:root {
  color-scheme: light dark;
  --page: var(--tg-theme-bg-color, #f3f5f7);
  --card: var(--tg-theme-section-bg-color, #ffffff);
  --text: var(--tg-theme-text-color, #17212b);
  --muted: var(--tg-theme-hint-color, #6d7885);
  --accent: var(--tg-theme-button-color, #2a7de1);
  --accent-text: var(--tg-theme-button-text-color, #ffffff);
  --border: color-mix(in srgb, var(--muted) 30%, transparent);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 280px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--page);
}

.shell {
  width: min(100%, 44rem);
  margin: 0 auto;
  padding: max(1rem, env(safe-area-inset-top)) 1rem max(2rem, env(safe-area-inset-bottom));
}

.hero {
  padding: 0.75rem 0 1.25rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 8vw, 2.5rem);
  line-height: 1.08;
}

.subtitle {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.status,
.card {
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: var(--card);
  box-shadow: 0 0.5rem 1.5rem rgb(0 0 0 / 6%);
}

.status {
  margin-bottom: 0.8rem;
  padding: 0.85rem 1rem;
  color: var(--muted);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(max-content, 1fr));
  gap: 0.4rem;
  margin: 0 0 0.8rem;
  padding: 0.3rem;
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  background: var(--card);
  overflow-x: auto;
}

.tabs[hidden] {
  display: none;
}

.tab {
  min-height: 2.5rem;
  padding: 0.55rem 0.35rem;
  color: var(--muted);
  background: transparent;
  font-size: 0.84rem;
}

.tab.is-active {
  color: var(--accent-text);
  background: var(--accent);
}

.status[data-kind="success"] {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
}

.status[data-kind="error"] {
  color: var(--text);
  border-color: #b65a5a;
}

.card {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.section-heading h2,
.section-heading p {
  margin: 0;
}

.section-heading h2 {
  font-size: 1.2rem;
}

.section-heading p {
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.card[hidden] {
  display: none;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

legend {
  margin-bottom: 0.55rem;
  font-weight: 700;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.field {
  display: grid;
  min-width: 0;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 650;
}

.field small {
  display: block;
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 500;
}

input,
textarea,
button {
  width: 100%;
  border-radius: 0.75rem;
  font: inherit;
}

input,
textarea {
  min-height: 2.9rem;
  padding: 0.7rem 0.75rem;
  color: var(--text);
  border: 1px solid var(--border);
  background: var(--page);
}

textarea {
  resize: vertical;
}

input:focus-visible,
textarea:focus-visible,
button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 2px;
}

button {
  min-height: 3rem;
  padding: 0.75rem 1rem;
  color: var(--accent-text);
  border: 0;
  background: var(--accent);
  font-weight: 750;
  cursor: pointer;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.secondary-button {
  width: auto;
  min-height: 2.3rem;
  padding: 0.45rem 0.7rem;
  color: var(--accent);
  border: 1px solid var(--border);
  background: transparent;
  font-size: 0.8rem;
}

.history-list {
  display: grid;
  gap: 0.75rem;
}

.history-day {
  display: grid;
  gap: 0.55rem;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  background: var(--page);
}

.history-day h3,
.history-day p {
  margin: 0;
}

.history-day h3 {
  font-size: 1rem;
}

.history-empty {
  color: var(--muted);
  font-size: 0.85rem;
}

.history-record {
  display: grid;
  gap: 0.35rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--border);
}

.history-record:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.history-record-title {
  font-weight: 750;
}

.history-values {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

.history-edit {
  width: fit-content;
  min-height: 2.2rem;
  margin-top: 0.2rem;
  padding: 0.4rem 0.65rem;
  color: var(--accent);
  border: 1px solid var(--border);
  background: var(--card);
  font-size: 0.8rem;
}

.export-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.export-actions .secondary-button {
  width: 100%;
  min-height: 3rem;
}

@media (max-width: 390px) {
  .field-grid,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .secondary-button {
    width: 100%;
  }

  .export-actions {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: no-preference) {
  button {
    transition: opacity 120ms ease, transform 120ms ease;
  }

  button:active:not(:disabled) {
    transform: scale(0.99);
  }
}