:root {
  --primary: #ff6b35;
  --primary-dark: #e2571f;
  --bg: #f4f5fa;
  --card-bg: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --success: #16a34a;
  --success-bg: #dcfce7;
  --error: #dc2626;
  --error-bg: #fee2e2;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fff4ec 0%, #f4f5fa 60%);
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  padding: 24px 16px;
}

.container {
  width: 100%;
  max-width: 480px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.card.center {
  text-align: center;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 13px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

h1 {
  font-size: 24px;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--text);
}

.muted {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 20px;
}

.alert {
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert.error {
  background: var(--error-bg);
  color: var(--error);
}

.alert.success {
  background: var(--success-bg);
  color: var(--success);
}

form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

input {
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}

input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}

button[type="submit"] {
  margin-top: 8px;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

button[type="submit"]:hover {
  background: var(--primary-dark);
}

button[type="submit"]:active {
  transform: scale(0.98);
}

.button {
  display: inline-block;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
}

.button.secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  margin-top: 12px;
}

.button.secondary:hover {
  background: var(--border);
}

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success);
  font-size: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

@media (max-width: 400px) {
  .card {
    padding: 24px 20px;
  }
}