/* Glass dashboard: shared tokens and components for every portal. Pages never restyle these. */
:root {
  --bg: #0b1120;
  --bg-glow-1: rgba(124, 58, 237, 0.45);
  --bg-glow-2: rgba(37, 99, 235, 0.40);
  --panel: rgba(15, 23, 42, 0.58);
  --panel-solid: #121a2e;
  --panel-border: rgba(255, 255, 255, 0.14);
  --field: rgba(255, 255, 255, 0.07);
  --field-border: rgba(255, 255, 255, 0.22);
  --text: #f1f5f9;
  --muted: #cbd5e1;
  --faint: #94a3b8;
  --link: #a5b4fc;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --ok: #86efac;
  --warn: #fcd34d;
  --danger: #fca5a5;
  --blur: 16px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  --space: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  /* Charts (assets/js/charts.js): categorical slots in fixed order, validated for colour-blind separation and >= 3:1
     against the panel surface (#121a2e). Add slot 3+ only from the same validated palette, in order. */
  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70; /* slots 1-3 validated together on #121a2e (dark): CVD ΔE 9.4, normal 26.5, all >= 3:1 */
  /* Status (good / warning / serious / critical): reserved for state, always with an icon and a label. */
  --status-good: #0ca30c;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #d03b3b;
  --chart-surface: #121a2e;
  --chart-grid: rgba(255, 255, 255, 0.10);
  --chart-axis: rgba(255, 255, 255, 0.24);
  /* Tints over the glass: hover, a faint fill, a sunken well, the selected item, code, overlays and soft alerts. */
  --hover: rgba(255, 255, 255, 0.12);
  --tint: rgba(255, 255, 255, 0.04);
  --sunken: rgba(0, 0, 0, 0.25);
  --code-bg: rgba(0, 0, 0, 0.35);
  --code-inline: rgba(255, 255, 255, 0.09);
  --selected: rgba(79, 70, 229, 0.35);
  --selected-ring: #a5b4fc;
  --hero: rgba(79, 70, 229, 0.28);
  --spark-ink: rgba(203, 213, 225, 0.75);
  --badge-bg: #c7d2fe;
  --badge-text: #0b1120;
  --overlay: rgba(15, 23, 42, 0.94);
  --scrim: rgba(2, 6, 23, 0.6);
  --accent-soft: rgba(99, 102, 241, 0.16);
  --accent-line: rgba(165, 180, 252, 0.45);
  --ok-soft: rgba(34, 197, 94, 0.14);
  --ok-line: rgba(134, 239, 172, 0.45);
  --warn-soft: rgba(245, 158, 11, 0.16);
  --warn-line: rgba(252, 211, 77, 0.5);
  --danger-soft: rgba(239, 68, 68, 0.16);
  --danger-line: rgba(252, 165, 165, 0.5);
  color-scheme: dark;
}

/*
 * Light theme. Only a page whose <html> carries data-theme can switch (the ISP Head shell: hd-theme.js and the
 * POST /theme fallback); "system" follows the device. Every other page keeps the dark tokens above. The two blocks
 * hold the same values: one for a chosen light theme, one for "match my device" on a device set to light.
 * Text: --text 15.4:1, --muted 9.4:1, --faint 5.6:1, --link 7.0:1 on the light panel. Chart slots 1-3 are the
 * palette's light steps, validated together on #ffffff (CVD ΔE 9.2, normal 27.6; slot 3 is 2.8:1, so every chart
 * keeps its table). Status colours are never themed.
 */
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2f8; --bg-glow-1: rgba(124, 58, 237, 0.16); --bg-glow-2: rgba(37, 99, 235, 0.14);
  --panel: rgba(255, 255, 255, 0.66); --panel-solid: #ffffff; --panel-border: rgba(15, 23, 42, 0.10);
  --field: rgba(255, 255, 255, 0.78); --field-border: rgba(15, 23, 42, 0.20);
  --text: #0f172a; --muted: #334155; --faint: #556274; --link: #4338ca;
  --ok: #15803d; --warn: #a16207; --danger: #b91c1c;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.10);
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a;
  --chart-surface: #ffffff; --chart-grid: rgba(15, 23, 42, 0.08); --chart-axis: rgba(15, 23, 42, 0.22);
  --hover: rgba(15, 23, 42, 0.06); --tint: rgba(255, 255, 255, 0.55); --sunken: rgba(15, 23, 42, 0.05);
  --code-bg: rgba(15, 23, 42, 0.05); --code-inline: rgba(15, 23, 42, 0.07);
  --selected: rgba(79, 70, 229, 0.12); --selected-ring: #4f46e5; --hero: rgba(79, 70, 229, 0.12); --spark-ink: rgba(51, 65, 85, 0.7);
  --badge-bg: #4f46e5; --badge-text: #ffffff; --overlay: rgba(255, 255, 255, 0.96); --scrim: rgba(15, 23, 42, 0.35);
  --accent-soft: rgba(79, 70, 229, 0.08); --accent-line: rgba(79, 70, 229, 0.30);
  --ok-soft: rgba(22, 163, 74, 0.10); --ok-line: rgba(22, 163, 74, 0.35);
  --warn-soft: rgba(217, 119, 6, 0.10); --warn-line: rgba(217, 119, 6, 0.40);
  --danger-soft: rgba(220, 38, 38, 0.08); --danger-line: rgba(220, 38, 38, 0.35);
}
@media (prefers-color-scheme: light) {
  :root[data-theme="system"] {
    color-scheme: light;
    --bg: #eef2f8; --bg-glow-1: rgba(124, 58, 237, 0.16); --bg-glow-2: rgba(37, 99, 235, 0.14);
    --panel: rgba(255, 255, 255, 0.66); --panel-solid: #ffffff; --panel-border: rgba(15, 23, 42, 0.10);
    --field: rgba(255, 255, 255, 0.78); --field-border: rgba(15, 23, 42, 0.20);
    --text: #0f172a; --muted: #334155; --faint: #556274; --link: #4338ca;
    --ok: #15803d; --warn: #a16207; --danger: #b91c1c;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.10);
    --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a;
    --chart-surface: #ffffff; --chart-grid: rgba(15, 23, 42, 0.08); --chart-axis: rgba(15, 23, 42, 0.22);
    --hover: rgba(15, 23, 42, 0.06); --tint: rgba(255, 255, 255, 0.55); --sunken: rgba(15, 23, 42, 0.05);
    --code-bg: rgba(15, 23, 42, 0.05); --code-inline: rgba(15, 23, 42, 0.07);
    --selected: rgba(79, 70, 229, 0.12); --selected-ring: #4f46e5; --hero: rgba(79, 70, 229, 0.12); --spark-ink: rgba(51, 65, 85, 0.7);
    --badge-bg: #4f46e5; --badge-text: #ffffff; --overlay: rgba(255, 255, 255, 0.96); --scrim: rgba(15, 23, 42, 0.35);
    --accent-soft: rgba(79, 70, 229, 0.08); --accent-line: rgba(79, 70, 229, 0.30);
    --ok-soft: rgba(22, 163, 74, 0.10); --ok-line: rgba(22, 163, 74, 0.35);
    --warn-soft: rgba(217, 119, 6, 0.10); --warn-line: rgba(217, 119, 6, 0.40);
    --danger-soft: rgba(220, 38, 38, 0.08); --danger-line: rgba(220, 38, 38, 0.35);
  }
}
/* A short cross-fade while the theme changes (hd-theme.js adds the class for 300 ms). */
:root.theming body, :root.theming .glass, :root.theming .btn, :root.theming .field input, :root.theming .field select, :root.theming .field textarea {
  transition: background-color .3s ease, color .3s ease, border-color .3s ease;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body.backdrop {
  margin: 0;
  min-height: 100vh;
  font: 15px/1.55 var(--font);
  color: var(--text);
  background:
    radial-gradient(40rem 30rem at 10% 0%, var(--bg-glow-1), transparent 70%),
    radial-gradient(40rem 30rem at 95% 100%, var(--bg-glow-2), transparent 70%),
    var(--bg);
  background-attachment: fixed;
}
a { color: var(--link); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 calc(var(--space) * .75); }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; }
p { margin: 0 0 var(--space); }
:focus-visible { outline: 3px solid var(--link); outline-offset: 2px; }

.glass {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  backdrop-filter: blur(var(--blur)) saturate(140%);
}

/* Sign-in, signup and error pages */
.auth { min-height: 100vh; display: grid; place-content: center; gap: var(--space); padding: calc(var(--space) * 2) var(--space); }
.auth-brand { font-weight: 700; letter-spacing: .02em; text-align: center; color: var(--muted); }
.auth-card { width: min(440px, calc(100vw - 2 * var(--space))); padding: calc(var(--space) * 2); }
.auth-card.wide { width: min(760px, calc(100vw - 2 * var(--space))); }

/* Portal shell: sidebar, topbar, content */
.shell { display: grid; grid-template-columns: 240px 1fr; gap: var(--space); min-height: 100vh; padding: var(--space); }
.sidebar { padding: var(--space); display: flex; flex-direction: column; gap: var(--space); }
.sidebar .brand { font-weight: 700; padding: 4px 8px; }
.sidebar .brand small { display: block; font-weight: 400; color: var(--faint); }
.brand-logo { display: block; max-width: 200px; max-height: 60px; height: auto; margin: 0 auto 4px 0; }
.auth-brand .brand-logo { margin: 0 auto; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: var(--radius-sm); }
.nav a:hover { background: var(--field); color: var(--text); }
.nav a.active { background: var(--selected); color: var(--text); }
.main { display: flex; flex-direction: column; gap: var(--space); min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space); padding: 12px var(--space); }
.topbar h1 { margin: 0; font-size: 1.25rem; }
.who { display: flex; align-items: center; gap: 12px; color: var(--muted); min-width: 0; }
.who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who form { margin: 0; }
.content { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space); align-content: start; }
.content p a { overflow-wrap: anywhere; } /* long addresses wrap instead of widening the page on phones */

/* Cards and stats */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space); }
.card { padding: calc(var(--space) * 1.25); }
a.card { color: inherit; text-decoration: none; }
a.card:hover, a.card.active { border-color: var(--link); }
.stat { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.label { color: var(--muted); font-size: .9rem; }
.meter { height: 8px; border-radius: 99px; background: var(--field); overflow: hidden; margin-top: 8px; }
.meter > span { display: block; height: 100%; background: linear-gradient(90deg, #6366f1, #8b5cf6); }

/* Tables */
.table-wrap { position: relative; overflow-x: auto; } /* relative: hidden screen-reader text inside stays clipped too */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--panel-border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; font-size: .85rem; }
.table tr:last-child td { border-bottom: 0; }
.table td small { display: block; color: var(--faint); }

/* Forms */
.form { display: grid; gap: var(--space); }
.form fieldset { border: 0; margin: 0; padding: 0; display: grid; gap: 12px; }
.form legend { font-weight: 600; margin-bottom: 8px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; align-items: start; }
.field { display: grid; gap: 6px; }
.field > span:first-child { font-size: .9rem; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--field);
  border: 1px solid var(--field-border); border-radius: var(--radius-sm); padding: 10px 12px;
}
.field input::placeholder { color: var(--faint); }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.field-error { color: var(--danger); font-size: .85rem; }
.hint { color: var(--faint); font-size: .85rem; }
.addon { display: flex; align-items: stretch; }
.addon input { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.addon b { display: flex; align-items: center; padding: 0 12px; font-weight: 400; color: var(--muted); background: var(--field); border: 1px solid var(--field-border); border-left: 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; white-space: nowrap; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; }
.plan { position: relative; display: grid; gap: 4px; padding: 14px; border: 1px solid var(--field-border); border-radius: var(--radius-sm); background: var(--field); cursor: pointer; }
.plan input { position: absolute; top: 14px; right: 14px; }
.plan:has(input:checked) { border-color: var(--link); background: var(--selected); }
.plan .price { font-size: 1.15rem; font-weight: 700; }

.tabs { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; padding: 8px 12px; }
.tabs strong { margin-right: 12px; }
.tabs a { color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: var(--radius-sm); }
.tabs a:hover { background: var(--field); color: var(--text); }
.tabs a.active { background: var(--selected); color: var(--text); }
.inline { display: inline; margin: 0; }
.check { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }
.field select option { color: #0f172a; background: #fff; }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: var(--space); flex-wrap: wrap; }
.toolbar p { margin: 0; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
textarea.script {
  width: 100%; font: 13px/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--text);
  background: var(--code-bg); border: 1px solid var(--field-border); border-radius: var(--radius-sm); padding: 12px; resize: vertical; margin-bottom: 12px;
}
code.fingerprint { font: 13px ui-monospace, "Cascadia Mono", Consolas, monospace; word-break: break-all; color: var(--link); }
pre.email-body { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: 14px/1.6 ui-monospace, "Cascadia Mono", Consolas, monospace; color: var(--text); }
.qr { display: inline-block; padding: 8px; background: #fff; border-radius: var(--radius-sm); line-height: 0; }
.codes { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; list-style: none; margin: 0 0 var(--space); padding: 0; }
.codes code { font: 16px ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: 1px; }

/* Charts: the plot shows once charts.js has drawn it; until then (or without scripts) the table inside is open. */
.chart { margin: 0 0 var(--space); }
.chart figcaption { margin-bottom: 8px; }
.chart figcaption h2 { margin: 0; }
.chart-plot { display: none; position: relative; height: 260px; }
.chart.ready .chart-plot { display: block; }
.chart details { margin-top: 12px; }
.chart summary { cursor: pointer; color: var(--link); font-size: .9rem; }
.chart .table td, .chart .table th { font-variant-numeric: tabular-nums; }
.hero { font-size: clamp(2.25rem, 8vw, 3rem); font-weight: 700; line-height: 1.05; margin: 4px 0; overflow-wrap: anywhere; }
@media (min-width: 760px) { .card-wide { grid-column: span 2; } }

/* Support ticket threads: the client's messages, and the ISP Head's (from-head) */
.thread { display: grid; gap: 12px; margin: 0 0 var(--space); padding: 0; list-style: none; }
.message { padding: 14px 16px; border: 1px solid var(--panel-border); border-radius: var(--radius-sm); background: var(--field); }
.message.from-head { border-color: var(--accent-line); background: var(--accent-soft); }
.message header { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; margin-bottom: 8px; color: var(--muted); font-size: .85rem; }
.message header strong { color: var(--text); }
.message p { margin: 0; overflow-wrap: anywhere; }

/* Help guides and answers (App\Helpers\Markup) */
.prose { max-width: 46em; overflow-wrap: anywhere; }
.prose h2 { margin-top: 28px; font-size: 1.25rem; }
.prose h3 { margin-top: 20px; font-size: 1.05rem; }
.prose ul, .prose ol { display: grid; gap: 6px; margin: 0 0 var(--space); padding-left: 1.4em; }
.prose code { padding: 1px 5px; border-radius: 6px; background: var(--code-inline); font: .9em ui-monospace, "Cascadia Mono", Consolas, monospace; }
.prose pre { margin: 0 0 var(--space); padding: 12px 14px; overflow-x: auto; border: 1px solid var(--field-border); border-radius: var(--radius-sm); background: var(--code-bg); }
.prose pre code { padding: 0; background: none; font-size: 13px; line-height: 1.5; overflow-wrap: normal; }
.prose .note { padding: 10px 14px; border-left: 3px solid var(--link); border-radius: var(--radius-sm); background: var(--accent-soft); }
.prose > :last-child { margin-bottom: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 600; border-radius: var(--radius-sm); padding: 10px 16px; border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background-color .15s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--field-border); }
.btn-ghost:hover { background: var(--field); }

/* Messages and states */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); border: 1px solid; margin: 0 0 var(--space); }
.alert-info { background: var(--accent-soft); border-color: var(--accent-line); }
.alert-ok { background: var(--ok-soft); border-color: var(--ok-line); }
.alert-error { background: var(--danger-soft); border-color: var(--danger-line); }
.alert-warn { background: var(--warn-soft); border-color: var(--warn-line); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: .8rem; font-weight: 600; border: 1px solid currentColor; }
.badge-trial { color: var(--link); }
.badge-active { color: var(--ok); }
.badge-ended { color: var(--warn); }
.badge-suspended { color: var(--danger); }
.state { text-align: center; padding: calc(var(--space) * 2.5) var(--space); color: var(--muted); }
.state strong { display: block; color: var(--text); font-size: 1.1rem; margin-bottom: 6px; }
.status-code { font-size: 3rem; font-weight: 800; line-height: 1; color: var(--link); margin-bottom: 8px; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; align-items: center; flex-wrap: wrap; }
  .nav { flex-direction: row; flex-wrap: wrap; }
  .topbar { flex-wrap: wrap; }
}

/* Captive portal and customer pages: lighter blur and no motion, for low-end phones */
body.portal { --blur: 6px; }
body.portal * { transition: none; }
.portal-brand { text-align: center; display: grid; gap: 6px; justify-items: center; width: min(440px, calc(100vw - 2 * var(--space))); }
.portal-brand img { max-width: 240px; max-height: 80px; height: auto; }
.portal-headline { margin: 0; font-size: 1.25rem; font-weight: 700; }
.portal-message { margin: 0; color: var(--muted); }
.portal-footer { width: min(440px, calc(100vw - 2 * var(--space))); text-align: center; color: var(--muted); font-size: .9rem; }
.portal-footer p { margin: 0 0 6px; }
.portal-footer details { text-align: left; margin-bottom: 8px; }
.portal-terms { white-space: normal; max-height: 40vh; overflow-y: auto; }
.portal-faq details { padding: 10px 0; border-bottom: 1px solid var(--panel-border); }
.portal-faq summary { font-weight: 600; cursor: pointer; }
.portal-faq .prose { margin-top: 8px; color: var(--muted); }
.portal-faq + .portal-section { margin-top: var(--space); }
.portal-section + .portal-section { border-top: 1px solid var(--panel-border); margin-top: var(--space); padding-top: var(--space); }
.portal-section h2 { margin-bottom: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.code-big { font: 700 28px/1.2 ui-monospace, "Cascadia Mono", Consolas, monospace; letter-spacing: 2px; text-align: center; padding: 12px; border: 1px dashed var(--field-border); border-radius: var(--radius-sm); margin: 0 0 var(--space); }

/* Solid panels where blur is unsupported or the user asks for less transparency */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: var(--panel-solid); }
}
@media (prefers-reduced-transparency: reduce) {
  .glass { background: var(--panel-solid); -webkit-backdrop-filter: none; backdrop-filter: none; }
  body.backdrop { background: var(--bg); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}