:root {
  color-scheme: light;
  --page-background: #f4f8f5;
  --surface: #fff;
  --text-color: #1c2b22;
  --muted-text: #4b5d51;
  --border-color: #cbd7ce;
  --card-border: #dce7df;
  --ticket-background: #f1f5f2;
  --consent-text: #34483a;
  --confirmation-color: #246b44;
  --accent-color: #2e8555;
  --accent-hover: #246b44;
  --accent-ring: rgba(46, 133, 85, 0.35);
  --accent-soft: rgba(60, 173, 110, 0.14);
  --button-text: #fff;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text-color);
  background: var(--page-background);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-background: #15171c;
  --surface: #20232b;
  --text-color: #edf0f6;
  --muted-text: #b8bfcc;
  --border-color: #454b59;
  --card-border: #363b47;
  --ticket-background: #292d37;
  --consent-text: #d3d7e0;
  --confirmation-color: #a6d8b6;
  --accent-color: #9bbcff;
  --accent-hover: #bfd2ff;
  --accent-ring: rgba(155, 188, 255, 0.4);
  --accent-soft: rgba(125, 158, 222, 0.12);
  --button-text: #17202c;
}

:root:not([data-theme]) {
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --page-background: #15171c;
    --surface: #20232b;
    --text-color: #edf0f6;
    --muted-text: #b8bfcc;
    --border-color: #454b59;
    --card-border: #363b47;
    --ticket-background: #292d37;
    --consent-text: #d3d7e0;
    --confirmation-color: #a6d8b6;
    --accent-color: #9bbcff;
    --accent-hover: #bfd2ff;
    --accent-ring: rgba(155, 188, 255, 0.4);
    --accent-soft: rgba(125, 158, 222, 0.12);
    --button-text: #17202c;
  }
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
}

button,
textarea,
input {
  font: inherit;
}

.page {
  min-height: 100vh;
  padding: 4rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background:
    radial-gradient(ellipse at 50% 0, var(--accent-soft), transparent 60%),
    var(--page-background);
}

.feedback-shell {
  width: min(100%, 680px);
}

.brand {
  margin: 0 auto 1.5rem;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: center;
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 0.75rem 2rem rgba(38, 48, 68, 0.08);
}

.brand-logo {
  width: min(100%, 30rem);
  height: auto;
  object-fit: contain;
}

:root[data-theme="dark"] .brand {
  border-color: var(--card-border);
  background: var(--surface);
  box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.16);
}

.brand-logo-dark {
  display: none;
}

:root[data-theme="dark"] .brand-logo-light {
  display: none;
}

:root[data-theme="dark"] .brand-logo-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .brand {
    border-color: var(--card-border);
    background: var(--surface);
    box-shadow: 0 0.75rem 2rem rgba(0, 0, 0, 0.16);
  }

  :root:not([data-theme]) .brand-logo-light {
    display: none;
  }

  :root:not([data-theme]) .brand-logo-dark {
    display: block;
  }
}

.card {
  width: 100%;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--card-border);
  border-radius: 1.25rem;
  background: var(--surface);
  box-shadow: 0 1rem 3rem rgba(24, 56, 38, 0.08);
}

.feedback-status {
  margin: 0 0 1.5rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--card-border);
  border-radius: 1rem;
  background: var(--surface);
  color: var(--text-color);
  line-height: 1.5;
}

.error-code {
  margin: 0 0 0.5rem;
  color: var(--accent-color);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.card-header {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.eyebrow {
  margin: 0;
  color: var(--accent-color);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.theme-toggle {
  min-height: 2.5rem;
  padding: 0.4rem 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-color);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}

.theme-toggle:hover {
  border-color: var(--accent-color);
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--accent-ring);
  outline-offset: 2px;
}

.theme-icon {
  font-size: 1rem;
  line-height: 1;
}

.ticket {
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  border-radius: 0.75rem;
  background: var(--ticket-background);
}

.ticket-label {
  color: var(--muted-text);
  font-size: 0.875rem;
  font-weight: 600;
}

.ticket-number {
  overflow-wrap: anywhere;
  font-weight: 700;
}

.title {
  margin: 0 0 0.5rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
}

.intro {
  margin: 0 0 2rem;
  color: var(--muted-text);
}

.rating-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
}

.ratings {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.rating-option {
  min-height: 6.5rem;
  padding: 0.75rem 0.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  cursor: pointer;
  text-align: center;
  transition:
    border-color 150ms ease,
    background-color 150ms ease,
    transform 150ms ease;
}

.rating-option:hover {
  transform: translateY(-2px);
  border-color: var(--accent-color);
}

.rating-option:focus-within {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.rating-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.rating-option.selected {
  border-color: var(--accent-color);
  background: var(--accent-soft);
}

.rating-option[data-rating="1"] .face {
  filter: hue-rotate(-55deg) saturate(1.6);
}

.rating-option[data-rating="2"] .face {
  filter: saturate(1.2);
}

.rating-option[data-rating="3"] .face {
  filter: hue-rotate(55deg) saturate(1.6);
}

.rating-option[data-rating="1"].selected {
  border-color: #d64545;
  background: rgba(214, 69, 69, 0.1);
}

.rating-option[data-rating="2"].selected {
  border-color: #d6a800;
  background: rgba(214, 168, 0, 0.12);
}

.rating-option[data-rating="3"].selected {
  border-color: #2e9b58;
  background: rgba(46, 155, 88, 0.1);
}

.face {
  font-size: 1.75rem;
  line-height: 1;
}

.rating-label {
  font-size: 0.75rem;
  font-weight: 600;
}

.comment-group {
  margin-top: 2rem;
}

.comment {
  width: 100%;
  min-height: 8rem;
  padding: 0.875rem 1rem;
  resize: vertical;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--surface);
  color: var(--text-color);
}

.comment:focus {
  border-color: var(--accent-color);
  outline: 2px solid var(--accent-ring);
}

.character-count {
  margin: 0.4rem 0 0;
  color: var(--muted-text);
  font-size: 0.8rem;
  text-align: right;
}

.consent-group {
  margin-top: 1.25rem;
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--consent-text);
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
}

.consent-label input {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  margin: 0.15rem 0 0;
  accent-color: var(--accent-color);
}

.actions {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.submit-button {
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 0;
  border-radius: 0.5rem;
  background: var(--accent-color);
  color: var(--button-text);
  cursor: pointer;
  font-weight: 700;
  transition: background-color 150ms ease;
}

.submit-button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.submit-button:focus-visible {
  outline: 3px solid var(--accent-ring);
  outline-offset: 2px;
}

.submit-button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.confirmation,
.error {
  margin: 0;
  font-weight: 600;
}

.confirmation {
  color: var(--confirmation-color);
}

.error {
  color: #b42318;
}

[hidden] {
  display: none !important;
}

@media (max-width: 480px) {
  .page {
    padding: 2rem 1rem;
  }
}