:root {
  color-scheme: light;
  font-family: Arial, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  scrollbar-gutter: stable;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  --action-size: 54px;
  --shell-width: min(1080px, calc(100% - 32px));
  --black: #0b0c0c;
  --white: #ffffff;
  --grey-1: #505a5f;
  --grey-2: #b1b4b6;
  --grey-3: #f3f2f1;
  --focus: #ffdd00;
  --link: #1d70b8;
  --danger: #ca3535;
  --danger-dark: #982828;
  --success: #0f7a52;
  --progress: #8a5b00;
  --backdrop: rgba(11, 12, 12, 0.6);
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: var(--white);
  color: var(--black);
  font-size: 1rem;
  line-height: 1.5;
}

a,
.link-button {
  text-decoration-thickness: 2px;
  text-underline-offset: 0.18em;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 16px;
  z-index: 10;
  border: 2px solid var(--black);
  background: var(--white);
  color: var(--black);
  font-weight: 700;
  text-decoration: underline;
  padding: 12px 16px;
}

.skip-link:focus {
  left: 16px;
}

.page-header {
  background: var(--black);
  color: var(--white);
}

.page-header-inner {
  width: var(--shell-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.shell {
  width: var(--shell-width);
  margin: 0 auto;
  padding: 28px 0 max(72px, env(safe-area-inset-bottom));
}

.shell:focus-visible {
  outline: 4px solid var(--black);
  outline-offset: 3px;
  box-shadow: 0 0 0 7px var(--focus);
}

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

h1 {
  margin-bottom: 0;
  font-size: 1.25rem;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  margin-bottom: 12px;
  font-size: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
  line-height: 1.15;
}

.app-flow,
.capture-flow {
  display: grid;
  gap: 24px;
}

#login {
  max-width: 640px;
  margin-inline: auto;
}

.panel {
  border: 4px solid var(--black);
  background: var(--white);
  padding: 18px;
}

.form-group { margin-bottom: 20px; }

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 700;
}

.hint,
.muted,
.field-hint { color: var(--grey-1); }

.field-hint {
  margin: 6px 0 0;
  font-size: 0.9rem;
}

.input,
.textarea,
select {
  width: 100%;
  border: 2px solid var(--black);
  border-radius: 0;
  background: var(--white);
  color: var(--black);
  font: inherit;
  padding: 10px;
}

.textarea {
  min-height: 150px;
  resize: vertical;
}

.input[aria-invalid="true"],
.textarea[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: inset 6px 0 0 var(--danger);
}

.input:focus-visible,
.textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 4px solid var(--black);
  outline-offset: 3px;
  box-shadow: 0 0 0 7px var(--focus);
}

.page-header :focus-visible {
  outline-color: var(--focus);
  box-shadow: 0 0 0 7px var(--white);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 2px solid var(--black);
  border-radius: 0;
  background: var(--black);
  color: var(--white);
  font: inherit;
  font-weight: 700;
  text-align: center;
  padding: 10px 18px;
  cursor: pointer;
  transition: background-color 0.1s ease-out, color 0.1s ease-out, border-color 0.1s ease-out, transform 0.1s ease-out;
}

.button:hover:not(:disabled):not(.is-disabled) {
  background: var(--white);
  color: var(--black);
}

.button:active:not(:disabled):not(.is-disabled) { transform: translateY(2px); }

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.button.is-disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.button.secondary {
  background: var(--white);
  color: var(--black);
}

.button.secondary:hover:not(:disabled):not(.is-disabled) {
  background: var(--black);
  color: var(--white);
}

.button.danger {
  border-color: var(--danger);
  background: var(--danger);
  color: var(--white);
}

.button.danger:hover:not(:disabled):not(.is-disabled) {
  border-color: var(--danger-dark);
  background: var(--danger-dark);
  color: var(--white);
}

.primary-action { width: 100%; }

.action-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--action-size) var(--action-size);
  gap: 8px;
  align-items: stretch;
}

.action-row > .button {
  height: var(--action-size);
  min-height: var(--action-size);
}

.compact-action {
  min-height: 42px;
  padding: 8px 12px;
}

.button.icon-action {
  display: inline-grid;
  height: var(--action-size);
  min-height: var(--action-size);
  min-width: var(--action-size);
  position: relative;
  width: var(--action-size);
  overflow: hidden;
  place-items: center;
  padding: 0;
}

.button.icon-action.is-disabled {
  background: var(--black);
  color: var(--white);
  opacity: 1;
}

.icon-action svg {
  display: block;
  width: 24px;
  height: 24px;
  fill: currentColor;
  pointer-events: none;
}

.button.icon-action.recording,
.button.icon-action.recording:hover:not(:disabled):not(.is-disabled) {
  border-color: var(--danger);
  background: var(--danger);
  color: var(--white);
}

.action-row .primary-action { width: 100%; }

.mode-panel { min-width: 0; }

.link-button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  border: 0;
  background: transparent;
  color: var(--link);
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  padding: 8px 4px;
}

.link-button:hover { text-decoration-thickness: 4px; }

.page-header .link-button { color: var(--white); }

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.section-heading.stacked {
  display: block;
}

.section-heading:not(.stacked) h2 { margin-bottom: 0; }

.section-heading .hint,
.section-heading.stacked .hint { margin-bottom: 0; }

.mode-panel > .status { margin-top: 14px; }

.status {
  min-height: 1.5em;
  margin: 0 0 14px;
  border-inline-start: 6px solid var(--black);
  background: var(--grey-3);
  font-weight: 700;
  padding: 10px 14px;
}

.status:empty { display: none; }

.status:last-child { margin-bottom: 0; }

.status[data-state="progress"] {
  border-inline-start-color: var(--progress);
  color: var(--progress);
}

.status[data-state="error"] {
  border-inline-start-color: var(--danger);
  color: var(--danger-dark);
}

.status[data-state="success"] {
  border-inline-start-color: var(--success);
  color: var(--success);
}

.text-error {
  color: var(--danger-dark);
  font-weight: 700;
}

.tag {
  display: inline-flex;
  background: var(--grey-3);
  color: var(--grey-1);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 10px;
}

.list:empty { display: none; }

.expense {
  border-top: 2px solid var(--grey-2);
  padding-top: 16px;
  margin-top: 16px;
}

.expense:first-child {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.expense-title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
  overflow-wrap: break-word;
}

.expense-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 4px 0 12px;
  color: var(--grey-1);
  font-variant-numeric: tabular-nums;
}

.expense-actions,
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.expense[data-state="success"] {
  border-inline-start: 6px solid var(--success);
  padding-inline-start: 14px;
}

.expense[data-state="progress"] {
  border-inline-start: 6px solid var(--progress);
  padding-inline-start: 14px;
}

.expense[data-state="error"] {
  border-inline-start: 6px solid var(--danger);
  padding-inline-start: 14px;
}

.tag[data-state="progress"] {
  background: var(--progress);
  color: var(--white);
}

.tag[data-state="success"] {
  background: var(--success);
  color: var(--white);
}

.tag[data-state="error"] {
  background: var(--danger);
  color: var(--white);
}

.edit-dialog {
  width: min(480px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  overscroll-behavior: contain;
  border: 4px solid var(--black);
  padding: 0;
}

.edit-dialog::backdrop {
  background: var(--backdrop);
}

.edit-dialog-inner { padding: 18px; }

.dialog-delete {
  border-top: 2px solid var(--grey-2);
  margin-top: 20px;
  padding-top: 16px;
}

.delete-confirm-question {
  margin-bottom: 10px;
  font-weight: 700;
}

.hidden,
[hidden] { display: none !important; }

@media (max-width: 520px) {
  :root { --shell-width: min(100% - 24px, 1080px); }

  .shell { padding-top: 16px; }

  .panel,
  .edit-dialog-inner { padding: 20px 22px; }

  .add-panel { padding-top: 18px; }

  .hint { margin-bottom: 14px; }

  .button,
  .primary-action { width: 100%; }

  .button.icon-action {
    width: var(--action-size);
  }

  .expense-actions .button { width: auto; }

}

@media (min-width: 820px) {
  .shell { padding-top: 32px; }

  .app-flow {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 400px);
    gap: 32px;
    align-items: start;
  }

  .capture-flow { gap: 24px; }

  .panel,
  .edit-dialog-inner { padding: 24px; }

  .latest-panel {
    position: sticky;
    top: 24px;
  }

  .primary-action { width: auto; }

  .action-row .primary-action { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  .icon-action svg {
    transition: transform 0.18s cubic-bezier(0.2, 0, 0, 1);
  }

  .icon-action.recording svg { transform: scale(0.88); }

  .expense[data-state="success"],
  .expense[data-state="progress"] {
    animation: expense-enter 0.22s cubic-bezier(0.2, 0, 0, 1) both;
  }

  .edit-dialog[open] {
    animation: dialog-enter 0.18s cubic-bezier(0.2, 0, 0, 1) both;
  }

  .edit-dialog[open]::backdrop {
    animation: backdrop-enter 0.18s ease-out both;
  }
}

@keyframes expense-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes dialog-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes backdrop-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

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