:root {
  --teal: #0f766e;
  --teal-dark: #0b5d57;
  --teal-tint: #e6f4f1;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-body: #334155;
  --background: #f4f5f7;
  --card: #ffffff;
  --border: #e2e8f0;
  --input-border: #cbd5e1;
  --red: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 32px 16px;
  background: var(--background);
  color: var(--text);
  font-family:
    Inter,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  line-height: 1.5;
}

main {
  max-width: 440px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.brand img {
  width: 32px;
  height: 32px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1.2;
}

p {
  margin: 0;
  color: var(--text-secondary);
}

label {
  font-weight: 600;
  font-size: 15px;
}

input {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--input-border);
  border-radius: 14px;
  font: inherit;
  font-size: 16px;
}

input:focus {
  outline: none;
  border: 2px solid var(--teal);
  padding: 0 15px;
}

.button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border: 0;
  border-radius: 14px;
  background: var(--teal);
  color: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--teal-dark);
}

.button.secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--input-border);
}

.button[disabled] {
  opacity: 0.6;
  cursor: default;
}

.error {
  color: var(--red);
  font-size: 14px;
}

.small {
  font-size: 13px;
}

[hidden] {
  display: none !important;
}