:root {
  --primary: #6750a4;
  --on-primary: #ffffff;
  --primary-container: #eaddff;
  --surface: #fffbff;
  --surface-container: #f3edf7;
  --surface-variant: #e7e0ec;
  --on-surface: #1d1b20;
  --on-surface-variant: #49454f;
  --outline: #79747e;
  --error: #ba1a1a;
  --error-container: #ffdad6;
  --on-error-container: #410002;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.14), 0 1px 3px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--surface);
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--on-surface);
  background: var(--surface);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

button {
  -webkit-tap-highlight-color: transparent;
}

.app-shell {
  width: min(100%, 520px);
  margin: 0 auto;
  padding: 28px 20px 24px;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: 22px;
  line-height: 1.18;
  font-weight: 700;
}

h2 {
  font-size: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.button,
.text-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  height: 44px;
  border-radius: 999px;
  padding: 0 16px;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  font-weight: 600;
  line-height: 1;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease, opacity 160ms ease;
}

.button:disabled {
  cursor: default;
  opacity: 0.68;
}

.button-outline {
  color: var(--primary);
  background: transparent;
  border-color: var(--outline);
}

.button-outline:active:not(:disabled) {
  background: rgba(103, 80, 164, 0.10);
}

.button-filled {
  color: var(--on-primary);
  background: var(--primary);
  border-color: var(--primary);
}

.button-filled:active:not(:disabled) {
  background: #5b4597;
}

.top-action {
  flex: 0 0 auto;
  height: 40px;
  padding-inline: 14px;
}

.input-table {
  width: 100%;
}

.table-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.05fr) minmax(78px, 0.7fr);
  gap: 6px;
  align-items: center;
}

.table-header {
  margin-bottom: 8px;
  color: var(--on-surface-variant);
  font-size: clamp(10px, 3.2vw, 14px);
  line-height: 1.15;
  font-weight: 700;
  text-align: center;
}

.rows-container {
  display: grid;
  gap: 8px;
}

.table-input {
  width: 100%;
  min-width: 0;
  height: 44px;
  padding: 0 8px;
  color: var(--on-surface);
  background: transparent;
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  outline: none;
}

.table-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.delete-cell {
  width: 100%;
  height: 44px;
  padding: 0;
  color: var(--on-error-container);
  background: var(--error-container);
  border: 1px solid var(--error);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
}

.action-stack {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.adaptive-actions {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(88px, 1fr);
  gap: 10px;
}

.adaptive-actions .button {
  width: 100%;
}

.secondary-action {
  padding-inline: 10px;
}

.hold-button.is-continuous {
  border-color: var(--error);
}

.hold-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--hold-progress, 0%);
  background: var(--error-container);
  pointer-events: none;
}

.button-text {
  position: relative;
  z-index: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.error-text {
  margin: 12px 0 0;
  color: var(--error);
  font-weight: 700;
}

.result-card {
  margin-top: 14px;
  padding: 16px;
  background: var(--surface-container);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.text-button {
  height: 38px;
  padding-inline: 10px;
  color: var(--primary);
  background: transparent;
  border: 0;
}

.text-button:active {
  background: rgba(103, 80, 164, 0.10);
}

.result-details,
#mainResult {
  display: grid;
  gap: 10px;
}

.result-details {
  margin-bottom: 10px;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.result-row span:first-child {
  min-width: 0;
}

.result-value {
  flex: 0 0 auto;
  color: var(--on-surface);
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
}

.result-row.is-main span:first-child,
.result-row.is-main .result-value {
  font-weight: 800;
}

.settings-dialog {
  width: min(calc(100% - 32px), 420px);
  padding: 0;
  color: var(--on-surface);
  background: transparent;
  border: 0;
}

.settings-dialog::backdrop {
  background: rgba(0, 0, 0, 0.38);
}

.dialog-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  background: var(--surface);
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.field {
  display: grid;
  gap: 6px;
  color: var(--on-surface-variant);
  font-size: 14px;
  font-weight: 600;
}

.field input {
  width: 100%;
  height: 48px;
  padding: 0 12px;
  color: var(--on-surface);
  background: transparent;
  border: 1px solid var(--outline);
  border-radius: var(--radius);
  outline: none;
}

.field input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary);
}

.dialog-error {
  margin: 0;
}

.dialog-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  z-index: 10;
  padding: 10px 14px;
  color: var(--on-primary);
  background: var(--primary);
  border-radius: 999px;
  font-weight: 700;
  box-shadow: var(--shadow);
}

[hidden] {
  display: none !important;
}

@media (max-width: 380px) {
  .app-shell {
    padding-inline: 14px;
  }

  .adaptive-actions {
    grid-template-columns: minmax(0, 1.45fr) minmax(82px, 1fr);
    gap: 8px;
  }

  .button {
    padding-inline: 12px;
    font-size: 14px;
  }

  .secondary-action {
    padding-inline: 8px;
  }
}

@media (max-width: 315px) {
  .adaptive-actions {
    grid-template-columns: 1fr;
  }
}