/* Minimalist High-Contrast Dark Design System
   Monochrome palette, precision hairline borders, crisp typography.
   Zero green. Zero clutter. */

:root {
  --bg: #000000;
  --bg-subtle: #080808;
  --surface: #0a0a0a;
  --surface-2: #121212;
  --surface-hover: #171717;
  --line: #222222;
  --line-hover: #333333;
  --line-soft: #181818;
  --text: #ededed;
  --text-bright: #ffffff;
  --muted: #888888;
  --faint: #555555;
  --accent: #ffffff;
  --accent-ink: #000000;
  --danger: #f87171;
  --danger-dim: rgba(248, 113, 113, 0.1);
  --warn: #eab308;
  --warn-dim: rgba(234, 179, 8, 0.1);
  --r-xs: 5px;
  --r-s: 8px;
  --r-m: 12px;
  --r-full: 9999px;
  --tap: 42px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --measure: 1040px;
  --measure-narrow: 680px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  font: 400 14px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

h1, h2, h3, h4 { margin: 0; font-family: var(--font); font-weight: 600; letter-spacing: -0.025em; line-height: 1.25; color: var(--text-bright); }
h1 { font-size: 32px; font-weight: 700; letter-spacing: -0.035em; }
h2 { font-size: 18px; }
h3 { font-size: 15px; }
p { margin: 0 0 12px; }
p:last-child { margin-bottom: 0; }
a { color: var(--text-bright); text-decoration: underline; text-underline-offset: 3px; transition: opacity 150ms ease; }
a:hover { opacity: 0.8; }
code, .mono { font-family: var(--mono); font-size: 0.9em; letter-spacing: -0.01em; }
::selection { background: #ffffff; color: #000000; }
:focus-visible { outline: 2px solid #ffffff; outline-offset: 2px; border-radius: var(--r-xs); }

/* SVG Vector icons */
.v-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}
.v-icon-sm { width: 13px; height: 13px; }
.v-icon-lg { width: 20px; height: 20px; }

/* ---------- Chrome Header ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar-in {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-bright);
}
.mark {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-bright);
}
.wordmark { font-weight: 600; font-size: 15px; letter-spacing: -0.02em; color: var(--text-bright); }
.brand-badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: var(--r-full);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--muted);
}

.topnav { display: none; align-items: center; gap: 8px; }
.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--r-s);
  transition: color 150ms ease;
}
.nav-link:hover { color: var(--text-bright); }
.nav-link[aria-current="page"] { color: var(--text-bright); }

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 13px;
  border-radius: var(--r-s);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text-bright);
  text-decoration: none;
  transition: all 150ms ease;
}
.nav-btn:hover {
  background: var(--surface-hover);
  border-color: var(--line-hover);
}
.nav-btn.active-state {
  background: #ffffff;
  border-color: #ffffff;
  color: #000000;
}
.nav-btn.active-state:hover {
  background: #e5e5e5;
  color: #000000;
}

/* ---------- Page Layout ---------- */

.page {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 36px 20px 60px;
}
.page-narrow { max-width: var(--measure-narrow); margin: 0 auto; }

.hero { margin: 8px 0 28px; }
.hero h1 { font-size: 36px; margin: 12px 0 10px; }
.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 4px 11px;
  border-radius: var(--r-full);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 8px;
}
.page-head { margin: 6px 0 24px; }
.page-head h1 { margin-bottom: 8px; }
.lede { color: var(--muted); font-size: 15px; line-height: 1.6; max-width: 58ch; }

/* ---------- Panels / Cards ---------- */

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 22px;
  margin: 0 0 18px;
  transition: border-color 150ms ease;
}
.panel:hover { border-color: var(--line-hover); }
.panel > h2 { margin-bottom: 4px; }
.panel-sub { color: var(--muted); font-size: 13.5px; margin: 0 0 16px; }

.rowline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}
.rowline:first-of-type { border-top: 0; }
.rowline .k { color: var(--muted); font-size: 13px; }
.rowline .v { font-size: 13.5px; text-align: right; color: var(--text-bright); }

/* ---------- Steps (Cards Timeline) ---------- */

.steps {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.steps li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 150ms ease;
}
.steps li:hover { border-color: var(--line-hover); }
.step-num {
  width: 26px;
  height: 26px;
  border-radius: var(--r-xs);
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text-bright);
  font-weight: 600;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.steps li strong { font-size: 14.5px; color: var(--text-bright); margin-bottom: 3px; display: block; font-weight: 600; }
.steps li p { color: var(--muted); font-size: 13px; line-height: 1.5; margin: 0; }

/* ---------- Buttons & Inputs ---------- */

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--tap);
  padding: 0 18px;
  border-radius: var(--r-s);
  font: 500 13.5px/1 var(--font);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: all 120ms ease;
  user-select: none;
}
.btn:active { transform: scale(0.98); }

.btn.primary {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  font-weight: 600;
}
.btn.primary:hover {
  background: #e5e5e5;
  border-color: #e5e5e5;
  color: #000000;
}

.btn.secondary {
  background: var(--surface-2);
  border-color: var(--line);
  color: var(--text-bright);
}
.btn.secondary:hover {
  border-color: var(--line-hover);
  background: var(--surface-hover);
  color: #ffffff;
}

.btn.danger {
  background: transparent;
  border-color: rgba(248, 113, 113, 0.3);
  color: var(--danger);
}
.btn.danger:hover {
  border-color: var(--danger);
  background: var(--danger-dim);
}

.btn.danger-solid {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}
.btn.danger-solid:hover {
  background: #b91c1c;
}

.btn.small {
  min-height: 32px;
  padding: 0 12px;
  font-size: 12.5px;
  border-radius: var(--r-xs);
}
.btn.block { width: 100%; }
.btn[disabled], .btn.loading { opacity: 0.6; cursor: wait; pointer-events: none; }
.btn .spin {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-top-color: transparent;
  animation: spin 600ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Form Fields */
label.field { display: block; margin: 0 0 16px; }
label.field > span {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 6px;
}
input[type="text"], input[type="password"], input[type="search"] {
  width: 100%;
  min-height: var(--tap);
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text-bright);
  border-radius: var(--r-s);
  padding: 0 14px;
  font: 400 14px var(--font);
  transition: border-color 120ms ease;
}
input:focus {
  border-color: #ffffff;
  outline: none;
}

/* ---------- Status Pills ---------- */

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-2);
  white-space: nowrap;
}
.pill-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex-shrink: 0; }
.pill-icon { display: inline-flex; align-items: center; }
.pill-icon .v-icon { width: 12px; height: 12px; }

.pill-active, .pill-verified {
  color: #ffffff;
  border-color: #333333;
  background: var(--surface-2);
}
.pill-revoked, .pill-expired, .pill-consumed {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.3);
  background: var(--danger-dim);
}
.pill-pending {
  color: var(--warn);
  border-color: rgba(234, 179, 8, 0.3);
  background: var(--warn-dim);
}
.pill-vip {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
  background: rgba(56, 189, 248, 0.1);
}
.pill-banned {
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.4);
  background: var(--danger-dim);
  font-weight: 600;
}

/* ---------- Quota Gauge ---------- */

.meter {
  height: 6px;
  border-radius: var(--r-full);
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  margin: 10px 0 8px;
}
.meter > i {
  display: block;
  height: 100%;
  background: #ffffff;
  border-radius: var(--r-full);
  transition: width 400ms ease;
}
.meter.hot > i {
  background: var(--danger);
}
.quota-figures { display: flex; align-items: baseline; gap: 8px; margin: 2px 0 4px; }
.quota-figures .big { font-size: 28px; font-weight: 700; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; color: var(--text-bright); }
.quota-figures .of { color: var(--muted); font-size: 13.5px; }

/* ---------- Addon URL Box ---------- */

.urlbox {
  display: flex;
  gap: 8px;
  align-items: stretch;
  margin: 10px 0;
}
.urlbox code {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--text-bright);
  display: flex;
  align-items: center;
}
.urlbox .btn { flex-shrink: 0; }
.urlbox-secondary code { font-size: 12px; padding: 8px 12px; color: var(--muted); }

/* ---------- User Identity ---------- */

.identity { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  object-fit: cover;
  background: var(--surface-2);
  border: 1px solid var(--line);
}
.avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  color: var(--text-bright);
  font-weight: 600;
  font-size: 17px;
  border: 1px solid var(--line);
}
.identity .who { font-weight: 600; font-size: 16px; color: var(--text-bright); }
.identity .sub { color: var(--muted); font-size: 13px; margin-top: 2px; }
.identity .pills { display: flex; gap: 6px; margin-top: 6px; flex-wrap: wrap; }

/* ---------- How-to Steps ---------- */

.howto {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}
.howto li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--muted);
  padding: 8px 0;
  border-top: 1px solid var(--line-soft);
}
.howto li:first-child { border-top: 0; }
.task-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.task-done { background: rgba(255, 255, 255, 0.1); color: #ffffff; }
.task-pending { background: transparent; border: 1px solid var(--line); color: var(--faint); }

/* ---------- Provider Cards ---------- */

.provider-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 18px 0;
}
.provider-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 150ms ease;
}
.provider-card:hover { border-color: var(--line-hover); }
.provider-head {
  display: flex;
  align-items: center;
  gap: 10px;
}
.provider-icon-badge {
  width: 36px;
  height: 36px;
  border-radius: var(--r-s);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text-bright);
}
.provider-tg { color: #0088cc; }
.provider-dc { color: #5865F2; }

/* ---------- Stepper ---------- */

.stepper {
  display: flex;
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  overflow: hidden;
}
.stepper div {
  flex: 1;
  padding: 10px 8px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--faint);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.stepper div + div { border-left: 1px solid var(--line); }
.stepper div.done { color: var(--text-bright); background: var(--surface-2); }
.stepper div.now { color: var(--text-bright); background: var(--surface); }

/* ---------- Codeblock in Verify ---------- */

.codeblock {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 18px 22px;
  margin: 14px 0;
}
.codeblock .code {
  font-family: var(--mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 6px;
  color: var(--text-bright);
}

/* Notice banners */
.notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--muted);
  margin: 16px 0;
  background: var(--surface);
}
.notice strong { color: var(--text-bright); }
.notice.warn { border-color: rgba(234, 179, 8, 0.3); }
.actions-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

/* Checkbox save */
.savecheck {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  min-height: var(--tap);
  cursor: pointer;
  font-size: 13.5px;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
  padding-top: 12px;
}
.savecheck input { width: 16px; height: 16px; accent-color: #ffffff; flex-shrink: 0; cursor: pointer; }
.savecheck.is-saved { color: var(--text-bright); }
.saved-pill {
  margin-left: auto;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-bright);
  border: 1px solid var(--line);
  background: var(--surface-2);
  border-radius: var(--r-full);
  padding: 3px 8px;
}
.saved-pill[hidden] { display: none; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0 -22px; padding: 0 22px; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 640px; }
table.grid th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
table.grid td { padding: 12px; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
table.grid tr:last-child td { border-bottom: 0; }
table.grid tbody tr:hover { background: var(--surface-hover); }
table.grid a.rowlink { color: var(--text-bright); font-weight: 600; text-decoration: none; }
table.grid a.rowlink:hover { text-decoration: underline; }
.cell-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.cell-actions { white-space: nowrap; text-align: right; }
.cell-actions form { display: inline; }

/* Toasts */
.toasts {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(76px + env(safe-area-inset-bottom));
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  width: max-content;
  max-width: calc(100vw - 32px);
  pointer-events: none;
}
.toast {
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text-bright);
  border-radius: var(--r-s);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  gap: 8px;
  align-items: center;
  animation: toast-in 160ms ease;
}
.toast::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  flex-shrink: 0;
}
.toast.err::before { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(6px); } }

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  padding: 24px;
  width: 100%;
  max-width: 400px;
}
.modal h2 { font-size: 17px; margin-bottom: 6px; color: var(--text-bright); }
.modal p { color: var(--muted); font-size: 13.5px; margin: 0 0 20px; line-height: 1.5; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.modal-actions .btn { flex: 1; }

/* Footer */
.footer { border-top: 1px solid var(--line); margin-top: 40px; }
.footer-in {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 20px 20px 80px;
  color: var(--faint);
  font-size: 12.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-brand { display: flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 500; }
.footer-meta { display: flex; align-items: center; gap: 8px; }
.status-indicator { display: inline-flex; align-items: center; gap: 6px; color: var(--text-bright); font-weight: 500; font-size: 12px; }
.pulse-dot { width: 6px; height: 6px; border-radius: 50%; background: #ffffff; }

/* Mobile Tab Bar */
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  display: flex;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  min-height: 56px;
  justify-content: center;
}
.tabbar a .v-icon { width: 18px; height: 18px; }
.tabbar a[aria-current="page"] { color: var(--text-bright); }

/* Responsive */
@media (min-width: 720px) {
  .topnav { display: flex; }
  .tabbar { display: none; }
  .footer-in { padding-bottom: 20px; }
  .toasts { bottom: 24px; }
  .split { display: grid; grid-template-columns: 1.45fr 1fr; gap: 20px; align-items: start; }
}

@media (max-width: 719px) {
  .steps { grid-template-columns: 1fr; }
  .provider-grid { grid-template-columns: 1fr; }
  .panel { padding: 16px; }
  .urlbox { flex-direction: column; }
  .urlbox .btn { width: 100%; }
  .codeblock { flex-direction: column; align-items: stretch; text-align: center; }
  .codeblock .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
}