-radius: var(--ad-radius); background: var(--ad-surface); box-shadow: var(--ad-shadow-sm); }
.category-admin-head { padding: 18px 20px; }
.category-admin-icon { background: linear-gradient(145deg, var(--ad-blue-soft), #e8faf6); color: var(--ad-blue); }
.category-admin-copy strong, .banner-admin-body h3, .panel-admin-content h3 { color: var(--ad-ink); }
.category-admin-copy small, .subcategory-name small, .subcategory-cell, .banner-admin-body p, .panel-admin-content p { color: var(--ad-muted); }
.category-admin-meta span { background: var(--ad-soft); color: var(--ad-muted); }
.subcategory-list { border-top-color: var(--ad-line); background: var(--ad-soft); }
.subcategory-row { border-bottom-color: var(--ad-line); }
.banner-admin-grid, .panel-admin-grid { gap: 15px; }
.banner-admin-image { aspect-ratio: 2.6 / 1; }
.media-grid { gap: 14px; }
.media-card:hover { border-color: #cad4e4; box-shadow: var(--ad-shadow); }
.media-preview { background-color: var(--ad-soft); }

/* Download link workspace */
.download-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; margin-bottom: 18px; }
.download-stat-card { min-height: 126px; padding: 20px; display: grid; align-content: space-between; border: 1px solid var(--ad-line); border-radius: var(--ad-radius); background: var(--ad-surface); box-shadow: var(--ad-shadow-sm); }
.download-stat-card strong { color: var(--ad-ink); font-size: 31px; line-height: 1; }
.download-stat-card span { margin-top: 13px; color: var(--ad-ink-2); font-size: 12px; font-weight: 800; }
.download-stat-card small { margin-top: 3px; color: var(--ad-muted); font-size: 9px; }
.download-admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.download-admin-card { padding: 20px; border: 1px solid var(--ad-line); border-radius: var(--ad-radius); background: var(--ad-surface); box-shadow: var(--ad-shadow-sm); }
.download-card-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.download-card-head > div { min-width: 0; }
.download-card-head small { display: block; margin-bottom: 4px; color: var(--ad-blue); font-size: 9px; font-weight: 850; letter-spacing: .08em; }
.download-card-head strong { display: block; overflow: hidden; color: var(--ad-ink); font-size: 16px; white-space: nowrap; text-overflow: ellipsis; }
.download-routes { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 17px; }
.download-route { min-height: 94px; padding: 13px; display: grid; align-content: space-between; border: 1px solid var(--ad-line); border-radius: 12px; background: var(--ad-soft); }
.download-route > span { color: var(--ad-muted); font-size: 9px; }
.download-route strong { margin-top: 8px; color: var(--ad-ink-2); font-size: 12px; }
.download-route small { color: var(--ad-muted); font-size: 9px; }
.download-route.ready { border-color: rgba(46,185,160,.21); background: #f0faf7; }
.download-route.ready small { color: #14836d; }
.download-route.missing { border-color: rgba(210,76,90,.14); background: #fff7f7; }
.download-route.missing small { color: var(--ad-danger); }
.download-codes { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--ad-line); color: var(--ad-muted); font-size: 10px; }

/* Settings and dialogs */
.settings-form { padding: 28px; }
.settings-divider { border-top-color: var(--ad-line); color: var(--ad-ink); }
.password-copy h2 { color: var(--ad-ink); }
.password-copy p:not(.eyebrow) { color: var(--ad-muted); }
fieldset { border-color: var(--ad-line); }
.editor-dialog { border: 1px solid var(--ad-line); border-radius: 20px; background: var(--ad-surface); color: var(--ad-ink); box-shadow: var(--ad-shadow-lg); }
.editor-dialog::backdrop { background: rgba(5,12,22,.72); backdrop-filter: blur(10px); }
.editor-dialog form { padding: 28px; }
.dialog-head { margin-bottom: 25px; }
.dialog-head h2 { color: var(--ad-ink); font-size: 26px; letter-spacing: -.035em; }
.close-button { border: 1px solid var(--ad-line); background: var(--ad-soft); color: var(--ad-ink); }
.form-actions { border-top-color: var(--ad-line); }
.check-row { color: var(--ad-ink-2); }
.check-row input { accent-color: var(--ad-blue); }
.toast { border: 1px solid rgba(255,255,255,.12); border-radius: 11px; background: #101a28; box-shadow: var(--ad-shadow); }
.preview-toolbar { display: flex; gap: 9px; }
.button-link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.mobile-preview-workspace {
  min-height: 780px;
  display: grid;
  grid-template-columns: minmax(250px, 360px) minmax(430px, 1fr);
  align-items: center;
  gap: 54px;
  padding: 42px;
  border: 1px solid var(--ad-line);
  border-radius: 22px;
  background: radial-gradient(circle at 82% 16%, rgba(74, 114, 217, .11), transparent 30%), radial-gradient(circle at 18% 76%, rgba(46, 185, 160, .09), transparent 28%), var(--ad-surface);
  box-shadow: var(--ad-shadow-sm);
}
.mobile-preview-notes { align-self: start; margin-top: 70px; }
.mobile-preview-notes > span { display: inline-flex; padding: 6px 9px; border-radius: 7px; color: #14836d; background: #e9f8f3; font-size: 9px; font-weight: 850; letter-spacing: .08em; }
.mobile-preview-notes strong { display: block; margin-top: 18px; color: var(--ad-ink); font-size: 28px; line-height: 1.2; letter-spacing: -.04em; }
.mobile-preview-notes p { margin: 14px 0 0; color: var(--ad-muted); font-size: 12px; line-height: 1.8; }
.mobile-device-frame { width: 430px; height: 760px; position: relative; justify-self: center; padding: 24px 18px 30px; border: 8px solid #101722; border-radius: 46px; background: #101722; box-shadow: 0 35px 80px rgba(19, 30, 46, .24), inset 0 0 0 1px rgba(255,255,255,.1); }
.mobile-device-frame iframe { width: 390px; height: 698px; display: block; border: 0; border-radius: 26px; background: #fff; }
.mobile-device-speaker { width: 64px; height: 5px; position: absolute; z-index: 2; top: 10px; left: 50%; border-radius: 8px; background: #293342; transform: translateX(-50%); }
.mobile-device-home { width: 92px; height: 5px; position: absolute; bottom: 10px; left: 50%; border-radius: 8px; background: #3b4655; transform: translateX(-50%); }
.sidebar-backdrop { display: none; }

@media (max-width: 1160px) {
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .download-admin-grid { grid-template-columns: 1fr; }
  .view { width: min(100% - 44px, 1320px); }
}
@media (max-width: 900px) {
  .login-page { grid-template-columns: 1fr; padding: 0; }
  .login-showcase { display: none; }
  .login-card { margin: auto; }
  .admin-shell { display: block; }
  .sidebar { z-index: 80; transform: translateX(-105%); transition: transform .24s ease; }
  .sidebar.open { transform: none; }
  .sidebar.open ~ * .sidebar-backdrop, .sidebar.open + .sidebar-backdrop { display: block; }
  .sidebar-backdrop { position: fixed; z-index: 70; inset: 0; width: 100%; height: 100%; border: 0; background: rgba(6,12,21,.56); backdrop-filter: blur(5px); }
  body:has(.sidebar.open) .sidebar-backdrop { display: block; }
  .admin-main { min-width: 0; }
  .admin-header { padding-inline: 15px; }
  .menu-toggle { display: grid; place-items: center; }
  .view { width: min(100% - 28px, 1320px); padding-top: 28px; }
  .analytics-stats, .download-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .banner-admin-grid, .panel-admin-grid { grid-template-columns: 1fr; }
  .mobile-preview-workspace { grid-template-columns: 1fr; gap: 28px; padding: 28px 18px; }
  .mobile-preview-notes { margin-top: 0; }
}
@media (max-width: 620px) {
  .login-card { width: min(100% - 28px, 460px); padding: 32px 24px; }
  .admin-top-brand small { display: none; }
  .admin-account small { display: none; }
  .page-title { min-height: 0; flex-direction: column; gap: 16px; }
  .page-title h1 { font-size: 29px; }
  .page-title > button, .page-actions { width: 100%; }
  .page-title > button { justify-content: center; }
  .page-actions > * { flex: 1; }
  .stats-grid, .analytics-stats, .download-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .stat-card, .analytics-card, .download-stat-card { min-height: 112px; padding: 16px; }
  .stat-card strong, .analytics-card strong, .download-stat-card strong { font-size: 29px; }
  .welcome-panel { min-height: 240px; padding: 26px; align-items: flex-start; flex-direction: column; }
  .welcome-panel h2 { font-size: 25px; }
  .analytics-panel { padding: 20px 13px; }
  .analytics-chart { gap: 6px; padding-inline: 0; }
  .download-routes { grid-template-columns: 1fr; }
  .download-card-head { align-items: stretch; flex-direction: column; }
  .download-card-head .secondary { width: 100%; }
  .list-row { grid-template-columns: minmax(0, 1fr) auto; padding: 14px; }
  .list-row .list-cell { display: none; }
  .category-admin-head { grid-template-columns: 1fr; }
  .category-admin-actions { justify-content: flex-start; }
  .subcategory-row { grid-template-columns: 1fr auto; padding-left: 18px; }
  .subcategory-row .subcategory-cell { display: none; }
  .media-grid { grid-template-columns: 1fr; }
  .settings-form, .editor-dialog form { padding: 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .full { grid-column: auto; }
  .editor-dialog { width: calc(100% - 18px); max-height: calc(100dvh - 18px); border-radius: 17px; }
  .preview-toolbar { width: 100%; }
  .preview-toolbar > * { flex: 1; }
  .mobile-preview-workspace { min-height: 0; overflow: hidden; }
  .mobile-device-frame { width: 360px; height: 670px; transform: scale(.88); transform-origin: top center; margin-bottom: -74px; }
  .mobile-device-frame iframe { width: 320px; height: 608px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}