:root {
  --bg: #0f172a;
  --card: #ffffff;
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #d1d5db;
  --accent: #ea580c;
  --accent-ink: #ffffff;
  --error: #b91c1c;
  --error-bg: #fef2f2;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 50% -10%, #1e293b 0%, var(--bg) 60%);
  display: grid;
  place-items: center;
  padding: 1.25rem;
}

.login-wrap {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.login-card {
  width: 100%;
  background: var(--card);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
}

.brand {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}
.brand .dot { color: var(--accent); }

.subtitle {
  margin: 0.15rem 0 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

input {
  width: 100%;
  padding: 0.7rem 0.8rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 1rem;
  color: var(--ink);
  background: #fff;
}

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.18);
}

button {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 0;
  border-radius: 9px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: filter 0.12s ease;
}

button:hover { filter: brightness(0.96); }
button:disabled { opacity: 0.6; cursor: default; }

.error {
  margin: 1rem 0 0;
  padding: 0.6rem 0.75rem;
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid #fca5a5;
  border-radius: 8px;
  font-size: 0.9rem;
}

.foot {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.8rem;
  text-align: center;
  margin: 0;
}