:root {
  --coral: #d57b66;
  --foreground: #171717;
  --muted: #737373;
  --background: #ffffff;
  --border: #e5e5e5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--foreground);
  background: #f7f7f7;
}

h1,
h2,
h3,
p {
  margin: 0;
}

.topbar {
  background: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.topbar-logo {
  width: 130px;
  height: auto;
}

.topbar h1 {
  font-size: 1.2rem;
}

.topbar p {
  color: var(--muted);
  font-size: 0.88rem;
}

.container {
  max-width: 1120px;
  margin: 26px auto;
  padding: 0 20px 28px;
}

.form-shell {
  display: grid;
  gap: 18px;
}

.card {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: grid;
  gap: 16px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.card h2 {
  font-size: 1.05rem;
  color: var(--foreground);
  border-bottom: 2px solid rgba(213, 123, 102, 0.18);
  padding-bottom: 10px;
}

.field-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--foreground);
}

input,
select,
textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 11px;
  font: inherit;
  color: var(--foreground);
  background: var(--background);
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(213, 123, 102, 0.2);
  border-color: var(--coral);
}

textarea {
  resize: vertical;
}

.field-group {
  display: grid;
  gap: 10px;
}

.field-group h3 {
  font-size: 0.92rem;
  color: var(--muted);
  font-weight: 600;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
}

.checkbox-grid label,
.inline-options label {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafafa;
}

.inline-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.actions {
  display: flex;
  justify-content: flex-end;
}

.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: var(--coral);
  color: #fff;
}

.btn-primary:hover {
  background: #c76e58;
}

.btn-ghost {
  background: #fff;
  border-color: var(--border);
  color: var(--foreground);
}

.hidden {
  display: none !important;
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #fff 0%, #f8efec 100%);
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
  display: grid;
  gap: 14px;
}

.auth-logo {
  width: 150px;
  height: auto;
}

.auth-card h1 {
  font-size: 1.2rem;
}

.auth-subtitle {
  color: var(--muted);
  font-size: 0.9rem;
}

.stack-form {
  display: grid;
  gap: 10px;
}

.error-text {
  color: #b42318;
  font-size: 0.86rem;
}

.score-hint {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.3;
}

@media (max-width: 760px) {
  .topbar {
    padding: 14px 16px;
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-left {
    width: 100%;
  }

  .actions {
    justify-content: stretch;
  }

  .actions .btn {
    width: 100%;
  }
}