* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Oxygen, sans-serif;
  background: #f1f5f9;
  color: #1e293b;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-wrapper {
  width: 100%;
  max-width: 420px;
  padding: 1rem;
}

.login-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 2.5rem 2rem;
  box-shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: -0.5px;
  margin-bottom: 0.25rem;
}

.login-header p {
  color: #64748b;
  font-size: 0.9rem;
}

.field {
  margin-bottom: 1.25rem;
}

.field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #0f172a;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.field input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  color: #1e293b;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  border-color: #10b981;
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

button[type="submit"] {
  width: 100%;
  padding: 0.75rem;
  margin-top: 0.5rem;
  background: #10b981;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.2s;
}

button[type="submit"]:hover {
  background: #059669;
}

button[type="submit"]:disabled {
  background: #94a3b8;
  cursor: not-allowed;
}

.error-msg {
  background: #fef2f2;
  border: 1px solid #fca5a5;
  color: #dc2626;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
  text-align: center;
}

.hidden { display: none; }