/* =====================================================================
   DIDEALS v4 "glass" layer (2026-10-20): the sign-in page's design language
   carried across every page. Loaded last (after app.css, live.css, tips.css);
   tokens from app.css only, CSS only (CSP style-src 'self').
     - colour-mesh backdrop with slow drifting orbs (same palette as sign-in)
     - frosted-glass surfaces: cards, KPIs, tables, menus, dialogs, toasts
     - larger radii, light top highlight, accent-tinted elevation
     - gradient showcase panels (hero, deal hero, error pages) with the dot grid
     - entrance motion like the sign-in card; all motion respects reduced-motion
     - fallbacks: no backdrop-filter, reduced transparency, more contrast, forced colours, print
   ===================================================================== */

:root {
  --r-xl: 20px; --r-lg: 14px; --r-md: 10px; --r-sm: 7px;
  --glass-bg: color-mix(in srgb, var(--surface) 80%, transparent);
  --glass-bg-strong: color-mix(in srgb, var(--surface) 90%, transparent);
  --glass-line: color-mix(in srgb, var(--border) 75%, transparent);
  --glass-hi: inset 0 1px 0 rgba(255, 255, 255, .65);
  --glass-blur: blur(14px) saturate(160%);
  --lift: 0 18px 40px -22px color-mix(in srgb, var(--accent) 45%, transparent), var(--shadow-2);
  --lift-hover: 0 26px 56px -24px color-mix(in srgb, var(--accent) 55%, transparent), var(--shadow-3);
  --art: linear-gradient(135deg, #4f46e5 0%, #7c3aed 45%, #db2777 100%);
  --dots: radial-gradient(rgba(255, 255, 255, .9) 1px, transparent 1.2px);
}
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: color-mix(in srgb, var(--surface) 74%, transparent);
    --glass-bg-strong: color-mix(in srgb, var(--surface) 88%, transparent);
    --glass-hi: inset 0 1px 0 rgba(255, 255, 255, .06);
    --lift: 0 18px 44px -20px rgba(0, 0, 0, .75), 0 0 0 1px rgba(255, 255, 255, .02);
    --lift-hover: 0 26px 60px -22px rgba(0, 0, 0, .85), 0 0 40px -18px color-mix(in srgb, var(--accent) 45%, transparent);
    --art: linear-gradient(135deg, #4338ca 0%, #6d28d9 45%, #be185d 100%);
  }
}

/* ---------- modern platform defaults ---------- */
@view-transition { navigation: auto; }                     /* smooth page-to-page cross-fade where supported */
html { scrollbar-gutter: stable; scroll-behavior: smooth; }
h1, h2, h3, .auth-title { text-wrap: balance; }
p, li, .hint { text-wrap: pretty; }
::selection { background: color-mix(in srgb, var(--accent) 28%, transparent); }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 200; padding: 10px 16px; border-radius: var(--r-md);
  background: var(--accent); color: #fff; font-weight: 700; transition: top .15s var(--ease); }
.skip-link:focus { top: 12px; text-decoration: none; }

/* ---------- backdrop: the sign-in colour mesh + drifting orbs ---------- */
body.signed-in {
  background:
    radial-gradient(1200px 700px at 10% 0%, color-mix(in srgb, var(--t1) 16%, transparent), transparent 60%),
    radial-gradient(900px 600px at 100% 100%, color-mix(in srgb, var(--t6) 14%, transparent), transparent 60%),
    radial-gradient(700px 500px at 80% 10%, color-mix(in srgb, var(--t2) 12%, transparent), transparent 60%),
    var(--bg);
  background-attachment: fixed;
}
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-orbs .orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .28; animation: drift 28s ease-in-out infinite; }
.bg-orbs .o1 { width: 420px; height: 420px; background: #22d3ee; left: -140px; bottom: -160px; }
.bg-orbs .o2 { width: 380px; height: 380px; background: #f472b6; right: -120px; top: -140px; animation-delay: -9s; }
.bg-orbs .o3 { width: 320px; height: 320px; background: #a78bfa; left: 45%; top: 40%; animation-delay: -18s; opacity: .18; }
@media (prefers-color-scheme: dark) { .bg-orbs .orb { opacity: .16; } .bg-orbs .o3 { opacity: .1; } }
body.signed-out:has(.auth-wrap) .bg-orbs { display: none; }        /* sign-in has its own art panel */

/* ---------- chrome: sidebar + top bar ---------- */
.side { background: var(--glass-bg); border-right: 1px solid var(--glass-line); box-shadow: var(--glass-hi); }
.brand { padding: 6px 10px 20px; font-weight: 800; letter-spacing: .04em; font-size: 17px; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; font-size: 15px;
  box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--accent) 70%, transparent); }
.side a { border-radius: var(--r-md); transition: background .15s var(--ease), color .15s var(--ease), transform .15s var(--ease); }
.side a:hover { background: color-mix(in srgb, var(--surface-3) 75%, transparent); transform: translateX(2px); }
.side a.on, .side a[aria-current="page"] {
  background: linear-gradient(90deg, color-mix(in srgb, var(--accent) 16%, transparent), color-mix(in srgb, var(--accent-2) 5%, transparent));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 18%, transparent);
}
.side a.on:hover, .side a[aria-current="page"]:hover { transform: none; }
.side .grp { padding-top: 18px; font-size: 10.5px; letter-spacing: .12em; }
.top { background: var(--glass-bg); box-shadow: var(--glass-hi), 0 1px 0 var(--glass-line); }
.top h1 { font-size: 21px; font-weight: 750; letter-spacing: -.02em; }
.hamburger { border-radius: var(--r-md); background: var(--glass-bg-strong); }
.user details.menu > summary { border: 1px solid transparent; transition: background .15s var(--ease), border-color .15s var(--ease); }
.user details.menu > summary:hover, .user details.menu[open] > summary { border-color: var(--glass-line); background: var(--glass-bg-strong); }
.avatar { box-shadow: 0 6px 14px -6px color-mix(in srgb, var(--accent) 70%, transparent); }
.foot { display: flex; justify-content: center; opacity: .85; }

/* ---------- glass surfaces ---------- */
.card, .kpi, .panel, .empty {
  background: var(--glass-bg); border: 1px solid var(--glass-line); border-radius: var(--r-xl);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-hi), var(--lift);
}
.card { padding: var(--s5); }
.card:hover { box-shadow: var(--glass-hi), var(--lift-hover); }
.card.flush > .card-head { padding: var(--s5) var(--s5) 0; }
.card h2 { font-size: 17px; font-weight: 750; letter-spacing: -.01em; }
.card .card { -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: var(--glass-hi); }   /* no glass on glass */
.card[class*="tone-"] { border-top: 1px solid var(--glass-line); position: relative; overflow: hidden; }
.card[class*="tone-"]::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--tone); }
.card.flush[class*="tone-"]::before { z-index: 2; }

/* glass surfaces are stacking contexts: lift the one whose menu is open above its neighbours */
.card:has(details.menu[open]), .kpi:has(details.menu[open]) { position: relative; z-index: 30; }

/* KPIs: tinted glass with the tone glow */
.kpi { border-radius: var(--r-lg); }
.kpi[class*="tone-"] {
  background: linear-gradient(160deg, color-mix(in srgb, var(--tone-soft) 85%, transparent) 0%, var(--glass-bg) 62%);
  border-color: color-mix(in srgb, var(--tone) 22%, var(--glass-line));
}
.kpi[class*="tone-"]::before { height: 3px; background: linear-gradient(90deg, var(--tone), color-mix(in srgb, var(--tone) 30%, transparent)); }
.kpi[class*="tone-"]::after { content: ""; position: absolute; width: 140px; height: 140px; right: -50px; top: -60px; border-radius: 50%;
  background: color-mix(in srgb, var(--tone) 14%, transparent); filter: blur(18px); pointer-events: none; }
.kpi[class*="tone-"]:hover { transform: translateY(-3px); box-shadow: var(--glass-hi), 0 22px 44px -22px color-mix(in srgb, var(--tone) 60%, transparent); }
.kpi .v { letter-spacing: -.03em; }
.mini-kpi, .stat-pair > div { background: color-mix(in srgb, var(--surface-2) 70%, transparent); border-color: var(--glass-line); border-radius: var(--r-md); }

/* ---------- gradient showcase panels (the sign-in art panel) ---------- */
.me-hero, .hero, .err-art {
  background: var(--art); color: #fff; border: 0; border-radius: var(--r-xl); isolation: isolate; position: relative; overflow: hidden;
  box-shadow: 0 30px 70px -32px color-mix(in srgb, var(--accent) 70%, transparent), var(--shadow-3);
}
.me-hero::before, .hero::before, .err-art::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .16;
  background-image: var(--dots); background-size: 22px 22px; }
.me-hero::after, .hero::after { content: ""; position: absolute; border-radius: 50%; width: 300px; height: 300px; right: -70px; top: -140px; z-index: -1; filter: blur(30px);
  background: rgba(244, 114, 182, .55); animation: drift 16s ease-in-out infinite; }
.me-hero .hero-stats div { padding: 10px 14px; border-radius: 14px; background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .26); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.me-hero h2 { font-size: 26px; font-weight: 800; letter-spacing: -.02em; }

/* ---------- buttons ---------- */
.btn, button.btn, a.btn { border-radius: var(--r-md); min-height: 38px; padding: 0 16px; font-weight: 650; }
.btn.sm { min-height: 32px; border-radius: var(--r-sm); }
.btn:not(.sec):not(.ghost):not(.danger) { box-shadow: 0 8px 20px -10px color-mix(in srgb, var(--accent) 75%, transparent), inset 0 1px 0 rgba(255, 255, 255, .22); }
.btn:not(.sec):not(.ghost):not(.danger):hover { transform: translateY(-1px); }
.btn:not(.sec):not(.ghost):not(.danger):active { transform: translateY(0); }
.btn.sec { background: var(--glass-bg-strong); border-color: var(--glass-line); box-shadow: var(--glass-hi), var(--shadow-1); }
.btn.sec:hover { background: var(--surface); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.btn:focus-visible { box-shadow: var(--ring); }
.btn.is-busy { position: relative; color: transparent !important; }
.btn.is-busy::after { content: ""; position: absolute; width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .55); border-top-color: #fff; animation: spin .7s linear infinite; }
.btn.sec.is-busy::after, .btn.ghost.is-busy::after { border-color: var(--border-strong); border-top-color: var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- forms ---------- */
.inp, .sel, textarea,
input[type="text"], input[type="password"], input[type="search"], input[type="number"], input[type="date"], input[type="email"], select {
  min-height: 40px; border-radius: var(--r-md); background-color: var(--glass-bg-strong); border-color: var(--glass-line);
  box-shadow: inset 0 1px 2px rgba(17, 24, 39, .04);
}
.inp:hover, .sel:hover, textarea:hover, input:hover, select:hover { border-color: var(--border-strong); }
.inp:focus, .sel:focus, textarea:focus, input:focus, select:focus { background-color: var(--surface); }
input:user-invalid, select:user-invalid, textarea:user-invalid { border-color: var(--bad); }
input:user-invalid:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--bad) 25%, transparent); }
.field > label, .field .lbl { font-size: 12.5px; letter-spacing: .01em; }
fieldset { border-color: var(--glass-line); border-radius: var(--r-lg); background: color-mix(in srgb, var(--surface-2) 45%, transparent); }
.tokens { border-radius: var(--r-md); background: var(--glass-bg-strong); border-color: var(--glass-line); }
.seg { border-radius: var(--r-md); background: color-mix(in srgb, var(--surface-3) 70%, transparent); border-color: var(--glass-line); }
.seg a.on { border-radius: var(--r-sm); }

/* ---------- tables ---------- */
.table-wrap { border-radius: var(--r-lg); border-color: var(--glass-line); background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); box-shadow: var(--glass-hi); }
.card .table-wrap { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
table.dt th, .card table th {
  background: color-mix(in srgb, var(--surface-2) 88%, transparent); color: var(--text-3);
  font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
table.kv th { text-transform: none; letter-spacing: 0; font-size: 13.5px; -webkit-backdrop-filter: none; backdrop-filter: none; background: none; }
table.dt td, .card table td { border-bottom-color: color-mix(in srgb, var(--border) 70%, transparent); }
table.dt tbody tr:hover td { background: color-mix(in srgb, var(--accent) 5%, transparent); }
table.dt tr.tot td { background: color-mix(in srgb, var(--accent) 6%, var(--surface-2)); }
.pager .page { border-radius: var(--r-md); background: var(--glass-bg-strong); border-color: var(--glass-line); }

/* ---------- chips, tabs, banners, empty ---------- */
.chip { padding: 3px 10px; }
.tabs { border-bottom-color: var(--glass-line); }
.tabs a.on, .tabs .tab.on, .tabs a[aria-current="page"] { border-image: var(--grad) 1; }
.flash-item, .banner, .warn-banner, .site-notice, .view-as-bar {
  border-radius: var(--r-lg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); box-shadow: var(--glass-hi), var(--shadow-1);
}
.flash-item { display: flex; align-items: center; gap: 10px; background: color-mix(in srgb, var(--info-soft) 85%, transparent);
  border-color: color-mix(in srgb, var(--info) 25%, transparent); animation: rise .35s var(--ease) both; }
.flash-item::before { content: "i"; flex: 0 0 22px; height: 22px; border-radius: 50%; display: grid; place-items: center;
  background: var(--info); color: #fff; font-weight: 800; font-size: 12px; font-style: italic; }
.empty { padding: var(--s6) var(--s5); border-style: dashed; border-color: color-mix(in srgb, var(--accent) 25%, var(--border-strong)); }
.empty::before { content: "◆"; display: grid; place-items: center; width: 52px; height: 52px; margin: 0 auto var(--s3); border-radius: 16px;
  font-size: 20px; color: #fff; background: var(--art); box-shadow: 0 14px 30px -14px color-mix(in srgb, var(--accent) 80%, transparent); }
td .empty { box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; background: transparent; }

/* ---------- menus, dialogs, toasts ---------- */
details.menu > .menu-list { border-radius: var(--r-lg); background: var(--glass-bg-strong); border-color: var(--glass-line);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); box-shadow: var(--glass-hi), var(--shadow-3);
  animation: pop-in .16s var(--ease); }
details.menu > .menu-list > a, details.menu > .menu-list > button { border-radius: var(--r-sm); }
dialog { border-radius: var(--r-xl); background: var(--glass-bg-strong); border-color: var(--glass-line);
  -webkit-backdrop-filter: blur(20px) saturate(170%); backdrop-filter: blur(20px) saturate(170%);
  box-shadow: var(--glass-hi), 0 40px 90px -30px color-mix(in srgb, var(--accent) 50%, transparent), var(--shadow-3); }
dialog[open] { animation: auth-in .22s var(--ease) both; }
dialog::backdrop { background: rgba(10, 14, 24, .38); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
dialog h3, dialog h2 { font-size: 19px; font-weight: 750; letter-spacing: -.01em; }
.toast { border-radius: var(--r-lg); background: var(--glass-bg-strong); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }

/* ---------- motion (same curve as the sign-in card) ---------- */
.content > * { animation: auth-in .45s var(--ease) both; }
@keyframes auth-in { from { opacity: 0; transform: translateY(10px) scale(.99); } to { opacity: 1; transform: none; } }
@keyframes drift { 0%, 100% { transform: translate(0, 0) scale(1); } 33% { transform: translate(30px, -20px) scale(1.08); }
  66% { transform: translate(-20px, 25px) scale(.95); } }

/* ---------- error / sign-out pages: the sign-in split card ---------- */
.err-wrap { display: grid; grid-template-columns: 1fr 1.2fr; border-radius: 24px; overflow: hidden; max-width: 860px; width: 100%; margin: var(--s5) auto;
  border: 1px solid var(--glass-line); box-shadow: 0 30px 80px -30px color-mix(in srgb, var(--accent) 45%, transparent), var(--shadow-3);
  animation: auth-in .5s var(--ease) both; }
.err-art { border-radius: 0; box-shadow: none; padding: 36px; display: flex; flex-direction: column; justify-content: space-between; gap: var(--s5); min-height: 300px; }
.err-art .code { font-size: 72px; font-weight: 800; letter-spacing: -.04em; line-height: 1; }
.err-art .auth-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .04em; }
.err-art .logo { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: rgba(255, 255, 255, .18); }
.err-card.card { margin: 0; border: 0; border-radius: 0; padding: 40px; display: flex; flex-direction: column; justify-content: center; box-shadow: none; }
.err-card h2 { font-size: 24px; letter-spacing: -.02em; margin: 0 0 var(--s2); }
.err-card .btn-row { margin-top: var(--s4); }
body.signed-out:has(.err-wrap) .main { width: min(900px, calc(100vw - 32px)); }
@media (max-width: 760px) {
  .err-wrap { grid-template-columns: 1fr; }
  .err-art { min-height: 0; padding: 24px; }
  .err-art .code { font-size: 48px; }
  .err-card.card { padding: 24px; }
}

/* ---------- small screens ---------- */
@media (max-width: 900px) {
  .side { background: var(--glass-bg-strong); -webkit-backdrop-filter: blur(22px) saturate(170%); backdrop-filter: blur(22px) saturate(170%); }
  .layout[data-nav-open="true"]::before { -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
}
@media (max-width: 640px) {
  .card { padding: var(--s4); border-radius: var(--r-lg); }
  .content { padding-left: var(--s4); padding-right: var(--s4); }
  .dt.stack tr { border-radius: var(--r-lg); background: var(--glass-bg); border-color: var(--glass-line); box-shadow: var(--glass-hi), var(--shadow-1); }
  .btn, button.btn, a.btn { min-height: 44px; }
  .btn.sm { min-height: 38px; }
  .bg-orbs .orb { filter: blur(50px); }
}

/* ---------- fallbacks & accessibility preferences ---------- */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  :root { --glass-bg: var(--surface); --glass-bg-strong: var(--surface); }
}
@media (prefers-reduced-transparency: reduce) {
  :root { --glass-bg: var(--surface); --glass-bg-strong: var(--surface); }
  .card, .kpi, .panel, .empty, .table-wrap, dialog, details.menu > .menu-list, .toast, .side, .top { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .bg-orbs { display: none; }
}
@media (prefers-contrast: more) {
  :root { --glass-bg: var(--surface); --glass-bg-strong: var(--surface); --glass-line: var(--border-strong); }
  .bg-orbs { display: none; }
  .muted, .s, small { color: var(--text-2); }
}
@media (forced-colors: active) {
  .card, .kpi, .table-wrap, dialog, .btn { border: 1px solid CanvasText; }
  .bg-orbs, .kpi::after, .empty::before { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bg-orbs .orb { animation: none; }
  @view-transition { navigation: none; }
}
@media print {
  .bg-orbs, .skip-link { display: none !important; }
  .card, .kpi, .table-wrap { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .me-hero, .hero { background: #fff; color: #000; box-shadow: none; }
}

/* tables: keep references and amounts on one line (scroll sideways instead of breaking "D-0003") */
table.dt td.n, table.dt th, table.dt td:first-child > a, table.dt td > a[href^="/deals/"] { white-space: nowrap; }