/* Jot app. Paper and ink, one monospaced face, hairline rules, one ochre signal, square corners
   everywhere (the only curves are true circles).
   Colours and the font come from paper.css. Plain CSS, no build step. */

:root {
  --note: var(--mono);
  --note-size: 16px;

  --side-w: 22rem;
  --bar-h: 56px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
:root[data-size="s"] { --note-size: 14.5px; }
:root[data-size="l"] { --note-size: 18.5px; }

/* ---------- base ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { height: 100%; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; height: 100dvh; overflow: hidden;
  background: var(--paper); color: var(--ink);
  font: 400 14px/1.5 var(--mono);
  font-feature-settings: "calt" 0, "zero" 1;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
/* The paper: a fine grain over everything, never over dialogs (they sit in the top layer) */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 30; pointer-events: none;
  background-image: var(--grain); opacity: var(--grain-o);
}
h1, h2, h3, p, ul, dl, dd { margin: 0; }
button, input, textarea { font: inherit; color: inherit; }
a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
svg { display: block; }
kbd {
  display: inline-grid; place-items: center; min-width: 1.7em; height: 1.7em; padding: 0 0.4em;
  border: 1px solid var(--rule-2); border-bottom-width: 2px; border-radius: 0;
  font: 500 11px/1 var(--mono); color: var(--ink-2); background: var(--sheet);
}
mark { background: var(--mark); color: inherit; border-radius: 0; }
::selection { background: color-mix(in srgb, var(--ink) 18%, transparent); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -80px; z-index: 50; padding: 10px 14px; background: var(--ink); color: var(--paper); }
.skip:focus { top: 12px; }

.ico { width: 18px; height: 18px; flex: none; fill: currentColor; }

/* The word mark: "jot" and a blinking block caret, as if just typed */
.word { display: inline-flex; align-items: baseline; gap: 2px; font-weight: 800; font-size: 19px; letter-spacing: -0.04em; text-decoration: none; }
.word:hover { color: var(--ink); }
.caret { display: inline-block; width: 0.5em; height: 0.16em; background: var(--signal); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .caret { animation: none; } }

/* ---------- controls ---------- */

.icon-btn {
  position: relative; display: inline-grid; place-items: center;
  width: 38px; height: 38px; padding: 0; border: 0; border-radius: 0;
  background: transparent; color: var(--ink-2); cursor: pointer;
  transition: background-color 0.15s var(--ease), color 0.15s var(--ease);
}
.icon-btn:hover { background: var(--hover); color: var(--ink); }
.icon-btn:active { transform: translateY(1px); }
.icon-btn[aria-pressed="true"] { color: var(--signal); }
/* A tooltip for mouse users, from data-tip */
@media (hover: hover) {
  [data-tip]:hover::after {
    content: attr(data-tip); position: absolute; top: calc(100% + 6px); left: 50%; translate: -50% 0; z-index: 40;
    padding: 4px 8px; border-radius: 0; background: var(--ink); color: var(--paper);
    font: 500 11px/1.3 var(--mono); white-space: pre; pointer-events: none;
  }
}
.text-btn {
  white-space: nowrap; min-height: 32px; padding: 0 10px; border: 1px solid var(--rule-2); border-radius: 0;
  background: transparent; cursor: pointer; font-size: 12.5px; font-weight: 600;
}
.text-btn:hover { background: var(--hover); }
.text-btn.danger { color: var(--signal-ink); }
.btn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px;
  border: 1px solid var(--rule-2); border-radius: 0; background: var(--sheet);
  font-size: 13px; font-weight: 600; cursor: pointer;
}
.btn:hover { border-color: var(--ink-3); }
.btn.solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn.solid:hover { background: color-mix(in srgb, var(--ink) 84%, var(--paper)); }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.btn-row.end { justify-content: flex-end; }

/* ---------- shell ---------- */

.shell { display: grid; grid-template-columns: 1fr; height: 100dvh; }

.side {
  display: grid; grid-template-rows: auto auto auto minmax(0, 1fr) auto;
  min-height: 0; height: 100dvh; background: var(--paper);
}
.side-head {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--bar-h); padding: 0 12px 0 20px;
  padding-top: env(safe-area-inset-top);
}
.side-tools { display: flex; gap: 2px; }
#themeBtn .ico { display: none; }
#themeBtn[data-mode="system"] .i-system, #themeBtn[data-mode="light"] .i-light, #themeBtn[data-mode="dark"] .i-dark { display: block; }

.side-search { padding: 2px 16px 12px; }
.search { position: relative; display: flex; align-items: center; }
.search .ico { position: absolute; left: 12px; width: 16px; height: 16px; color: var(--ink-3); pointer-events: none; }
.search input {
  width: 100%; height: 40px; padding: 0 40px 0 36px;
  border: 1px solid var(--rule); border-radius: 0; background: var(--sheet);
  font-size: 13.5px; outline: none; transition: border-color 0.15s;
}
.search input::placeholder { color: var(--ink-3); }
.search input:focus { border-color: var(--ink-2); }
.search input::-webkit-search-cancel-button { cursor: pointer; }
.search-key { position: absolute; right: 10px; pointer-events: none; }
@media (pointer: coarse) { .search-key { display: none; } }
.search input:focus ~ .search-key, .search input:not(:placeholder-shown) ~ .search-key { display: none; }

/* Sections: three words on a rule; the chosen one gets the signal underline */
.tabs { display: flex; gap: 22px; padding: 0 20px; border-bottom: 1px solid var(--rule); }
.tabs [role="tab"] {
  position: relative; display: inline-flex; align-items: center; gap: 7px;
  height: 42px; padding: 0; border: 0; background: none; cursor: pointer;
  color: var(--ink-3); font-size: 11.5px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
}
.tabs [role="tab"]:hover { color: var(--ink); }
.tabs [role="tab"][aria-selected="true"] { color: var(--ink); }
.tabs [role="tab"][aria-selected="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--signal); }
.tabs .count { font-weight: 500; letter-spacing: 0; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.tabs .count:empty { display: none; }

.list-pane { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding-bottom: 96px; scrollbar-width: thin; scrollbar-color: var(--rule-2) transparent; }
.list { list-style: none; margin: 0; padding: 0; outline: none; }
.list li { content-visibility: auto; contain-intrinsic-size: auto 84px; }
.list .group {
  padding: 18px 20px 6px; color: var(--ink-3);
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  contain-intrinsic-size: auto 40px;
}
.item {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 12px; row-gap: 3px;
  width: 100%; padding: 14px 20px 15px; border: 0; border-bottom: 1px solid var(--rule);
  background: transparent; text-align: left; cursor: pointer;
  transition: background-color 0.12s;
}
.item:hover { background: var(--hover); }
.item:focus-visible { outline-offset: -2px; }
.item[aria-current="true"] { background: var(--select); }
.item[aria-current="true"]::before { content: ""; position: absolute; left: 0; top: -1px; bottom: -1px; width: 3px; background: var(--signal); }
.it-title { font-weight: 650; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item.pinned .it-title::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 8px 1px 0; background: var(--signal); vertical-align: middle; }
.it-date { color: var(--ink-3); font-size: 11.5px; font-variant-numeric: tabular-nums; white-space: nowrap; padding-top: 2px; }
.it-text {
  grid-column: 1 / -1; color: var(--ink-2); font-size: 12.5px; line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* The Locked tab's door: a padlock built from a square and an arc, then the password */
.gate { display: grid; gap: 14px; max-width: 26rem; padding: 36px 20px; }
.gate-art { width: 52px; height: 52px; margin-bottom: 4px; }
.ga-body { fill: var(--ink); }
.ga-arc { fill: none; stroke: var(--ink); stroke-width: 6; }
.ga-key { fill: var(--signal); }
.gate-title { font-size: 17px; font-weight: 800; letter-spacing: -0.02em; }
.field { display: grid; gap: 6px; font-size: 12px; font-weight: 700; color: var(--ink-2); }
.field input { height: 42px; padding: 0 12px; border: 1px solid var(--rule-2); background: var(--sheet); font: 400 14px var(--mono); color: var(--ink); outline: none; }
.field input:focus { border-color: var(--ink); }
.error { color: var(--signal-ink); font-size: 12.5px; font-weight: 700; }
.gate .btn { justify-self: start; }
.ask-fields { display: grid; gap: 12px; }
.ask-fields:empty { display: none; }
.tabs .tab-ico { width: 13px; height: 13px; }
body.unlocked .tabs #tab-locked .tab-ico { color: var(--signal); }
body[data-tab="locked"]:not(.unlocked) .fab, body[data-tab="locked"]:not(.unlocked) .new { visibility: hidden; }

.list-tools { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--rule); color: var(--ink-2); font-size: 12px; }
.empty { padding: 48px 20px; display: grid; gap: 8px; }
.empty-title { font-weight: 700; font-size: 15px; }
.empty-title::before { content: "— "; color: var(--signal); }
.empty-text { color: var(--ink-2); font-size: 13px; max-width: 32ch; }

/* The new-note bar at the foot of the list, on wide screens */
.new {
  display: none; align-items: center; gap: 10px; margin: 0; width: 100%; height: 52px; padding: 0 16px 0 20px;
  border: 0; border-top: 1px solid var(--rule); background: var(--paper); cursor: pointer; font-size: 13px; font-weight: 700;
}
.new kbd { margin-left: auto; }
.new:hover { background: var(--hover); }
.new .ico { color: var(--signal); }

.fab {
  position: fixed; right: 18px; bottom: calc(18px + env(safe-area-inset-bottom)); z-index: 20;
  display: grid; place-items: center; width: 58px; height: 58px; padding: 0;
  border: 0; border-radius: 0; background: var(--ink); color: var(--paper);
  box-shadow: var(--shadow); cursor: pointer; transition: transform 0.2s var(--ease);
}
.fab .ico { width: 24px; height: 24px; }
.fab:active { transform: scale(0.94); }
body.reading .fab, body[data-tab="trash"] .fab, body[data-tab="archive"] .fab { display: none; }
.tabs { gap: 18px; overflow-x: auto; scrollbar-width: none; }

/* ---------- desk and editor ---------- */

.desk { position: fixed; inset: 0; z-index: 10; display: none; background: var(--sheet); }
body.reading .desk { display: grid; animation: slide 0.28s var(--ease); }
@keyframes slide { from { transform: translateX(28px); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { body.reading .desk { animation: none; } }

.desk-empty { display: none; }

.editor { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; min-height: 0; height: 100dvh; }
.ed-bar {
  display: flex; align-items: center; gap: 6px; min-height: var(--bar-h);
  padding: env(safe-area-inset-top) 10px 0; border-bottom: 1px solid var(--rule);
}
.ed-state { padding-left: 6px; color: var(--ink-3); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.ed-state.warn { color: var(--signal-ink); }
.ed-tools { display: flex; align-items: center; gap: 4px; margin-left: auto; }

.sheet { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 22px 22px 72px; scrollbar-width: thin; scrollbar-color: var(--rule-2) transparent; }
.sheet > * { max-width: 42rem; margin-inline: auto; }
:root[data-size="l"] .sheet > * { max-width: 46rem; }

.meta { display: flex; flex-wrap: wrap; gap: 6px 26px; padding-bottom: 14px; margin-bottom: 18px; border-bottom: 1px dashed var(--rule-2); font-size: 11.5px; }
.meta div { display: flex; gap: 8px; align-items: baseline; }
.meta dt { color: var(--ink-3); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; font-size: 10.5px; }
.meta dd { color: var(--ink-2); font-variant-numeric: tabular-nums; }

.ed-title { display: block; width: 100%; border: 0; padding: 0; background: transparent; outline: none; resize: none; }
.ed-title {
  overflow: hidden; margin-bottom: 14px;
  font: 750 calc(var(--note-size) * 1.5) / 1.25 var(--note); letter-spacing: -0.025em;
}
/* The note body: formatted text, one line per <div> */
.ed-body {
  min-height: 60vh; outline: none; white-space: pre-wrap; overflow-wrap: break-word;
  font: 400 var(--note-size) / 1.75 var(--note); tab-size: 4; caret-color: var(--ink);
}
.ed-body.blank::before { content: attr(data-placeholder); position: absolute; color: var(--ink-3); pointer-events: none; }
.ed-body b, .ed-body strong { font-weight: 750; }
.ed-body i, .ed-body em { font-style: italic; }
.ed-body s, .ed-body strike, .ed-body del { text-decoration: line-through; text-decoration-thickness: 1.5px; }
.ed-body code { padding: 0 0.15em; background: var(--select); font: inherit; }
.ed-body > .done { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--rule-2); }
.editor.ro .ed-body { color: var(--ink-2); }

/* Format buttons: the letters themselves, styled as what they do */
.fmt { display: flex; gap: 2px; margin-left: 8px; padding-left: 8px; border-left: 1px solid var(--rule); }
.fmt .icon-btn { width: 34px; font: 700 14px/1 var(--mono); color: var(--ink-2); }
.fmt .f-i { font-style: italic; font-weight: 500; }
.fmt .f-s { text-decoration: line-through; font-weight: 500; }
.fmt .f-c { font-size: 11.5px; letter-spacing: -0.05em; }
.editor.ro .fmt { display: none; }
@media (max-width: 899px) { .ed-state { display: none; } .fmt { margin-left: 0; border-left: 0; } }
/* Small phones (360 px, like the Realme C25s): every editor tool still fits on one row */
@media (max-width: 420px) {
  .ed-bar { gap: 0; padding-inline: 4px; }
  .ed-bar .icon-btn { width: 34px; }
  .ed-tools { gap: 0; }
  .fmt { gap: 0; padding-left: 0; }
  .fmt .icon-btn { width: 30px; }
}
.ed-title::placeholder { color: var(--ink-3); opacity: 1; }
.ed-title[readonly] { color: var(--ink-2); cursor: default; }

.ed-foot {
  display: flex; justify-content: space-between; gap: 12px; min-height: 36px; align-items: center;
  padding: 0 20px calc(env(safe-area-inset-bottom)); border-top: 1px solid var(--rule);
  color: var(--ink-3); font-size: 11.5px; font-variant-numeric: tabular-nums;
}
.saved::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: var(--ink-3); vertical-align: 1px; }
.saved:empty { display: none; }

/* ---------- wide screens: list and note side by side ---------- */

@media (min-width: 900px) {
  .shell { grid-template-columns: var(--side-w) minmax(0, 1fr); }
  .side { border-right: 1px solid var(--rule); }
  .new { display: flex; }
  .fab { display: none; }
  .desk { position: relative; inset: auto; z-index: auto; display: grid; animation: none !important; }
  .ed-bar { padding-inline: 20px 14px; }
  .back { display: none; }
  .sheet { padding: 56px 56px 120px; }
  .ed-foot { padding-inline: 24px; }
  .desk-empty { display: grid; place-content: center; justify-items: center; gap: 14px; color: var(--ink-3); font-size: 13px; }
  .de-mark { font-size: 56px; font-weight: 800; letter-spacing: -0.05em; color: var(--ink-3); display: flex; align-items: baseline; gap: 4px; }
  .de-mark .caret { background: var(--ink-3); }
}
@media (min-width: 1400px) { :root { --side-w: 25rem; } }

/* ---------- dialogs ---------- */

.dlg {
  width: min(100% - 24px, 34rem); max-height: min(100% - 48px, 46rem);
  padding: 0; border: 1px solid var(--rule-2); border-radius: 0;
  background: var(--sheet); color: var(--ink); box-shadow: var(--shadow);
}
.dlg::backdrop { background: rgb(20 18 15 / 0.42); backdrop-filter: blur(2px); }
.dlg.small { width: min(100% - 24px, 26rem); }
.dlg[open] { animation: rise 0.25s var(--ease); }
@keyframes rise { from { transform: translateY(12px); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .dlg[open] { animation: none; } }
@media (max-width: 600px) {
  .dlg:not(.small) { width: 100%; max-width: 100%; margin: auto 0 0; max-height: 92dvh; border-radius: 0; border-bottom: 0; }
}
.dlg { scrollbar-width: thin; scrollbar-color: var(--rule-2) transparent; }
.dlg-in { display: grid; gap: 18px; padding: 20px 22px calc(22px + env(safe-area-inset-bottom)); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; margin: -6px -8px 0 0; }
.dlg h2 { font-size: 17px; font-weight: 750; letter-spacing: -0.02em; }
#askText { color: var(--ink-2); font-size: 13px; }

.set { display: grid; gap: 12px; padding-top: 16px; border-top: 1px solid var(--rule); }
.set h3 { font-size: 10.5px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; min-height: 36px; font-size: 13px; }
.hint { color: var(--ink-2); font-size: 12.5px; line-height: 1.55; }
.result { font-size: 12.5px; font-weight: 600; }
.result:empty { display: none; }
.about { padding-top: 4px; color: var(--ink-3); }

/* Segmented choice: a row of radio buttons in one hairline box */
.seg { display: inline-flex; border: 1px solid var(--rule-2); border-radius: 0; padding: 2px; gap: 2px; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.seg span { display: grid; place-items: center; min-width: 40px; height: 30px; padding: 0 10px; border-radius: 0; font-size: 12px; font-weight: 600; color: var(--ink-2); }
.seg label:hover span { color: var(--ink); }
.seg input:checked + span { background: var(--ink); color: var(--paper); }
.seg input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: 2px; }

.keys { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; align-items: center; font-size: 13px; }
.keys dt { display: flex; gap: 4px; }
.keys dd { color: var(--ink-2); }

/* ---------- toast ---------- */

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom)); z-index: 60;
  /* left: 50% alone would leave it half the screen to wrap in, so it sizes to its text instead */
  width: max-content; max-width: calc(100vw - 32px);
  display: flex; align-items: center; gap: 18px; padding: 10px 10px 10px 16px; min-height: 44px;
  background: var(--ink); color: var(--paper); border-radius: 0; box-shadow: var(--shadow);
  font-size: 12.5px; font-weight: 600;
  transform: translate(-50%, 12px); opacity: 0; transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }
.toast-btn { border: 0; background: none; color: var(--signal); font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; font-size: 11.5px; padding: 6px 8px; cursor: pointer; border-radius: 0; }
.toast-btn:hover { background: color-mix(in srgb, var(--paper) 12%, transparent); }
body.reading .toast { bottom: calc(52px + env(safe-area-inset-bottom)); }

/* ---------- the desktop app's own title bar ---------- */

:root.desktop { --title-h: 38px; }
:root.desktop body { padding-top: var(--title-h); }
:root.desktop .shell, :root.desktop .side, :root.desktop .editor { height: calc(100dvh - var(--title-h)); }
:root.desktop .desk { top: var(--title-h); }

.titlebar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 25;
  display: flex; align-items: center; gap: 14px; height: var(--title-h); padding: 0 14px;
  background: var(--paper); border-bottom: 1px solid var(--rule); user-select: none;
}
.tb-dots { display: flex; gap: 8px; }
.tb-dot {
  position: relative; display: grid; place-items: center; width: 12px; height: 12px; padding: 0; border: 0; border-radius: 50%;
  background: var(--rule-2); color: transparent; cursor: pointer; transition: background-color 0.12s var(--ease);
}
.tb-dot svg { width: 8px; height: 8px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; }
/* Grey until the pointer reaches one, then that one takes the colour everyone knows */
.tb-dot:hover { color: rgb(0 0 0 / 0.6); }
.tb-close:hover { background: #ff5f57; }
.tb-min:hover { background: #febc2e; }
.tb-max:hover { background: #28c840; }
/* Their names hang from the left so the first is not cut off at the window's edge */
.tb-dot:active { filter: brightness(0.85); }
.tb-title { flex: 1; align-self: stretch; display: flex; align-items: center; color: var(--ink-3); font-size: 12px; font-weight: 600; letter-spacing: 0.02em; }