:root {
  --bg-base: #0a0c14;
  --bg-card: #151b2d;
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --border: rgba(148, 163, 184, 0.25);
  --error: #f87171;
}

* {
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', 'Outfit', system-ui, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, #1f2a44 0%, var(--bg-base) 45%);
  color: var(--text-main);
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: rgba(21, 27, 45, 0.9);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.auth-card h1 {
  margin: 0;
  font-size: 24px;
}

.auth-card p {
  margin: 8px 0 20px;
  color: var(--text-sub);
  line-height: 1.5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

label {
  font-size: 13px;
  color: var(--text-sub);
}

input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #0f172a;
  color: var(--text-main);
  padding: 11px 12px;
  font-size: 14px;
}

input:focus {
  outline: 2px solid rgba(79, 70, 229, 0.5);
  border-color: var(--primary);
}

button {
  margin-top: 6px;
  border: 0;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  padding: 12px 14px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: var(--primary-hover);
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.error-text {
  min-height: 20px;
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--error);
}