:root {
  color-scheme: light;
  --canvas: #f8fafc;
  --sidebar: #f1f5f9;
  --surface: #ffffff;
  --surface-hover: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --border: #cbd5e1;
  --border-strong: #94a3b8;
  --accent: #6d28d9;
  --accent-hover: #5b21b6;
  --accent-soft: #ede9fe;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --success: #047857;
  --warning: #a16207;
  --warning-soft: #fef3c7;
  --focus: #7c3aed;
  --on-accent: #ffffff;
  --on-danger: #ffffff;
  --overlay: rgba(15, 23, 42, 0.58);
  --shadow: 0 16px 50px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.08);
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sidebar-width: 292px;
  --toolbar-height: 64px;
  --result-width: 190px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --canvas: #0f172a;
  --sidebar: #111827;
  --surface: #1e293b;
  --surface-hover: #334155;
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border: #334155;
  --border-strong: #64748b;
  --accent: #c4b5fd;
  --accent-hover: #ddd6fe;
  --accent-soft: #312e81;
  --danger: #fca5a5;
  --danger-soft: #450a0a;
  --success: #6ee7b7;
  --warning: #fde68a;
  --warning-soft: #422006;
  --focus: #c4b5fd;
  --on-accent: #2e1065;
  --on-danger: #450a0a;
  --overlay: rgba(2, 6, 23, 0.72);
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.48), 0 2px 8px rgba(0, 0, 0, 0.32);
}

*, *::before, *::after { box-sizing: border-box; }
html, body, #root { width: 100%; min-height: 100%; margin: 0; }
body { overflow: hidden; background: var(--canvas); color: var(--text); font: 14px/1.5 var(--font-ui); }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
a { color: inherit; }
.ui-icon { display: block; width: 18px; height: 18px; flex: 0 0 auto; }
.mobile-only, .mobile-view-toggle { display: none; }

/* Shell and sidebar */
.app-shell { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); width: 100vw; height: 100dvh; background: var(--canvas); }
.sidebar { position: relative; z-index: 20; display: flex; min-width: 0; min-height: 0; height: 100dvh; flex-direction: column; overflow: hidden; border-right: 1px solid var(--border); background: var(--sidebar); }
.sidebar-header { display: flex; height: var(--toolbar-height); flex: 0 0 auto; align-items: center; justify-content: space-between; padding: 0 18px; }
.brand { display: inline-flex; min-height: 40px; align-items: center; padding: 0; border: 0; background: transparent; cursor: pointer; }
.brand-wordmark { color: var(--text); font-size: 17px; font-weight: 750; letter-spacing: -0.035em; }
.login-card .brand-wordmark { margin-bottom: 26px; font-size: 19px; }
.search-box { display: flex; height: 42px; flex: 0 0 auto; align-items: center; gap: 8px; margin: 0 12px 10px; padding: 0 10px; border: 1px solid var(--border); border-radius: 3px; background: var(--surface); color: var(--text-secondary); }
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.search-box input { min-width: 0; flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 13px; }
.search-box input::placeholder { color: var(--text-tertiary); }
.sort-select { width: 72px; border: 0; outline: 0; background: transparent; color: var(--text-secondary); font-size: 12px; cursor: pointer; }
.selection-toolbar { display: flex; min-height: 32px; flex: 0 0 auto; align-items: center; justify-content: flex-end; gap: 8px; padding: 0 12px 5px; color: var(--text-secondary); font-size: 12px; }
.selection-toolbar:empty { min-height: 0; padding-bottom: 0; }
.selection-toolbar.is-selecting { justify-content: space-between; }
.selection-toolbar strong { color: var(--text); font-size: 12px; font-weight: 700; }
.selection-toolbar span { display: flex; align-items: center; gap: 2px; }
.selection-toolbar button { min-height: 30px; padding: 0 7px; border: 0; background: transparent; color: var(--text-secondary); font-size: 12px; font-weight: 650; cursor: pointer; }
.selection-toolbar button:hover:not(:disabled) { background: var(--surface-hover); color: var(--text); }
.selection-toolbar button:disabled { opacity: 0.45; cursor: default; }
.sheet-list { min-height: 0; flex: 1 1 0; padding: 0 7px; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; touch-action: pan-y; -webkit-overflow-scrolling: touch; }
.sheet-row { position: relative; display: flex; min-height: 62px; align-items: center; margin: 1px 0; border-radius: 0; }
.sheet-row:hover { background: var(--surface-hover); }
.sheet-row.selected { background: var(--accent-soft); box-shadow: inset 3px 0 var(--accent); }
.sheet-row.multi-selected { background: var(--accent-soft); box-shadow: inset 3px 0 var(--accent); }
.sheet-check { display: grid; width: 42px; align-self: stretch; flex: 0 0 auto; place-items: center; cursor: pointer; }
.sheet-check input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.sheet-check span { display: grid; width: 18px; height: 18px; place-items: center; border: 1.5px solid var(--border-strong); background: var(--surface); }
.sheet-check input:checked + span { border-color: var(--accent); background: var(--accent); }
.sheet-check input:checked + span::after { width: 9px; height: 5px; border-bottom: 2px solid var(--on-accent); border-left: 2px solid var(--on-accent); content: ""; transform: translateY(-1px) rotate(-45deg); }
.sheet-check input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 2px; }
.sheet-select { display: flex; min-width: 0; align-self: stretch; flex: 1; flex-direction: column; justify-content: center; gap: 3px; padding: 9px 46px 9px 12px; overflow: hidden; border: 0; background: transparent; text-align: left; cursor: pointer; }
.sheet-list.selecting .sheet-select { padding-right: 12px; padding-left: 0; }
.sheet-title-line { display: flex; min-width: 0; align-items: center; gap: 6px; }
.sheet-title, .sheet-preview { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sheet-title { color: var(--text); font-size: 14px; font-weight: 650; letter-spacing: -0.01em; }
.sheet-preview { color: var(--text-secondary); font-size: 12px; }
.pinned-indicator { display: inline-flex; flex: 0 0 auto; color: var(--accent); }
.pinned-indicator .ui-icon { width: 14px; height: 14px; stroke-width: 2; }
.sheet-menu-trigger { position: absolute; right: 7px; width: 34px; height: 34px; opacity: 0; }
.sheet-row:hover .sheet-menu-trigger, .sheet-row:focus-within .sheet-menu-trigger, .sheet-menu-trigger[aria-expanded="true"] { opacity: 1; }
.sidebar-empty { padding: 48px 16px; color: var(--text-tertiary); text-align: center; }
.trash-retention-note { margin: 16px 10px 24px; color: var(--text-tertiary); font-size: 11px; line-height: 1.45; text-align: center; }
.new-sheet-button { display: inline-flex; min-height: 42px; flex: 0 0 auto; align-items: center; justify-content: center; gap: 7px; margin: 8px 12px 10px; padding: 0 14px; border: 1px solid var(--accent); border-radius: 3px; background: var(--accent); color: var(--on-accent); font-size: 13px; font-weight: 700; cursor: pointer; }
.new-sheet-button:hover { background: var(--accent-hover); }
.new-sheet-button.empty-trash-button { border-color: var(--danger); background: transparent; color: var(--danger); }
:root[data-theme="dark"] .new-sheet-button.empty-trash-button { color: var(--danger); }
.new-sheet-button.empty-trash-button:hover:not(:disabled) { background: var(--danger-soft); }
.new-sheet-button:disabled { opacity: 0.48; cursor: default; }
.new-sheet-button[hidden], .selection-action-bar[hidden] { display: none; }
.selection-action-bar { display: grid; min-height: 42px; flex: 0 0 auto; grid-template-columns: 1fr 1fr; gap: 6px; margin: 8px 12px 10px; }
.selection-action-bar button { display: inline-flex; min-width: 0; align-items: center; justify-content: center; gap: 6px; padding: 0 8px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); font-size: 12px; font-weight: 700; cursor: pointer; }
.selection-action-bar button:hover:not(:disabled) { border-color: var(--accent); background: var(--accent-soft); }
.selection-action-bar button.danger { border-color: var(--danger); color: var(--danger); }
.selection-action-bar button.danger:hover:not(:disabled) { background: var(--danger-soft); }
.selection-action-bar button:disabled { opacity: 0.45; cursor: default; }
.selection-action-bar .ui-icon { width: 16px; height: 16px; }
.library-nav { display: flex; flex: 0 0 auto; gap: 2px; padding: 7px 9px calc(8px + env(safe-area-inset-bottom)); border-top: 1px solid var(--border); }
.library-nav button { display: flex; min-height: 40px; flex: 1; align-items: center; justify-content: center; gap: 5px; padding: 6px 3px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--text-secondary); font-size: 12px; cursor: pointer; }
.library-nav button:hover { color: var(--text); }
.library-nav button.active { border-bottom-color: var(--accent); color: var(--accent); font-weight: 700; }

/* Top bar */
.workspace { display: flex; min-width: 0; height: 100dvh; flex-direction: column; background: var(--canvas); }
.toolbar { z-index: 5; display: flex; min-height: var(--toolbar-height); align-items: center; justify-content: space-between; gap: 16px; padding: 0 22px; border-bottom: 1px solid var(--border); background: var(--surface); }
.toolbar-leading { display: flex; min-width: 0; flex: 1; align-items: center; gap: 8px; }
.title-input { width: min(390px, 100%); border: 0; outline: 0; background: transparent; color: var(--text); font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }
.title-input::placeholder { color: var(--text-tertiary); }
.toolbar-actions { display: flex; align-items: center; gap: 10px; }
.sync-status { display: flex; width: 88px; align-items: center; gap: 6px; white-space: nowrap; color: var(--success); font-size: 12px; font-weight: 650; }
.sync-status > span:first-child { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: currentColor; }
.sync-unsaved, .sync-waiting, .sync-auth-required { color: var(--warning); }
.sync-error, .sync-save-error { color: var(--danger); }
.sync-offline { color: var(--text-tertiary); }
.segmented { display: flex; align-self: stretch; gap: 20px; }
.segmented button { position: relative; display: inline-flex; align-items: center; padding: 0 1px; border: 0; background: transparent; color: var(--text-secondary); font-size: 13px; font-weight: 600; cursor: pointer; }
.segmented button::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: transparent; content: ""; }
.segmented button:hover { color: var(--text); }
.segmented button.active { color: var(--text); }
.segmented button.active::after { background: var(--accent); }
.toolbar-sheet-button, .toolbar-user-button { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; gap: 6px; padding: 0 7px; border: 0; background: transparent; color: var(--text-secondary); font-size: 13px; font-weight: 650; cursor: pointer; }
.toolbar-sheet-button:hover, .toolbar-sheet-button[aria-expanded="true"], .toolbar-user-button:hover, .toolbar-user-button[aria-expanded="true"] { color: var(--text); background: var(--surface-hover); }
.toolbar-sheet-button .ui-icon:first-child { width: 18px; height: 18px; }
.toolbar-sheet-button .ui-icon:last-child { width: 14px; height: 14px; }
.toolbar-user-button .ui-icon:first-child { width: 19px; height: 19px; color: var(--accent); }
.toolbar-user-button .ui-icon:last-child { width: 14px; height: 14px; }
.icon-button { display: inline-grid; width: 38px; height: 38px; flex: 0 0 auto; place-items: center; padding: 0; border: 0; border-radius: 2px; background: transparent; color: var(--text-secondary); cursor: pointer; }
.icon-button:hover, .icon-button[aria-expanded="true"] { background: var(--surface-hover); color: var(--text); }
.icon-button.mobile-only, .icon-button.mobile-view-toggle { display: none; }

/* Editor and summary */
.document-area { min-height: 0; flex: 1; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; touch-action: pan-y; -webkit-overflow-scrolling: touch; }
.native-editor { position: relative; width: min(980px, calc(100% - 56px)); min-height: calc(100dvh - var(--toolbar-height)); margin: 0 auto; padding: 34px 0 80px; }
.calculator-textarea { position: absolute; z-index: 2; top: 34px; left: 0; width: calc(100% - var(--result-width)); min-height: calc(100dvh - var(--toolbar-height) - 114px); padding: 0 10px 0 50px; resize: none; overflow: hidden; border: 0; outline: 0; background: transparent; color: transparent; -webkit-text-fill-color: transparent; caret-color: var(--accent); font-family: var(--font-mono); font-size: 16px; font-weight: 450; line-height: 1.8; letter-spacing: -0.015em; white-space: pre-wrap; overflow-wrap: anywhere; }
.calculator-textarea:focus, .calculator-textarea:focus-visible { outline: 0; box-shadow: none; }
.calculator-textarea::selection { background: color-mix(in srgb, var(--accent) 28%, transparent); }
.calculator-textarea::placeholder { color: var(--text-tertiary); -webkit-text-fill-color: var(--text-tertiary); }
.editor-lines { min-height: calc(100dvh - var(--toolbar-height) - 114px); pointer-events: none; user-select: none; }
.editor-line { display: grid; grid-template-columns: minmax(0, 1fr) var(--result-width); min-height: 28.8px; border-radius: 0; }
.line-source { position: relative; min-width: 0; min-height: 28.8px; padding: 0 10px 0 50px; color: var(--text); font-family: var(--font-mono); font-size: 16px; font-weight: 450; line-height: 1.8; letter-spacing: -0.015em; white-space: pre-wrap; overflow-wrap: anywhere; }
.line-gutter { position: absolute; top: 0; left: 5px; width: 38px; color: var(--text-tertiary); font-family: var(--font-ui); font-size: 10px; font-weight: 750; line-height: 28.8px; letter-spacing: 0.06em; text-align: center; }
.line-heading { box-shadow: inset 3px 0 color-mix(in srgb, var(--accent) 82%, transparent); }
.line-heading .line-source-text { font-weight: 700; }
.line-heading .line-gutter { color: var(--accent); }
.heading-level-1 { background: var(--accent-soft); }
.heading-level-2 { background: color-mix(in srgb, var(--accent-soft) 72%, transparent); }
.heading-level-3 { background: color-mix(in srgb, var(--accent-soft) 48%, transparent); }
.heading-level-4, .heading-level-5, .heading-level-6 { background: color-mix(in srgb, var(--accent-soft) 28%, transparent); }
.heading-level-2 .line-gutter { opacity: 0.9; }
.heading-level-3 .line-gutter { opacity: 0.8; }
.heading-level-4 .line-gutter { opacity: 0.72; }
.heading-level-5 .line-gutter { opacity: 0.64; }
.heading-level-6 .line-gutter { opacity: 0.56; }
.line-subtotal { box-shadow: inset 0 1px var(--border-strong); }
.line-subtotal .line-source-text { font-weight: 650; }
.line-total { background: var(--accent-soft); box-shadow: inset 0 2px var(--accent); }
.line-total .line-source-text { color: var(--accent); font-weight: 750; }
.line-total .line-gutter { font-size: 8px; letter-spacing: 0.02em; }
.result-line { display: flex; min-width: 0; min-height: 28.8px; align-items: baseline; justify-content: flex-end; gap: 6px; padding-left: 18px; overflow: hidden; color: var(--text-secondary); font-family: var(--font-mono); font-size: 14px; font-weight: 600; line-height: 28.8px; white-space: nowrap; text-align: right; }
.result-value { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.result-line small { flex: 0 0 auto; color: var(--warning); font-family: var(--font-ui); font-size: 10px; font-weight: 700; line-height: 1; text-transform: lowercase; }
.result-line.error { color: var(--danger); font-size: 12px; }
.line-subtotal .result-line { color: var(--text); font-weight: 700; }
.line-total .result-line { color: var(--accent); font-weight: 800; }
.summary-wrap { width: min(900px, calc(100% - 56px)); margin: 0 auto; padding: 46px 0 80px; }
.summary-intro { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.eyebrow { margin: 0 0 5px; color: var(--text-tertiary); font-size: 11px; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.summary-intro h2 { margin: 0; font-size: 28px; line-height: 1.15; letter-spacing: -0.035em; }
.summary-total { display: grid; justify-items: end; gap: 2px; }
.summary-total small { color: var(--text-secondary); font-size: 12px; }
.summary-total strong { font-family: var(--font-mono); font-size: 20px; }
.summary-table-wrap { overflow: auto; border: 1px solid var(--border); background: var(--surface); }
.summary-table { width: 100%; border-collapse: collapse; }
.summary-table th { padding: 10px 13px; border-bottom: 1px solid var(--border); color: var(--text-secondary); font-size: 11px; font-weight: 750; letter-spacing: 0.05em; text-align: left; text-transform: uppercase; }
.summary-table td { padding: 12px 13px; border-bottom: 1px solid var(--border); color: var(--text-secondary); font-size: 13px; }
.summary-table tbody tr:last-child td { border-bottom: 0; }
.summary-table td:first-child { color: var(--text); font-weight: 600; }
.summary-table td small { display: block; color: var(--text-tertiary); font-weight: 450; }
.summary-table .money { color: var(--text); font-family: var(--font-mono); font-weight: 700; text-align: right; }
.summary-empty { display: grid; min-height: 320px; place-items: center; align-content: center; color: var(--text-secondary); text-align: center; }
.summary-empty h2 { margin: 0 0 6px; color: var(--text); font-size: 20px; }
.summary-empty p { margin: 0; }

/* Menus and dialogs */
#menu-root { position: relative; z-index: 160; }
.popover-menu { position: fixed; z-index: 160; width: min(250px, calc(100vw - 16px)); padding: 5px; border: 1px solid var(--border); border-radius: 3px; background: var(--surface); box-shadow: var(--shadow); }
.popover-menu [role="menuitem"] { display: flex; width: 100%; min-height: 40px; align-items: center; gap: 10px; padding: 8px 10px; border: 0; border-radius: 2px; background: transparent; color: var(--text); font-size: 13px; text-align: left; cursor: pointer; }
.popover-menu [role="menuitem"]:hover, .popover-menu [role="menuitem"]:focus-visible { outline: 0; background: var(--surface-hover); }
.popover-menu [role="menuitem"]:disabled { color: var(--text-tertiary); cursor: default; }
.popover-menu [role="menuitem"] .ui-icon { color: var(--text-secondary); }
.popover-menu .danger-menu-item, .popover-menu .danger-menu-item .ui-icon { color: var(--danger); }
.menu-separator { height: 1px; margin: 5px 7px; background: var(--border); }
.modal-backdrop { position: fixed; z-index: 100; inset: 0; display: flex; align-items: center; justify-content: center; padding: 24px; background: var(--overlay); }
.modal { width: min(620px, 100%); max-height: calc(100dvh - 48px); padding: 24px; overflow: auto; border: 1px solid var(--border); border-radius: 4px; background: var(--surface); box-shadow: var(--shadow); }
.modal > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.modal h2 { margin: 0; color: var(--text); font-size: 20px; font-weight: 750; line-height: 1.2; letter-spacing: -0.025em; }
.dialog-copy { margin: 0 0 18px; color: var(--text-secondary); font-size: 13px; line-height: 1.55; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.secondary-button, .primary-button, .danger-button { display: inline-flex; min-height: 38px; align-items: center; justify-content: center; gap: 7px; padding: 8px 12px; border-radius: 3px; font-size: 13px; font-weight: 650; cursor: pointer; }
.secondary-button { border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.secondary-button:hover { border-color: var(--border-strong); background: var(--surface-hover); }
.primary-button { border: 1px solid var(--accent); background: var(--accent); color: var(--on-accent); }
.primary-button:hover { background: var(--accent-hover); }
.danger-button { border: 1px solid var(--danger); background: var(--danger); color: var(--on-danger); }
.danger-button:hover { filter: brightness(0.94); }
.secondary-button:disabled, .primary-button:disabled { opacity: 0.52; cursor: default; }
.primary-button.compact { min-height: 38px; }
.danger-link { display: inline-flex; min-height: 38px; align-items: center; padding: 0; border: 0; background: transparent; color: var(--danger); font-size: 13px; font-weight: 650; cursor: pointer; }
.danger-link:hover { text-decoration: underline; }

/* Settings */
.redesigned-settings { display: flex; width: min(840px, 100%); height: min(650px, calc(100dvh - 48px)); flex-direction: column; overflow: hidden; }
.redesigned-settings > header { flex: 0 0 auto; margin: 0; padding-bottom: 18px; }
.settings-layout { display: grid; min-height: 0; flex: 1; grid-template-columns: 205px minmax(0, 1fr); margin: 0 -24px -24px; border-top: 1px solid var(--border); }
.settings-nav { display: flex; flex-direction: column; gap: 2px; padding: 12px 9px; overflow-y: auto; border-right: 1px solid var(--border); background: var(--sidebar); }
.settings-nav button { display: flex; min-height: 41px; align-items: center; gap: 9px; padding: 8px 10px; border: 0; border-radius: 0; background: transparent; color: var(--text-secondary); font-size: 13px; text-align: left; cursor: pointer; }
.settings-nav button:hover { background: var(--surface-hover); color: var(--text); }
.settings-nav button.active { background: var(--accent-soft); color: var(--accent); font-weight: 700; box-shadow: inset 3px 0 var(--accent); }
.settings-page { min-height: 0; padding: 28px 32px 38px; overflow-y: auto; }
.settings-page-heading { margin-bottom: 26px; }
.settings-page-heading h3 { margin: 0 0 5px; font-size: 20px; font-weight: 750; line-height: 1.2; letter-spacing: -0.025em; }
.settings-page-heading p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.preference-group + .preference-group { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); }
.preference-group h4 { margin: 0 0 7px; font-size: 14px; font-weight: 700; }
.preference-group > p { margin: 0 0 15px; color: var(--text-secondary); font-size: 13px; line-height: 1.55; }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.choice-grid button { display: flex; min-height: 76px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 4px; padding: 11px; border: 1px solid var(--border); border-radius: 3px; background: var(--surface); color: var(--text-secondary); text-align: left; cursor: pointer; }
.choice-grid button strong { color: var(--text); font-size: 13px; }
.choice-grid button small { font-size: 12px; }
.choice-grid button.selected, .format-choice-list button.selected { border-color: var(--accent); background: var(--accent-soft); }
.format-choice-list { display: grid; gap: 6px; }
.format-choice-list button { display: flex; min-height: 52px; align-items: center; justify-content: space-between; padding: 10px 12px; border: 1px solid var(--border); border-radius: 3px; background: var(--surface); color: var(--text); text-align: left; cursor: pointer; }
.format-choice-list button > span, .settings-row > span, .data-action > span { display: flex; min-width: 0; flex-direction: column; align-items: flex-start; gap: 2px; }
.format-choice-list small, .settings-row small, .data-action small { color: var(--text-secondary); font-size: 12px; font-weight: 450; }
.settings-row, .data-action { display: grid; min-height: 66px; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px; border-top: 1px solid var(--border); }
.data-action { grid-template-columns: auto minmax(0, 1fr) auto; }
.data-action > .ui-icon { color: var(--accent); }
.settings-form { max-width: 420px; }
.settings-form .secondary-button { justify-self: start; }
.settings-save { display: flex; justify-content: flex-end; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.account-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.empty-settings { color: var(--text-secondary); }
.backup-reminder { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.backup-reminder > label { grid-column: 1 / -1; font-weight: 700; }
.backup-reminder > span, .backup-reminder small { color: var(--text-secondary); }
.backup-reminder input { width: 66px; min-height: 36px; margin: 0 4px; text-align: center; }
.backup-reminder small { grid-column: 1 / -1; }
.retention-list { display: grid; gap: 8px; margin: 12px 0 0; padding-left: 20px; color: var(--text-secondary); font-size: 13px; line-height: 1.5; }
.retention-list strong { color: var(--text); }

/* Forms, transfer, restore, and admin */
.form-stack { display: grid; gap: 14px; }
.form-stack label, .standalone-field { display: grid; gap: 6px; color: var(--text-secondary); font-size: 13px; font-weight: 600; }
.form-stack input, .standalone-field input, .inline-form input, .inline-form select { min-width: 0; min-height: 42px; padding: 0 11px; border: 1px solid var(--border-strong); border-radius: 3px; background: var(--surface); color: var(--text); }
.form-stack input:focus, .standalone-field input:focus, .inline-form input:focus, .inline-form select:focus { border-color: var(--accent); }
.form-stack .primary-button { width: 100%; }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; }
.inline-form input, .inline-form select { flex: 1; }
.auth-message { min-height: 20px; margin: 0; color: var(--danger); font-size: 13px; }
.muted { color: var(--text-secondary); }
code, .totp-secret { font-family: var(--font-mono); }
.totp-secret { display: block; margin: 16px 0; padding: 12px; border: 1px solid var(--border); background: var(--canvas); font-size: 16px; overflow-wrap: anywhere; }
.rate-entry input:first-child { flex: 0 0 78px; text-transform: uppercase; }
.rate-list { display: grid; }
.rate-row, .admin-user { display: flex; min-height: 56px; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; border-top: 1px solid var(--border); }
.rate-row span { display: grid; gap: 2px; }
.rate-row small, .admin-user small { color: var(--text-secondary); }
.admin-user > span:last-child { display: flex; gap: 6px; }
.generated-link { margin-top: 12px; padding: 10px; border: 1px solid var(--border); background: var(--canvas); font: 12px/1.5 var(--font-mono); overflow-wrap: anywhere; }
.transfer-panel { display: grid; }
.transfer-section { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: start; gap: 14px; padding: 18px 0; }
.transfer-section + .transfer-section { border-top: 1px solid var(--border); }
.transfer-section h3 { margin: 0 0 4px; font-size: 14px; }
.transfer-section p { margin: 0; color: var(--text-secondary); font-size: 13px; }
.transfer-icon { display: grid; width: 36px; height: 36px; place-items: center; border: 1px solid var(--border); color: var(--accent); }
.transfer-formats { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.restore-dialog { width: min(620px, 100%); }
.restore-bulk-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; color: var(--text-secondary); font-size: 12px; }
.restore-bulk-actions > span:last-child { display: flex; gap: 6px; }
.restore-preview { display: grid; max-height: min(52vh, 520px); gap: 4px; margin: 0 0 20px; padding: 10px 12px 10px 30px; overflow: auto; border: 1px solid var(--border); background: var(--canvas); }
.restore-sheet-row { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: start; gap: 10px; padding: 8px 0; cursor: pointer; }
.restore-sheet-row + .restore-sheet-row { border-top: 1px solid var(--border); }
.restore-sheet-row input { margin-top: 3px; }
.restore-sheet-row span { display: grid; gap: 2px; }
.restore-sheet-row small { color: var(--text-secondary); }

/* Login and feedback */
.login-page, .startup-error-page { display: grid; min-height: 100dvh; place-items: center; padding: 24px; background: var(--canvas); }
.login-card, .startup-error-card { width: min(420px, 100%); padding: 38px; border: 1px solid var(--border); border-radius: 4px; background: var(--surface); box-shadow: var(--shadow); }
.login-card h1, .startup-error-card h1 { margin: 0 0 8px; font-size: 28px; line-height: 1.15; letter-spacing: -0.04em; }
.login-card > .muted { margin: 0 0 26px; }
.startup-error-card p { color: var(--text-secondary); }
.toast-region { position: fixed; z-index: 200; right: 20px; bottom: 20px; }
.toast { min-height: 42px; padding: 9px 13px; border: 1px solid var(--border); border-radius: 3px; background: var(--surface); color: var(--text); box-shadow: var(--shadow); cursor: pointer; }
.reauth-banner, .conflict-banner { padding: 10px 14px; border-bottom: 1px solid var(--warning); background: var(--warning-soft); color: var(--warning); }

@media (max-width: 720px) {
  :root { --result-width: 112px; }
  .app-shell { display: block; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(90vw, 340px); visibility: hidden; transform: translateX(-102%); transition: transform 160ms ease, visibility 0s linear 160ms; box-shadow: var(--shadow); }
  .sidebar.open { visibility: visible; transform: translateX(0); transition-delay: 0s; }
  .sidebar-scrim { position: fixed; z-index: 15; inset: 0; background: var(--overlay); cursor: pointer; }
  .sidebar-scrim[hidden] { display: none; }
  .icon-button.mobile-only, .icon-button.mobile-view-toggle { display: inline-grid; }
  .sheet-menu-trigger { width: 38px; height: 38px; opacity: 1; }
  .workspace { width: 100%; }
  .toolbar { gap: 5px; padding: 0 8px; }
  .toolbar-leading { gap: 3px; }
  .title-input { min-width: 0; font-size: 14px; }
  .toolbar-actions { gap: 2px; }
  .sync-status { width: 13px; margin: 0 2px; }
  .sync-status span:last-child { display: none; }
  .segmented { display: none; }
  .mobile-view-toggle { display: inline-grid; }
  .toolbar-sheet-button { width: 42px; padding: 0; }
  .toolbar-sheet-button > span, .toolbar-sheet-button .ui-icon:last-child { display: none; }
  .toolbar-user-button { max-width: 116px; padding-inline: 6px; }
  .toolbar-user-button > span { max-width: 65px; overflow: hidden; text-overflow: ellipsis; }
  .native-editor { width: calc(100% - 20px); padding-top: 24px; }
  .calculator-textarea { top: 24px; padding-right: 5px; padding-left: 38px; font-size: 15px; }
  .line-source { padding-right: 5px; padding-left: 38px; font-size: 15px; }
  .line-gutter { left: 0; width: 34px; }
  .result-line { padding-left: 8px; font-size: 12px; }
  .summary-wrap { width: calc(100% - 28px); padding-top: 30px; }
  .summary-intro { align-items: flex-start; }
  .summary-intro h2 { font-size: 24px; }
  .summary-table thead { display: none; }
  .summary-table, .summary-table tbody { display: block; }
  .summary-table tr { display: grid; grid-template-columns: 1fr auto; gap: 8px 14px; padding: 12px; border-bottom: 1px solid var(--border); }
  .summary-table td { display: block; padding: 0; border: 0; }
  .summary-table td:first-child { grid-column: 1 / -1; }
  .summary-table td:nth-child(3) { display: none; }
  .summary-table .money { grid-column: 2; grid-row: 2; }
  .modal-backdrop { align-items: flex-end; padding: 0; }
  .modal { width: 100%; max-height: 90dvh; padding: 20px 18px calc(18px + env(safe-area-inset-bottom)); border-width: 1px 0 0; border-radius: 4px 4px 0 0; }
  .redesigned-settings { width: 100%; height: 100dvh; max-height: 100dvh; padding-top: max(18px, env(safe-area-inset-top)); border: 0; border-radius: 0; }
  .settings-layout { display: block; margin-inline: -18px; overflow: hidden; }
  .settings-nav { flex-direction: row; padding: 8px 10px; overflow-x: auto; overflow-y: hidden; border-right: 0; border-bottom: 1px solid var(--border); }
  .settings-nav button { min-height: 39px; flex: 0 0 auto; white-space: nowrap; }
  .settings-page { height: calc(100dvh - 133px); padding: 22px 18px 36px; }
  .choice-grid { grid-template-columns: 1fr; }
  .data-action { grid-template-columns: auto minmax(0, 1fr); padding: 11px 0; }
  .data-action .secondary-button { grid-column: 2; justify-self: start; }
  .backup-reminder { grid-template-columns: 1fr auto; }
  .transfer-section { grid-template-columns: auto minmax(0, 1fr); }
  .transfer-section > .secondary-button { grid-column: 2; justify-self: start; }
  .login-card { padding: 30px 24px; }
}

@media (max-width: 420px) {
  .toolbar-user-button > span { display: none; }
  .toolbar-user-button .ui-icon:last-child { display: none; }
  .toolbar-user-button { width: 38px; padding: 0; }
}

@media (forced-colors: active) {
  .calculator-textarea { color: CanvasText; -webkit-text-fill-color: CanvasText; }
  .line-source-text { visibility: hidden; }
}

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