/* Dencom ISP design system — Glassmorphism (default) with an optional Clean theme per ISP.
   Standards: modern/clean/premium · gradient layered backgrounds · translucent frosted-glass cards ·
   subtle semi-transparent borders · soft depth shadows · rounded components · readable sans-serif ·
   one consistent 24px stroke icon set · rounded buttons with clear states · smooth, lightweight motion ·
   light & dark · responsive & mobile-first · WCAG 2.2 AA target.
   Shared by the website, captive portal, customer portal, staff dashboard and partner portals.
   Brand colours are injected per ISP as --brand / --accent. */

:root {
  --brand: #2563eb;
  --accent: #0ea5e9;

  /* base palette (light) */
  --bg: #eef2f8;
  --surface: #ffffff;
  --surface-2: #f3f5f9;
  --surface-3: #e8ecf3;
  --text: #0b1324;
  --text-2: #2c3a52;
  --muted: #526079;           /* ≥ 4.5:1 on white and on light glass */
  --ok: #067647;  --ok-bg: rgba(18, 183, 106, .14);
  --warn: #8a4b00; --warn-bg: rgba(247, 144, 9, .16);
  --err: #b42318;  --err-bg: rgba(240, 68, 56, .12);
  --brand-soft: color-mix(in srgb, var(--brand) 12%, transparent);
  --brand-ink: color-mix(in srgb, var(--brand) 82%, #000);
  --on-brand: #ffffff;

  /* glass */
  --glass-bg: rgba(255, 255, 255, .66);
  --glass-bg-strong: rgba(255, 255, 255, .82);
  --glass-border: rgba(255, 255, 255, .72);
  --glass-edge: rgba(15, 23, 42, .08);          /* hairline so cards stay defined on pale areas */
  --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .85);
  --blur: 18px;
  --input-bg: rgba(255, 255, 255, .78);
  --border: rgba(15, 23, 42, .09);
  --border-strong: rgba(15, 23, 42, .18);

  /* layered background */
  --bg-base: linear-gradient(160deg, #f5f7fb 0%, #e9eef7 45%, #eef1f8 100%);
  --blob-1: color-mix(in srgb, var(--brand) 34%, transparent);
  --blob-2: color-mix(in srgb, var(--accent) 30%, transparent);
  --blob-3: rgba(167, 139, 250, .22);

  /* depth */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 2px 8px -2px rgba(15, 23, 42, .06);
  --shadow: 0 2px 6px -1px rgba(15, 23, 42, .06), 0 12px 32px -12px rgba(15, 23, 42, .18);
  --shadow-lg: 0 24px 60px -20px rgba(15, 23, 42, .32);
  --shadow-brand: 0 8px 22px -8px color-mix(in srgb, var(--brand) 65%, transparent);

  --r-sm: 10px; --r: 14px; --r-lg: 20px; --r-pill: 999px;
  --font: "Inter", "Segoe UI Variable Text", "SF Pro Text", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --t: 180ms;
  --sidebar-w: 256px;
  /* charts: validated categorical slots (fixed order), status steps, chrome */
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a;
  --st-good: #0ca30c; --st-warning: #fab219; --st-serious: #ec835a; --st-critical: #d03b3b;
  --chart-grid: rgba(15, 23, 42, .08); --chart-gap: #f7f9fc;
  color-scheme: light;
}

/* ---------- dark theme ---------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #070b14; --surface: #111827; --surface-2: #161f31; --surface-3: #1e2840;
    --text: #eef2f8; --text-2: #cdd5e2; --muted: #9eabc0;
    --ok: #4ade80; --ok-bg: rgba(74, 222, 128, .14); --warn: #fbbf24; --warn-bg: rgba(251, 191, 36, .14);
    --err: #fb7185; --err-bg: rgba(251, 113, 133, .14);
    --brand-soft: color-mix(in srgb, var(--brand) 24%, transparent); --brand-ink: color-mix(in srgb, var(--brand) 50%, #fff);
    --glass-bg: rgba(17, 24, 39, .58); --glass-bg-strong: rgba(17, 24, 39, .8); --glass-border: rgba(255, 255, 255, .10);
    --glass-edge: rgba(255, 255, 255, .04); --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .06);
    --input-bg: rgba(9, 14, 26, .55); --border: rgba(255, 255, 255, .09); --border-strong: rgba(255, 255, 255, .18);
    --bg-base: linear-gradient(160deg, #060a13 0%, #0a1020 50%, #070b14 100%);
    --blob-1: color-mix(in srgb, var(--brand) 32%, transparent); --blob-2: color-mix(in srgb, var(--accent) 22%, transparent);
    --blob-3: rgba(139, 92, 246, .18);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow: 0 2px 6px -1px rgba(0, 0, 0, .4), 0 16px 40px -16px rgba(0, 0, 0, .7);
    --shadow-lg: 0 28px 70px -24px rgba(0, 0, 0, .8);
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --chart-grid: rgba(255, 255, 255, .08); --chart-gap: #141c2c;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #070b14; --surface: #111827; --surface-2: #161f31; --surface-3: #1e2840;
  --text: #eef2f8; --text-2: #cdd5e2; --muted: #9eabc0;
  --ok: #4ade80; --ok-bg: rgba(74, 222, 128, .14); --warn: #fbbf24; --warn-bg: rgba(251, 191, 36, .14);
  --err: #fb7185; --err-bg: rgba(251, 113, 133, .14);
  --brand-soft: color-mix(in srgb, var(--brand) 24%, transparent); --brand-ink: color-mix(in srgb, var(--brand) 50%, #fff);
  --glass-bg: rgba(17, 24, 39, .58); --glass-bg-strong: rgba(17, 24, 39, .8); --glass-border: rgba(255, 255, 255, .10);
  --glass-edge: rgba(255, 255, 255, .04); --glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .06);
  --input-bg: rgba(9, 14, 26, .55); --border: rgba(255, 255, 255, .09); --border-strong: rgba(255, 255, 255, .18);
  --bg-base: linear-gradient(160deg, #060a13 0%, #0a1020 50%, #070b14 100%);
  --blob-1: color-mix(in srgb, var(--brand) 32%, transparent); --blob-2: color-mix(in srgb, var(--accent) 22%, transparent);
  --blob-3: rgba(139, 92, 246, .18);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4); --shadow: 0 2px 6px -1px rgba(0, 0, 0, .4), 0 16px 40px -16px rgba(0, 0, 0, .7);
  --shadow-lg: 0 28px 70px -24px rgba(0, 0, 0, .8);
  --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --chart-grid: rgba(255, 255, 255, .08); --chart-gap: #141c2c;
  color-scheme: dark;
}

/* ---------- optional Clean theme (per-ISP setting) & transparency fallbacks ---------- */
:root[data-style="clean"] {
  --glass-bg: var(--surface); --glass-bg-strong: var(--surface); --glass-border: var(--border); --glass-edge: transparent;
  --glass-highlight: 0 0 #0000; --blur: 0px; --input-bg: var(--surface); --bg-base: var(--bg);
  --blob-1: transparent; --blob-2: transparent; --blob-3: transparent;
}
@media (prefers-reduced-transparency: reduce) {
  :root { --glass-bg: var(--surface); --glass-bg-strong: var(--surface); --blur: 0px; --input-bg: var(--surface); }
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root { --glass-bg: var(--glass-bg-strong); }
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font: 15px/1.6 var(--font);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; position: relative; isolation: isolate; }
/* Layered gradient background: base gradient + soft brand-tinted light blobs, fixed behind content. */
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(42rem 32rem at 8% -6%, var(--blob-1), transparent 62%),
    radial-gradient(36rem 30rem at 102% 8%, var(--blob-2), transparent 60%),
    radial-gradient(40rem 34rem at 60% 110%, var(--blob-3), transparent 62%),
    var(--bg-base); }
a { color: var(--brand-ink); text-underline-offset: 3px; text-decoration-thickness: 1px; transition: color var(--t) var(--ease); }
a:hover { text-decoration-thickness: 2px; }
img, svg, video { max-width: 100%; }
h1, h2, h3, h4 { margin: 0 0 .4em; line-height: 1.22; letter-spacing: -0.02em; color: var(--text); }
h1 { font-size: clamp(1.55rem, 2.6vw, 2rem); font-weight: 700; }
h2 { font-size: 1.12rem; font-weight: 650; }
h3 { font-size: 1rem; font-weight: 650; }
p { margin: 0 0 .75em; }
code { font-family: var(--mono); font-size: .88em; background: var(--brand-soft); padding: 1px 7px; border-radius: 7px; }
hr { border: 0; border-top: 1px solid var(--border); margin: 20px 0; }
::selection { background: color-mix(in srgb, var(--brand) 30%, transparent); }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 60%, transparent); outline-offset: 2px; border-radius: 8px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--surface); padding: 10px 14px; border-radius: var(--r-sm); box-shadow: var(--shadow-lg); }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.icon { width: 18px; height: 18px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- layout (mobile-first) ---------- */
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 480px; }
.stack > * + * { margin-top: 16px; }
.stack-sm > * + * { margin-top: 8px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
.grow { flex: 1 1 auto; }
.grid, .grid-2, .grid-3 { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); } }
@media (min-width: 760px) {
  .grid-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
  .grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
  .wrap { padding: 0 24px; }
}
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.mt { margin-top: 24px; }
.section { padding: 40px 0; }
@media (min-width: 760px) { .section { padding: 56px 0; } }

/* ---------- glass surfaces ---------- */
.card, .glass {
  position: relative; background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--r-lg);
  box-shadow: var(--glass-highlight), 0 0 0 1px var(--glass-edge), var(--shadow);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(170%); backdrop-filter: blur(var(--blur)) saturate(170%);
}
.card, .glass.card { padding: 20px; }
@media (min-width: 760px) { .card, .glass.card { padding: 24px; } }
.card-header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 22px; border-bottom: 1px solid var(--border); }
.card-header h2 { margin: 0; font-size: 1rem; }
.card-body { padding: 20px 22px; }
.card.flush { padding: 0; overflow: hidden; }
.divider-list > * + * { border-top: 1px solid var(--border); }

/* ---------- motion (smooth & lightweight; disabled for reduced-motion users) ---------- */
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
main .card, main .glass { animation: rise .42s var(--ease) both; }
main .grid > :nth-child(2), main .grid-2 > :nth-child(2), main .grid-3 > :nth-child(2) { animation-delay: 50ms; }
main .grid > :nth-child(3), main .grid-2 > :nth-child(3), main .grid-3 > :nth-child(3) { animation-delay: 100ms; }
main .grid > :nth-child(n+4), main .grid-3 > :nth-child(n+4) { animation-delay: 150ms; }
.messages li { animation: fade .3s var(--ease) both; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- site header (website) ---------- */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--glass-bg-strong); border-bottom: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(170%); backdrop-filter: blur(var(--blur)) saturate(170%); box-shadow: 0 1px 0 var(--glass-edge); }
.site-header .wrap { display: flex; align-items: center; gap: 12px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.05rem; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.brand img { height: 32px; width: auto; }
.brand-mark { width: 34px; height: 34px; border-radius: 11px; color: var(--on-brand); display: grid; place-items: center; font-weight: 800;
  background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand) 55%, var(--accent))); box-shadow: var(--shadow-brand); }
.nav { display: none; width: 100%; flex-direction: column; align-items: stretch; gap: 2px; padding-bottom: 12px; }
.nav.open { display: flex; animation: fade .2s var(--ease); }
.nav a:not(.btn) { color: var(--text-2); text-decoration: none; padding: 10px 12px; border-radius: var(--r-sm); font-weight: 500;
  transition: background var(--t) var(--ease), color var(--t) var(--ease); }
.nav a:not(.btn):hover, .nav a[aria-current="page"] { background: var(--brand-soft); color: var(--text); }
.btn.menu-toggle { display: inline-flex; margin-left: auto; }
@media (min-width: 860px) {
  .nav { display: flex; width: auto; flex-direction: row; align-items: center; margin-left: auto; padding: 0; }
  .btn.menu-toggle { display: none; }
}
.site-footer { margin-top: 64px; border-top: 1px solid var(--glass-border); background: var(--glass-bg); padding: 28px 0; color: var(--muted); font-size: .9rem;
  -webkit-backdrop-filter: blur(var(--blur)); backdrop-filter: blur(var(--blur)); }
.site-footer a { color: var(--text-2); }

/* ---------- buttons (rounded, clear hover/active/focus/disabled states) ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 18px;
  border-radius: 12px; border: 1px solid transparent; font: inherit; font-weight: 600; font-size: .95rem; cursor: pointer;
  text-decoration: none; white-space: nowrap; color: var(--on-brand); position: relative;
  background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand) 70%, var(--accent)));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), var(--shadow-brand);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), filter var(--t) var(--ease), background-color var(--t) var(--ease); }
.btn:hover { filter: brightness(1.06) saturate(1.05); transform: translateY(-1px); text-decoration: none;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), 0 12px 26px -10px color-mix(in srgb, var(--brand) 70%, transparent); }
.btn:active { transform: translateY(0) scale(.98); filter: brightness(.97); }
.btn:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 3px; }
.btn.secondary { color: var(--text); background: var(--input-bg); border-color: var(--border-strong); box-shadow: var(--glass-highlight), var(--shadow-sm);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.btn.secondary:hover { background: var(--glass-bg-strong); border-color: color-mix(in srgb, var(--brand) 45%, var(--border-strong)); filter: none; }
.btn.ghost { color: var(--brand-ink); background: transparent; box-shadow: none; }
.btn.ghost:hover { background: var(--brand-soft); filter: none; }
.btn.danger { background: linear-gradient(135deg, #e5484d, #c2272d); box-shadow: 0 8px 20px -10px rgba(220, 38, 38, .7); }
.btn.sm { min-height: 36px; padding: 6px 12px; font-size: .85rem; border-radius: 10px; }
.btn.lg { min-height: 52px; padding: 12px 24px; font-size: 1rem; border-radius: 14px; }
.btn.block { width: 100%; }
.btn[disabled], .btn[aria-disabled="true"] { opacity: .55; cursor: not-allowed; transform: none; filter: grayscale(.2); }
.icon-btn { width: 44px; padding: 0; }
.site-header .icon-btn, .topbar .icon-btn { width: 40px; min-height: 40px; }

/* ---------- forms ---------- */
label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--text-2); }
input[type=text], input[type=tel], input[type=email], input[type=password], input[type=number], input[type=date], input[type=search],
input[type=datetime-local], input[type=url], input:not([type]), select, textarea {
  width: 100%; min-height: 44px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--border-strong);
  background: var(--input-bg); color: var(--text); font: inherit;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease); }
input::placeholder, textarea::placeholder { color: var(--muted); opacity: .85; }
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--brand) 35%, var(--border-strong)); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); background: var(--glass-bg-strong); box-shadow: 0 0 0 4px var(--brand-soft); }
input[type=checkbox], input[type=radio] { width: 18px; height: 18px; accent-color: var(--brand); }
select { line-height: 1.45; height: auto; min-height: 44px; padding-right: 36px; text-overflow: ellipsis; }
select[multiple], select[size] { min-height: 120px; padding: 6px; }
/* OS-drawn option lists need a solid background (the glass input background is translucent). */
select option, select optgroup { background-color: var(--surface); color: var(--text); }
form > div, .field { margin-bottom: 14px; }
.helptext, .field .help { display: block; font-size: .82rem; color: var(--muted); margin-top: 4px; }
.errorlist { list-style: none; color: var(--err); margin: 4px 0; padding: 0; font-size: .85rem; font-weight: 500; }
.errorlist.nonfield { background: var(--err-bg); border: 1px solid color-mix(in srgb, var(--err) 30%, transparent); padding: 10px 12px; border-radius: var(--r-sm); }
form div:has(> input[type=checkbox]) { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; }
form div:has(> input[type=checkbox]) label { order: 2; font-weight: 500; margin: 0; }

/* ---------- feedback ---------- */
.messages { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 8px; }
.messages li, .alert { padding: 12px 16px; border-radius: var(--r); border: 1px solid var(--glass-border); background: var(--glass-bg-strong);
  font-weight: 500; box-shadow: var(--shadow-sm); -webkit-backdrop-filter: blur(var(--blur)); backdrop-filter: blur(var(--blur)); }
.messages .success { border-left: 4px solid var(--ok); }
.messages .error, .alert.err { border-left: 4px solid var(--err); }
.messages .warning, .alert.warn { border-left: 4px solid var(--warn); }
.messages .info, .alert.info { border-left: 4px solid var(--brand); }
.alert.err { color: var(--text); } .alert.warn { color: var(--text); }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: var(--r-pill); font-size: .76rem; font-weight: 650;
  background: var(--surface-3); color: var(--text-2); white-space: nowrap; border: 1px solid var(--border); }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.ok, .badge.active, .badge.success, .badge.paid, .badge.online, .badge.delivered, .badge.redeemed { background: var(--ok-bg); color: var(--ok); }
.badge.warn, .badge.pending, .badge.grace, .badge.open, .badge.partially_paid, .badge.processing, .badge.scheduled { background: var(--warn-bg); color: var(--warn); }
.badge.err, .badge.failed, .badge.suspended, .badge.overdue, .badge.expired, .badge.cancelled, .badge.timeout, .badge.offline, .badge.terminated { background: var(--err-bg); color: var(--err); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; vertical-align: middle; }
thead th { position: sticky; top: 0; background: color-mix(in srgb, var(--surface-2) 70%, transparent); font-size: .74rem; font-weight: 650;
  text-transform: uppercase; letter-spacing: .05em; color: var(--muted); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
tbody tr { transition: background var(--t) var(--ease); }
tbody tr:hover { background: var(--brand-soft); }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { padding: 32px 16px; text-align: center; color: var(--muted); }

/* ---------- KPI cards ---------- */
.kpi { padding: 18px 20px; display: flex; flex-direction: column; gap: 6px; overflow: hidden; }
.kpi::after { content: ""; position: absolute; inset: auto -30% -60% auto; width: 160px; height: 160px; border-radius: 50%;
  background: radial-gradient(closest-side, var(--brand-soft), transparent); pointer-events: none; }
.kpi .label { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .82rem; font-weight: 550; }
.kpi .label .icon { color: var(--brand-ink); width: 30px; height: 30px; padding: 6px; border-radius: 10px; background: var(--brand-soft); }
.kpi .value { font-size: 1.6rem; font-weight: 750; letter-spacing: -0.025em; font-variant-numeric: tabular-nums; }
.kpi .value small { font-size: .8rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.kpi .delta { font-size: .8rem; color: var(--muted); }

/* ---------- app shell (staff, customers, advertisers, resellers) ---------- */
.shell { display: grid; grid-template-columns: 1fr; min-height: 100vh; }
.sidebar { position: fixed; inset: 10px auto 10px 10px; width: min(84vw, 300px); z-index: 50; transform: translateX(-110%);
  transition: transform .26s var(--ease); overflow-y: auto; display: flex; flex-direction: column; padding: 16px 12px; gap: 2px;
  background: var(--glass-bg-strong); border: 1px solid var(--glass-border); border-radius: var(--r-lg); box-shadow: var(--shadow-lg);
  -webkit-backdrop-filter: blur(24px) saturate(170%); backdrop-filter: blur(24px) saturate(170%); }
.sidebar.open { transform: none; }
.sidebar .brand { padding: 6px 8px 14px; }
.sidebar .group { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); padding: 14px 10px 6px; font-weight: 650; }
.sidebar a.item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 11px; color: var(--text-2);
  text-decoration: none; font-weight: 500; font-size: .92rem; transition: background var(--t) var(--ease), color var(--t) var(--ease), transform var(--t) var(--ease); }
.sidebar a.item:hover { background: var(--brand-soft); color: var(--text); transform: translateX(2px); }
.sidebar a.item[aria-current="page"] { color: var(--on-brand); box-shadow: var(--shadow-brand);
  background: linear-gradient(135deg, var(--brand), color-mix(in srgb, var(--brand) 70%, var(--accent))); }
.sidebar .spacer { flex: 1; }
.sidebar .account { border-top: 1px solid var(--border); padding-top: 12px; margin-top: 8px; font-size: .85rem; color: var(--muted); }
.scrim { display: none; }
.sidebar.open + .scrim { display: block; position: fixed; inset: 0; background: rgba(7, 11, 20, .35); z-index: 40;
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); animation: fade .2s var(--ease); }
.topbar { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px; min-height: 60px; padding: 0 16px;
  background: var(--glass-bg); border-bottom: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(170%); backdrop-filter: blur(var(--blur)) saturate(170%); }
.topbar .title { font-weight: 650; }
.content { padding: 16px; max-width: 1300px; width: 100%; }
.shell-toggle { display: inline-flex; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head p { margin: 0; color: var(--muted); }
@media (min-width: 1000px) {
  .shell { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .sidebar { position: sticky; top: 12px; inset: auto; margin: 12px 0 12px 12px; height: calc(100vh - 24px); width: auto; transform: none; box-shadow: var(--shadow); }
  .sidebar.open + .scrim { display: none; }
  .shell-toggle { display: none; }
  .topbar { padding: 0 28px; margin: 12px 12px 0; border: 1px solid var(--glass-border); border-radius: var(--r-lg); top: 12px; box-shadow: var(--shadow-sm); }
  .content { padding: 24px 28px; }
}

/* ---------- marketing ---------- */
.hero { padding: 44px 0 28px; }
@media (min-width: 760px) { .hero { padding: 72px 0 44px; } }
.hero h1 { font-size: clamp(2.1rem, 5.4vw, 3.4rem); line-height: 1.06; letter-spacing: -0.035em; max-width: 16ch; }
.hero h1 .grad, .grad { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 1.12rem; color: var(--muted); max-width: 52ch; }
.hero-card { position: relative; overflow: hidden; border-radius: var(--r-lg); color: #fff; padding: 28px;
  background: linear-gradient(140deg, var(--brand), color-mix(in srgb, var(--brand) 50%, var(--accent)));
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, .25); border: 1px solid rgba(255, 255, 255, .25); }
.hero-card::before { content: ""; position: absolute; width: 280px; height: 280px; right: -90px; top: -110px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, .35), transparent); }
.hero-card > * { position: relative; }
.hero-card h2, .hero-card p, .hero-card strong { color: #fff; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .74rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
  color: var(--brand-ink); background: var(--brand-soft); padding: 4px 12px; border-radius: var(--r-pill); border: 1px solid color-mix(in srgb, var(--brand) 20%, transparent); }
.feature { display: flex; gap: 12px; align-items: flex-start; }
.feature .icon-wrap { width: 42px; height: 42px; border-radius: 13px; background: var(--brand-soft); color: var(--brand-ink); display: grid; place-items: center; flex: none;
  border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent); }
.card.feature { transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease); }
.card.feature:hover { transform: translateY(-2px); box-shadow: var(--glass-highlight), var(--shadow-lg); }
details.faq { border-bottom: 1px solid var(--border); padding: 14px 0; }
details.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--muted); font-size: 1.2rem; line-height: 1; transition: transform var(--t) var(--ease); }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { margin: 8px 0 0; color: var(--text-2); animation: fade .25s var(--ease); }

/* ---------- package cards ---------- */
.pkg { display: flex; flex-direction: column; gap: 10px; padding: 22px; transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), border-color var(--t) var(--ease); }
.pkg:hover { transform: translateY(-3px); box-shadow: var(--glass-highlight), var(--shadow-lg); }
.pkg.featured { border-color: color-mix(in srgb, var(--brand) 55%, transparent); box-shadow: var(--glass-highlight), 0 0 0 1px color-mix(in srgb, var(--brand) 45%, transparent), var(--shadow-lg); }
.pkg .ribbon { position: absolute; top: -11px; left: 20px; color: #fff; font-size: .72rem; font-weight: 700; padding: 3px 11px; border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--brand), var(--accent)); box-shadow: var(--shadow-brand); letter-spacing: .02em; }
.pkg .name { font-weight: 650; color: var(--text-2); }
.pkg .price { font-size: 1.95rem; font-weight: 780; letter-spacing: -0.035em; line-height: 1.1; }
.pkg .price small { font-size: .85rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.pkg .strike { text-decoration: line-through; color: var(--muted); font-size: .95rem; font-weight: 500; margin-left: 6px; }
.pkg ul { list-style: none; padding: 0; margin: 4px 0 6px; display: grid; gap: 7px; color: var(--text-2); font-size: .9rem; }
.pkg li { display: flex; gap: 8px; align-items: center; }
.pkg li .icon { width: 16px; height: 16px; color: var(--ok); }
.pkg .btn { margin-top: auto; }

/* ---------- captive portal ---------- */
.portal-band { position: relative; overflow: hidden; color: #fff; padding: 26px 0 86px;
  background: linear-gradient(140deg, var(--brand), color-mix(in srgb, var(--brand) 45%, var(--accent))); }
.portal-band::before, .portal-band::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.portal-band::before { width: 340px; height: 340px; right: -120px; top: -160px; background: radial-gradient(closest-side, rgba(255, 255, 255, .32), transparent); }
.portal-band::after { width: 260px; height: 260px; left: -100px; bottom: -150px; background: radial-gradient(closest-side, rgba(255, 255, 255, .18), transparent); }
.portal-band > * { position: relative; }
.portal-band .brand, .portal-band h1, .portal-band p { color: #fff; }
.portal-band .brand-mark { background: rgba(255, 255, 255, .95); color: var(--brand); box-shadow: none; }
.portal-band .btn.secondary { background: rgba(255, 255, 255, .16); color: #fff; border-color: rgba(255, 255, 255, .4); }
.portal-main { margin-top: -64px; }
.choice-list { display: grid; gap: 10px; }
.choice { display: flex; align-items: center; gap: 14px; width: 100%; min-height: 64px; padding: 14px 16px; border: 1px solid var(--border-strong);
  border-radius: var(--r); background: var(--input-bg); color: var(--text); font: inherit; text-align: left; cursor: pointer;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), transform var(--t) var(--ease), background var(--t) var(--ease); }
.choice:hover { border-color: color-mix(in srgb, var(--brand) 55%, transparent); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.choice:active { transform: scale(.99); }
.choice[aria-pressed="true"] { border-color: var(--brand); background: var(--glass-bg-strong); box-shadow: 0 0 0 4px var(--brand-soft), var(--shadow-sm); }
.choice[aria-pressed="true"] .amount { color: var(--brand-ink); }
.choice .meta { flex: 1; min-width: 0; }
.choice .meta strong { display: block; }
.choice .meta span { color: var(--muted); font-size: .85rem; }
.choice .amount { font-weight: 780; font-size: 1.1rem; white-space: nowrap; transition: color var(--t) var(--ease); }
.paybar { position: sticky; bottom: 0; margin: 14px -20px -20px; padding: 16px 20px 18px; border-top: 1px solid var(--border);
  background: var(--glass-bg-strong); border-radius: 0 0 var(--r-lg) var(--r-lg); animation: rise .3s var(--ease);
  -webkit-backdrop-filter: blur(var(--blur)); backdrop-filter: blur(var(--blur)); }
@media (min-width: 760px) { .paybar { margin: 14px -24px -24px; padding: 16px 24px 20px; } }

.tabs { display: flex; gap: 4px; padding: 4px; background: color-mix(in srgb, var(--surface-3) 70%, transparent); border-radius: 12px; margin-bottom: 16px;
  border: 1px solid var(--border); }
.tabs button { flex: 1 1 0; min-height: 40px; border: 0; border-radius: 9px; background: transparent; color: var(--muted);
  font: inherit; font-weight: 600; font-size: .88rem; cursor: pointer; padding: 6px 8px; transition: background var(--t) var(--ease), color var(--t) var(--ease), box-shadow var(--t) var(--ease); }
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] { background: var(--glass-bg-strong); color: var(--text); box-shadow: var(--shadow-sm), var(--glass-highlight); }
[role="tabpanel"]:not([hidden]) { animation: fade .25s var(--ease); }

.ad { padding: 18px; border-left: 3px solid var(--accent); }
.ad .tag { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 650; }
.spinner { width: 46px; height: 46px; border-radius: 50%; border: 4px solid var(--brand-soft); border-top-color: var(--brand);
  animation: spin .9s linear infinite; margin: 16px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: spin 2.4s linear infinite !important; } }

.bar { height: 8px; border-radius: var(--r-pill); background: var(--surface-3); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--brand), var(--accent)); transition: width .6s var(--ease); }
.chart { width: 100%; height: 180px; display: block; }
.chart-box { position: relative; height: 260px; }
.chart-box.short { height: 200px; }
.chart-card .card-body { padding: 16px 20px 18px; }
.chart-card .sub { font-size: .8rem; color: var(--muted); font-weight: 500; }
.chart-card details { margin-top: 10px; font-size: .85rem; }
.chart-card details summary { cursor: pointer; color: var(--muted); font-weight: 600; }
.chart-card details .table-wrap { max-height: 260px; overflow: auto; margin-top: 8px; border-radius: 10px; border: 1px solid var(--border); }
.chart-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 1100px) { .chart-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); } .span-8 { grid-column: span 8; } .span-4 { grid-column: span 4; } .span-6 { grid-column: span 6; } }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--muted); }
.dot.ok { background: var(--ok); } .dot.err { background: var(--err); }
.auth-wrap { min-height: calc(100vh - 150px); display: grid; place-items: center; padding: 32px 0; }
.auth-card { width: 100%; max-width: 440px; padding: 28px; }
@media (min-width: 760px) { .auth-card { padding: 34px; } }
.pager { margin-top: 12px; }

/* Windows high contrast / forced colours: keep boundaries visible. */
@media (forced-colors: active) {
  .card, .glass, .btn, .choice, .sidebar, .topbar, .site-header { border: 1px solid CanvasText; }
  .sidebar a.item[aria-current="page"] { outline: 2px solid Highlight; }
}

@media print {
  body { background: #fff; color: #000; } body::before { display: none; }
  .no-print, .site-header, .site-footer, .sidebar, .topbar { display: none !important; }
  .shell { display: block; }
  .card, .glass { box-shadow: none; border-color: #ddd; background: #fff; backdrop-filter: none; animation: none; }
}