:root {
  --bg: #050505;
  --bg-card: #101014;
  --border: #26262e;
  --text: #f4f4f8;
  --muted: #9ca3af;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --danger: #ef4444;
  --ok: #22c55e;
  --radius: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(59, 130, 246, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

.login-shell {
  width: 100%;
  max-width: 420px;
}

.login-shell--wide {
  max-width: 520px;
}

.login-brand {
  text-align: center;
  margin-bottom: 28px;
}

.login-brand__logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.25), rgba(59, 130, 246, 0.05));
  border: 1px solid rgba(59, 130, 246, 0.35);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.25rem;
  color: #93c5fd;
}

.login-brand h1 {
  margin: 0 0 8px;
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.login-brand p {
  margin: 0 auto;
  max-width: 36ch;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.login-card__title {
  margin: 0 0 20px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.field {
  display: block;
  margin-bottom: 14px;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field-row .field {
  margin-bottom: 14px;
}

@media (max-width: 520px) {
  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.field span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #d1d5db;
}

.field input {
  width: 100%;
  padding: 13px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #0c0c10;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input::placeholder {
  color: #6b7280;
}

.field input:focus {
  outline: none;
  border-color: rgba(59, 130, 246, 0.65);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.login-btn {
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease, opacity 0.15s ease;
}

.login-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.login-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.login-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.login-error {
  margin: 14px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fecaca;
  font-size: 0.92rem;
  line-height: 1.4;
}

.login-error[hidden] {
  display: none;
}

.login-foot {
  margin-top: 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.login-foot a {
  color: #93c5fd;
  text-decoration: none;
  font-weight: 600;
}

.login-foot a:hover {
  text-decoration: underline;
}