:root {
  color-scheme: light;
  --brand: #006d77;
  --brand-dark: #004e57;
  --ink: #18343a;
  --muted: #52686d;
  --paper: #ffffff;
  --wash: #eef7f7;
  --border: #c8dddd;
  --danger: #a12828;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
}

body {
  background: var(--wash);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
  line-height: 1.65;
}

.content-width {
  width: min(100% - 32px, 760px);
  max-width: 760px;
  margin-inline: auto;
}

.survey-header {
  padding: 32px 0 24px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #ffffff;
}

.survey-header h1,
.landing-card h1 {
  margin: 4px 0 8px;
  line-height: 1.25;
}

.brand-kicker {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.privacy-note {
  max-width: 42rem;
  margin: 12px 0 0;
}

.survey-main {
  padding-block: 24px 48px;
}

.status-message {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--paper);
}

.status-message--error {
  border-color: #e2a5a5;
  color: var(--danger);
}

.landing-shell {
  display: grid;
  min-height: 100vh;
  padding: 24px;
  place-items: center;
}

.landing-card {
  width: min(100%, 620px);
  max-width: 620px;
  padding: clamp(24px, 6vw, 48px);
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 0 18px 50px rgba(24, 52, 58, 0.1);
}

.admin-login form {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.admin-login input {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

.primary-link,
button,
input,
select,
textarea,
.sd-btn {
  min-height: 44px;
}

.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 10px 20px;
  border-radius: 9px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.sd-btn:focus-visible {
  outline: 3px solid #f4b942;
  outline-offset: 3px;
}

#survey-container {
  min-width: 0;
}

.sd-root-modern {
  --sjs-primary-backcolor: var(--brand);
  --sjs-primary-backcolor-dark: var(--brand-dark);
  --sjs-general-backcolor: var(--paper);
  --sjs-font-family: inherit;
}

@media (max-width: 480px) {
  .content-width {
    width: min(100% - 20px, 760px);
  }

  .survey-header {
    padding-top: 24px;
  }

  .survey-main {
    padding-top: 14px;
  }
}