:root {
  color-scheme: dark;
  --bg: #07080c;
  --surface: #11141c;
  --surface-2: #181c27;
  --line: rgba(255, 255, 255, 0.1);
  --text: #f3f5f8;
  --muted: #8b93a7;
  --accent: #c4b5fd;
  --danger: #fb7185;
  --ok: #5eead4;
}
* {
  box-sizing: border-box;
}
html,
body {
  min-height: 100%;
  margin: 0;
}
body {
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(
      700px 420px at 85% -10%,
      rgba(129, 140, 248, 0.24),
      transparent 60%
    ),
    radial-gradient(
      550px 360px at 0% 110%,
      rgba(45, 212, 191, 0.1),
      transparent 58%
    ),
    var(--bg);
  color: var(--text);
  font-family: Tahoma, "Segoe UI", sans-serif;
}
.shell {
  width: min(100%, 430px);
}
.brand {
  text-align: center;
  margin-bottom: 20px;
}
.sigil {
  width: 62px;
  height: 62px;
  margin: 0 auto 12px;
  border-radius: 20px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: linear-gradient(145deg, #2b2150, #12101d);
  border: 1px solid rgba(196, 181, 253, 0.35);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
h1 {
  margin: 0;
  font-size: 22px;
}
.brand p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 12px;
}
.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(17, 20, 28, 0.9);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(18px);
}
.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 5px;
  margin-bottom: 20px;
  border-radius: 14px;
  background: #0a0c12;
}
.tab {
  border: 0;
  border-radius: 10px;
  padding: 11px;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  font: sans-serif;
  font-weight: 700;
}
.tab.active {
  color: var(--text);
  background: var(--surface-2);
}
form {
  display: grid;
  gap: 13px;
}
.field {
  display: grid;
  gap: 7px;
}
label {
  font-size: 12px;
  color: #cbd1de;
  font-weight: 600;
}
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 13px;
  outline: none;
  color: var(--text);
  background: #0b0e15;
  font: sans-serif;
  direction: rtl;
}
input[dir="ltr"] {
  direction: ltr;
  text-align: left;
}
input:focus {
  border-color: rgba(196, 181, 253, 0.7);
  box-shadow: 0 0 0 3px rgba(196, 181, 253, 0.1);
}
.captcha-row {
  display: grid;
  grid-template-columns: 1fr 44px;
  gap: 8px;
  align-items: center;
}
.captcha-box {
  min-height: 62px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0b0e15;
}
.captcha-box img {
  display: block;
  width: 175px;
  max-width: 100%;
  height: 62px;
  object-fit: contain;
}
.refresh {
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  color: var(--accent);
  background: #0b0e15;
  font-size: 20px;
}
.primary {
  margin-top: 5px;
  border: 0;
  border-radius: 13px;
  padding: 13px;
  color: #100d18;
  background: linear-gradient(135deg, #c4b5fd, #818cf8);
  cursor: pointer;
  font: sans-serif;
  font-weight: 800;
}
button:disabled {
  opacity: 0.6;
  cursor: wait;
}
.message {
  min-height: 20px;
  margin: 2px 0 0;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.7;
}
.message.ok {
  color: var(--ok);
}
.hint {
  margin: 16px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.8;
}
[hidden] {
  display: none !important;
}