:root {
  --bg: #f2f4f7;
  --card: #ffffff;
  --border: #e4e7ec;
  --text: #0a1626;
  --text-dim: #667085;
  --accent: #10a37f;
  --error: #ef4444;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  min-height: 100dvh;
}
body {
  display: grid; place-items: center;
  padding: env(safe-area-inset-top) 1rem env(safe-area-inset-bottom);
}
.login-card {
  width: 100%; max-width: 360px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.brand { text-align: center; margin-bottom: 1.5rem; }
.brand-logo {
  font-size: 2.5rem; line-height: 1;
  filter: drop-shadow(0 0 20px rgba(255,213,79,0.4));
}
.brand h1 { margin: 0.25rem 0 0.15rem; font-weight: 700; letter-spacing: -0.02em; }
.brand-sub { margin: 0; color: var(--text-dim); font-size: 0.85rem; }
form { display: grid; gap: 0.75rem; }
label { font-size: 0.85rem; color: var(--text-dim); }
input[type="password"] {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  -webkit-appearance: none; appearance: none;
}
input[type="password"]:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
button {
  padding: 0.85rem;
  font-size: 1rem; font-weight: 600;
  background: var(--accent);
  color: #ffffff;
  border: none; border-radius: 12px;
  cursor: pointer;
  margin-top: 0.5rem;
}
.login-card { box-shadow: 0 10px 40px rgba(16,24,40,0.08); }
button:active { transform: translateY(1px); }
.error {
  color: var(--error); font-size: 0.9rem; margin: 0.5rem 0 0;
  text-align: center;
}