:root {
  color-scheme: dark;
  --bg: #08110e;
  --bg-soft: #0c1713;
  --panel: #101d18;
  --panel-2: #14241e;
  --line: #22362d;
  --line-soft: #1a2b24;
  --text: #e9f4ef;
  --muted: #93a99f;
  --accent: #35d399;
  --accent-strong: #22c55e;
  --accent-soft: rgba(53, 211, 153, 0.12);
  --warn: #f4c15d;
  --danger: #f87373;
  --danger-soft: rgba(248, 115, 115, 0.12);
  --radius: 16px;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(53, 211, 153, 0.10), transparent 60%),
    radial-gradient(700px 420px at 5% 0%, rgba(59, 130, 246, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1, h2, p { margin: 0; }

code {
  font-family: Consolas, "SFMono-Regular", Menlo, monospace;
  font-size: 0.92em;
  color: #c9f7e4;
  background: rgba(53, 211, 153, 0.10);
  border: 1px solid rgba(53, 211, 153, 0.16);
  padding: 1px 6px;
  border-radius: 6px;
  overflow-wrap: anywhere;
}

[hidden] { display: none !important; }

/* ---------- Auth ---------- */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 18px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--accent), #0ea5e9);
  color: #04130d;
  font-weight: 800;
  font-size: 20px;
  box-shadow: 0 8px 24px rgba(53, 211, 153, 0.28);
}

.brand h1 { font-size: 18px; letter-spacing: 0.2px; }
.brand p { color: var(--muted); font-size: 13px; margin-top: 2px; }

.auth-foot {
  margin-top: 18px;
  color: var(--muted);
  font-size: 12.5px;
  text-align: center;
  line-height: 1.6;
}

.stack { display: flex; flex-direction: column; gap: 14px; }
.stack.tight { gap: 12px; margin-top: 16px; }

/* ---------- Layout ---------- */
.topbar {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(8, 17, 14, 0.78);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.topbar .brand { margin-bottom: 0; }
.topbar .brand h1 { font-size: 16px; }
.topbar .brand p { font-size: 12px; }
.topbar .brand-mark { width: 38px; height: 38px; flex-basis: 38px; font-size: 17px; border-radius: 11px; }

.top-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.top-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.25;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.top-meta b { color: var(--text); font-size: 13px; letter-spacing: 0; text-transform: none; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 20px 70px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
  align-items: start;
}

@media (max-width: 880px) {
  .grid { grid-template-columns: 1fr; }
  .topbar-inner { flex-wrap: wrap; }
  .top-meta { display: none; }
}

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(180deg, rgba(20, 36, 30, 0.85), rgba(16, 29, 24, 0.95));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.card-head h2 { font-size: 16px; letter-spacing: 0.15px; }
.card-head p { color: var(--muted); font-size: 12.5px; margin-top: 3px; max-width: 48ch; }

.tag {
  flex: 0 0 auto;
  font-size: 11.5px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(53, 211, 153, 0.22);
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}
.row:first-of-type { border-top: 0; padding-top: 0; }
.row-main { min-width: 0; }
.row-title { font-weight: 600; font-size: 14px; }
.row-sub { color: var(--muted); font-size: 12.5px; margin-top: 2px; }

.field { display: flex; flex-direction: column; gap: 6px; margin-top: 14px; }
.field > span, .field > label > span, .label {
  font-size: 12px;
  font-weight: 600;
  color: #b8ccc3;
  letter-spacing: 0.2px;
  text-transform: uppercase;
}
.field > label { display: flex; flex-direction: column; gap: 6px; }
.hint { color: var(--muted); font-size: 12px; line-height: 1.5; }
.hint code { font-size: 0.95em; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.form-grid .field:nth-child(3) { grid-column: 1 / -1; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- Inputs ---------- */
.input {
  width: 100%;
  background: #0b1612;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input:focus {
  border-color: rgba(53, 211, 153, 0.55);
  box-shadow: 0 0 0 3px rgba(53, 211, 153, 0.12);
}
.input[readonly] { color: #cfe4da; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 34px; }
input[type="number"] { max-width: 220px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #17251f;
  color: var(--text);
  padding: 9px 16px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.08s, border-color 0.15s, background 0.15s;
  white-space: nowrap;
}
.btn:hover { border-color: #35544a; background: #1b2c25; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.65; cursor: default; }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
  color: #04130d;
}
.btn.primary:hover { filter: brightness(1.05); background: linear-gradient(135deg, var(--accent), var(--accent-strong)); }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 11px; font-size: 12.5px; }
.btn.block { width: 100%; }

/* ---------- Switch ---------- */
.switch { position: relative; display: inline-flex; flex: 0 0 auto; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 42px; height: 24px; margin: 0; cursor: pointer; }
.switch span {
  width: 42px;
  height: 24px;
  background: #263a31;
  border-radius: 999px;
  transition: background 0.18s;
  position: relative;
}
.switch span::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #d6e6de;
  transition: transform 0.18s, background 0.18s;
}
.switch input:checked + span { background: rgba(53, 211, 153, 0.42); }
.switch input:checked + span::after { transform: translateX(18px); background: var(--accent); }
.switch input:focus-visible + span { box-shadow: 0 0 0 3px rgba(53, 211, 153, 0.22); }

/* ---------- Segmented ---------- */
.segmented {
  display: inline-flex;
  background: #0b1612;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 3px;
  gap: 3px;
  width: 100%;
  max-width: 440px;
}
.segmented label { flex: 1; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span {
  display: block;
  text-align: center;
  padding: 7px 8px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.segmented input:checked + span { background: var(--accent-soft); color: var(--accent); }
.segmented input:focus-visible + span { outline: 2px solid rgba(53, 211, 153, 0.4); }

/* ---------- Save bar ---------- */
.savebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(12, 23, 19, 0.92);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 16px;
  margin-bottom: 18px;
}
.save-note { color: var(--muted); font-size: 12.5px; }
@media (max-width: 640px) {
  .savebar { flex-direction: column; align-items: stretch; text-align: center; }
}

/* ---------- Alerts ---------- */
.alert {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 16px;
  margin-bottom: 18px;
  font-size: 13.5px;
  line-height: 1.55;
}
.alert.ok { background: rgba(53, 211, 153, 0.08); border-color: rgba(53, 211, 153, 0.28); color: #c4f5e0; }
.alert.error { background: var(--danger-soft); border-color: rgba(248, 115, 115, 0.32); color: #ffc9c9; }
.alert.info { background: rgba(96, 165, 250, 0.08); border-color: rgba(96, 165, 250, 0.28); color: #c7ddfb; }
.alert.token {
  background: linear-gradient(180deg, rgba(53, 211, 153, 0.10), rgba(53, 211, 153, 0.04));
  border-color: rgba(53, 211, 153, 0.38);
}
.alert.token strong { display: block; margin-bottom: 2px; }
.alert.token p { color: var(--muted); margin-bottom: 10px; font-size: 12.5px; }
.alert.token .copyrow { margin-bottom: 0; }

/* ---------- Copy row ---------- */
.copyrow {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #0b1612;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 6px 6px 12px;
}
.copyrow .input { border: 0; background: transparent; padding: 4px 0; box-shadow: none; }
.token-value {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 12.5px;
  color: #c9f7e4;
  background: transparent;
  border: 0;
  padding: 0;
}
.token-value + .btn { flex: 0 0 auto; }

/* ---------- Misc ---------- */
.meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
}
.meta-row span { color: var(--muted); }
.meta-row b { font-weight: 600; text-align: right; }

.option-status {
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: #0b1612;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--muted);
}
.option-status strong { color: #c4d9d0; font-size: 12px; text-transform: uppercase; letter-spacing: 0.3px; }
.option-status b { color: var(--text); font-weight: 600; }

.inline-form { display: inline-flex; align-items: center; }

.copy-fallback {
  position: fixed;
  top: -1000px;
  left: -1000px;
  opacity: 0;
}

::selection { background: rgba(53, 211, 153, 0.28); }