:root {
  --brand: #f39421;
  --brand-dark: #d97f0f;
  --text: #1f2430;
  --muted: #6b7280;
  --border: #d9dce1;
  --bg: #f4f5f7;
  --error: #c0392b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-family: "Nunito", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  padding: 24px;
}

.card {
  background: #fff;
  width: 100%;
  max-width: 480px;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  padding: 56px 48px 48px;
}

.header-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.header-logo img {
  height: 56px;
  width: auto;
}

.header-titles {
  text-align: center;
  margin-bottom: 28px;
}

.main-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--muted);
}

.welcome-title {
  margin: 4px 0 0;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text);
}

.form-input {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
}

.form-input label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.form-input input {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input input:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.12);
}

.form-input input.input-error {
  border-color: var(--error);
}

.error-msg {
  min-height: 18px;
  margin-bottom: 8px;
  color: var(--error);
  font-size: 0.82rem;
}

.error-msg ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.form-buttons {
  margin-top: 8px;
}

.btn-default {
  width: 100%;
  padding: 12px 14px;
  border: none;
  border-radius: 8px;
  background: var(--brand);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-default:hover {
  background: var(--brand-dark);
}

.btn-default:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.footer-copyright {
  position: fixed;
  bottom: 16px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}