:root {
  --bg: oklch(16% 0.02 260);
  --bg-elev: oklch(21% 0.025 260);
  --line: oklch(32% 0.02 260);
  --text: oklch(96% 0.01 260);
  --muted: oklch(68% 0.02 260);
  --accent: oklch(80% 0.16 78);
  --accent-deep: oklch(68% 0.17 60);
  --danger: oklch(64% 0.2 25);
  --radius: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

.login-body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 78% -10%, oklch(28% 0.07 78 / 0.35), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, oklch(30% 0.06 250 / 0.30), transparent 55%),
    var(--bg);
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, var(--bg-elev), oklch(18% 0.02 260));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 40px 36px 28px;
  box-shadow:
    0 1px 0 oklch(100% 0 0 / 0.04) inset,
    0 30px 70px -30px oklch(0% 0 0 / 0.8);
  animation: rise 0.6s var(--ease) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
}

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

.login-dot {
  display: inline-block;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 oklch(80% 0.16 78 / 0.55);
  animation: pulse 2.4s var(--ease) infinite;
  margin-bottom: 18px;
}

@keyframes pulse {
  50% { box-shadow: 0 0 0 9px oklch(80% 0.16 78 / 0); }
}

.login-brand h1 {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.login-brand h1 em {
  font-style: normal;
  color: var(--accent);
}
.login-brand p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.01em;
}

.login-form { display: grid; gap: 16px; margin-top: 8px; }

.login-form label {
  display: grid;
  gap: 7px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.login-form input {
  font: inherit;
  font-size: 0.98rem;
  text-transform: none;
  letter-spacing: normal;
  color: var(--text);
  background: oklch(13% 0.02 260);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.login-form input:focus {
  outline: none;
  border-color: var(--accent-deep);
  box-shadow: 0 0 0 3px oklch(70% 0.16 70 / 0.18);
}

.login-form button {
  margin-top: 6px;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  color: oklch(20% 0.05 70);
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  border: none;
  border-radius: 10px;
  padding: 13px 16px;
  cursor: pointer;
  transition: transform 0.15s var(--ease), filter 0.2s var(--ease);
}
.login-form button:hover { filter: brightness(1.07); }
.login-form button:active { transform: translateY(1px); }

.login-error {
  background: oklch(30% 0.08 25 / 0.35);
  border: 1px solid oklch(50% 0.13 25 / 0.5);
  color: oklch(86% 0.06 25);
  font-size: 0.85rem;
  padding: 10px 13px;
  border-radius: 9px;
  margin-bottom: 18px;
}

.login-foot {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}