:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --radius-1: 0.625rem;
  --radius-2: 0.875rem;
  --radius-pill: 999px;
  --font-body: "Trebuchet MS", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-heading: "Franklin Gothic Medium", "Trebuchet MS", sans-serif;
  --text-1: #102235;
  --text-2: #37506a;
  --surface-1: #ffffff;
  --surface-2: #f6fbff;
  --surface-3: #eef5fb;
  --brand-1: #0d7a71;
  --brand-2: #0b665f;
  --accent-1: #ffd17a;
  --error-1: #ad1d28;
  --error-bg: #fff1f3;
  --shadow-1: 0 10px 30px rgba(16, 34, 53, 0.12);
  --shadow-2: 0 4px 14px rgba(13, 122, 113, 0.2);
  --focus-ring: 0 0 0 3px rgba(13, 122, 113, 0.28);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text-1);
  background:
    radial-gradient(circle at 20% -10%, rgba(255, 209, 122, 0.5), transparent 38%),
    radial-gradient(circle at 90% 0%, rgba(13, 122, 113, 0.14), transparent 30%),
    linear-gradient(180deg, #f8fcff 0%, #eef5fb 100%);
}

.page {
  min-height: 100vh;
  padding: var(--space-6) var(--space-4);
  display: grid;
  place-items: center;
}

.container {
  width: min(100%, 42rem);
  padding: clamp(1.1rem, 1rem + 1vw, 2rem);
  border-radius: 1.125rem;
  background: var(--surface-1);
  box-shadow: var(--shadow-1);
  border: 1px solid rgba(16, 34, 53, 0.08);
  animation: rise 220ms ease-out;
}

.hero {
  margin-bottom: var(--space-5);
}

.eyebrow {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.25rem var(--space-3);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: #e9f7f5;
  color: var(--brand-2);
  font-weight: 700;
}

h1 {
  margin: var(--space-3) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 1.45rem + 1vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
}

.subtitle {
  margin: 0;
  color: var(--text-2);
  line-height: 1.5;
  max-width: 36ch;
}

.generateForm {
  margin: 0;
}

.fieldLabel {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-weight: 700;
}

.modeGroup {
  margin-bottom: var(--space-3);
}

.modeLabel {
  margin-bottom: var(--space-2);
}

.inputGroup {
  display: grid;
  gap: var(--space-3);
}

#nameInput,
#modeSelect,
#generateButton {
  width: 100%;
  min-height: 2.9rem;
  border-radius: var(--radius-1);
  font: inherit;
  transition: box-shadow 140ms ease, border-color 140ms ease, transform 120ms ease;
}

#nameInput {
  border: 1px solid rgba(16, 34, 53, 0.24);
  background: #ffffff;
  padding: 0 var(--space-4);
  color: var(--text-1);
}

#modeSelect {
  border: 1px solid rgba(16, 34, 53, 0.24);
  background: #ffffff;
  padding: 0 var(--space-4);
  color: var(--text-1);
}

#nameInput::placeholder {
  color: #637a90;
}

#generateButton {
  border: 1px solid transparent;
  background: linear-gradient(180deg, var(--brand-1) 0%, var(--brand-2) 100%);
  color: #ffffff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-2);
}

#generateButton:hover {
  filter: brightness(1.02);
}

#generateButton:active {
  transform: translateY(1px);
}

#generateButton:disabled {
  cursor: not-allowed;
  opacity: 0.65;
  box-shadow: none;
  filter: saturate(0.7);
}

#generateButton:disabled:hover {
  filter: saturate(0.7);
}

#nameInput:focus-visible,
#modeSelect:focus-visible,
#generateButton:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.hintText {
  margin: var(--space-2) 0 0;
  font-size: 0.89rem;
  color: var(--text-2);
}

.feedbackCard {
  margin-top: var(--space-5);
  border: 1px solid rgba(16, 34, 53, 0.12);
  border-radius: var(--radius-2);
  background: var(--surface-2);
  padding: var(--space-4);
  min-height: 7.25rem;
  display: grid;
  align-content: center;
}

.loadingText,
.errorText,
.resultText {
  margin: 0;
  line-height: 1.5;
}

.loadingText {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: #155b54;
  font-weight: 600;
}

.loadingText::before {
  content: "";
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid rgba(13, 122, 113, 0.2);
  border-top-color: var(--brand-1);
  animation: spin 700ms linear infinite;
  flex: 0 0 auto;
}

.errorText {
  color: var(--error-1);
  font-weight: 600;
  background: var(--error-bg);
  border: 1px solid #f8ced2;
  border-radius: 0.625rem;
  padding: var(--space-3);
}

.resultText {
  color: var(--text-1);
  font-size: 1.035rem;
}

.resultModeHint {
  margin: 0 0 var(--space-3);
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  padding: 0.2rem var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16, 34, 53, 0.2);
  background: var(--surface-3);
  color: var(--text-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.resultActions {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.secondaryAction {
  border: 1px solid rgba(16, 34, 53, 0.2);
  background: #ffffff;
  color: var(--text-1);
  border-radius: var(--radius-1);
  min-height: 2.45rem;
  padding: 0 var(--space-4);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: box-shadow 140ms ease, border-color 140ms ease, transform 120ms ease;
}

.secondaryAction:hover {
  border-color: rgba(16, 34, 53, 0.34);
}

.secondaryAction:active {
  transform: translateY(1px);
}

.secondaryAction:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.actionFeedback {
  margin: 0;
  font-size: 0.92rem;
  color: #216e34;
  font-weight: 600;
}

.actionFeedback[data-tone="error"] {
  color: var(--error-1);
}

.actionFeedback[data-tone="success"] {
  color: #216e34;
  font-weight: 600;
}

[hidden] {
  display: none !important;
}

@media (min-width: 42rem) {
  .page {
    padding: var(--space-7) var(--space-5);
  }

  .inputGroup {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  #generateButton {
    min-width: 14.5rem;
    padding: 0 var(--space-5);
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes rise {
  from {
    transform: translateY(8px);
    opacity: 0.7;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}