:root {
  --bg: #0f172a;
  --card: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --accent-dark: #0ea5e9;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.18), transparent 35%),
    linear-gradient(180deg, #0f172a 0%, #111827 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
}

.wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 520px;
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 40px;
  backdrop-filter: blur(10px);
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-weight: 700;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
}

.subtitle {
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #f3f4f6;
}

input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

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

input:focus {
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.16);
}

button {
  margin-top: 6px;
  border: none;
  border-radius: 14px;
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 12px 30px rgba(14, 165, 233, 0.28);
}

button:hover {
  transform: translateY(-1px);
  opacity: 0.96;
}

button:active {
  transform: translateY(0);
}

.note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.footer-link:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .card {
    padding: 28px 20px;
    border-radius: 20px;
  }

  h1 {
    font-size: 2rem;
  }
}