feather-reader 0.2.4

A minimalist, atproto-native RSS/Atom reader in Rust — your feed subscriptions live in your own PDS.
Documentation 
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/* ==========================================================================
   FeatherReader — feather.css
   A calm, typography-first design system. One file. No build step.
   Mobile-first (390px baseline), enhanced at 700px / 900px / 1200px.
   Light + dark are both first-class: dark follows prefers-color-scheme
   and can be forced with <html data-theme="dark|light"> (used by the
   in-app toggle and by deterministic screenshots).
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  color-scheme: light dark;

  /* -- Type faces (system stacks: instant, private, no webfont request) --- */
  --font-serif: "Charter", "Iowan Old Style", "Palatino Linotype", Palatino,
    Georgia, "Times New Roman", serif;
  --font-ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;

  /* -- Type scale (a tight, calm scale — ~1.19 ratio) -------------------- */
  --text-xs: 0.75rem;      /* 12  fine print, kbd hints          */
  --text-sm: 0.8125rem;    /* 13  metadata, counts               */
  --text-base: 0.9375rem;  /* 15  UI chrome, buttons, nav        */
  --text-md: 1.0625rem;    /* 17  list titles, reading (mobile)  */
  --text-lg: 1.25rem;      /* 20  section headings               */
  --text-xl: 1.5625rem;    /* 25  article title (mobile)         */
  --text-2xl: 1.9375rem;   /* 31  article title (desktop)        */

  /* -- Reading (the product) --------------------------------------------- */
  --measure: 66ch;
  --reading-size: var(--text-md);
  --reading-leading: 1.72;

  /* -- Spacing (4px base) ------------------------------------------------- */
  --s1: 0.25rem;   /*  4 */
  --s2: 0.5rem;    /*  8 */
  --s3: 0.75rem;   /* 12 */
  --s4: 1rem;      /* 16 */
  --s5: 1.5rem;    /* 24 */
  --s6: 2rem;      /* 32 */
  --s7: 3rem;      /* 48 */
  --s8: 4rem;      /* 64 */

  /* -- Shape --------------------------------------------------------------- */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-full: 999px;

  /* -- Elevation (whisper-quiet) ------------------------------------------ */
  --shadow-1: 0 1px 2px rgba(31, 27, 20, 0.05), 0 1px 6px rgba(31, 27, 20, 0.04);
  --shadow-2: 0 2px 8px rgba(31, 27, 20, 0.08), 0 8px 28px rgba(31, 27, 20, 0.10);

  /* -- Motion --------------------------------------------------------------- */
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dur-1: 120ms;   /* state flips: hover, read-dim   */
  --dur-2: 220ms;   /* movement: drawer, overlay      */

  /* -- Layout metrics ------------------------------------------------------- */
  --rail-w: 17.5rem;      /* 280px persistent rail at >=900px */
  --topbar-h: 3.5rem;     /* 56px mobile top bar              */
  --actionbar-h: 3.25rem; /* 52px reader action bar           */
  --tap: 2.75rem;         /* 44px minimum touch target        */

  /* -- Color: LIGHT (warm paper + ink + one spruce accent) ---------------
     Contrast (WCAG): ink/paper 14.0 · ink-soft/paper 6.9 · muted/paper 5.2
     accent/paper 6.2 · white/accent 6.6 · star/paper 4.8 — all AA+.       */
  --bg: #faf8f3;            /* paper                                  */
  --surface: #ffffff;       /* cards, inputs, hovered rows            */
  --surface-2: #f3f0e8;     /* rail, wells, code blocks               */
  --ink: #2a2723;           /* primary text                           */
  --ink-soft: #5c564b;      /* secondary text, snippets               */
  --muted: #6f6959;         /* metadata, timestamps                   */
  --line: #e8e3d7;          /* hairlines                              */
  --line-soft: #f0ece2;     /* subtler hairlines                      */
  --accent: #3e6459;        /* spruce — links, unread, primary action */
  --accent-deep: #395d53;   /* hover / active                         */
  --accent-soft: #e9efec;   /* selected wash, badges                  */
  --on-accent: #ffffff;
  --star: #8a6a14;          /* the one warm exception: starred        */
  --danger: #9d3b2d;
  --scrim: rgba(31, 27, 20, 0.4);
}

/* Dark tokens, applied twice on purpose (plain CSS can't share a block
   across an @media boundary): once for system dark, once for forced dark. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #191714;
    --surface: #211e1a;
    --surface-2: #14120f;
    --ink: #ede8dd;
    --ink-soft: #bab2a3;
    --muted: #9c947f;
    --line: #35312a;
    --line-soft: #2a2721;
    --accent: #93bfb2;
    --accent-deep: #a8cdc1;
    --accent-soft: #24312c;
    --on-accent: #14211d;
    --star: #d2ac4b;
    --danger: #d98374;
    --scrim: rgba(0, 0, 0, 0.55);
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 6px rgba(0, 0, 0, 0.3);
    --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.45), 0 10px 32px rgba(0, 0, 0, 0.5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #191714;
  --surface: #211e1a;
  --surface-2: #14120f;
  --ink: #ede8dd;
  --ink-soft: #bab2a3;
  --muted: #9c947f;
  --line: #35312a;
  --line-soft: #2a2721;
  --accent: #93bfb2;
  --accent-deep: #a8cdc1;
  --accent-soft: #24312c;
  --on-accent: #14211d;
  --star: #d2ac4b;
  --danger: #d98374;
  --scrim: rgba(0, 0, 0, 0.55);
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 6px rgba(0, 0, 0, 0.3);
  --shadow-2: 0 2px 8px rgba(0, 0, 0, 0.45), 0 10px 32px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img,
video {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  color: var(--accent-deep);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

button {
  font: inherit;
  color: inherit;
}

/* Visible focus, always — never outline:none without replacement */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

::selection {
  background: var(--accent-soft);
}

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

.skip-link {
  position: absolute;
  left: var(--s3);
  top: -3rem;
  z-index: 100;
  padding: var(--s2) var(--s3);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-1);
  transition: top var(--dur-1) var(--ease);
}

.skip-link:focus {
  top: var(--s3);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   3. Buttons & inputs (shared chrome)
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s2);
  min-height: var(--tap);
  padding: var(--s2) var(--s4);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: border-color var(--dur-1) var(--ease),
    background-color var(--dur-1) var(--ease);
}

.btn:hover {
  border-color: var(--muted);
}

.btn-primary {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
}

.btn-quiet {
  min-height: var(--tap);
  padding: var(--s2) var(--s3);
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  font-size: var(--text-sm);
  cursor: pointer;
}

.btn-quiet:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.btn-danger-quiet:hover {
  color: var(--danger);
}

.input {
  width: 100%;
  min-height: var(--tap);
  padding: var(--s2) var(--s3);
  font: inherit;
  font-size: 1rem; /* >=16px prevents iOS zoom-on-focus */
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color var(--dur-1) var(--ease);
}

.input::placeholder {
  color: var(--muted);
}

.input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: transparent;
}

.select {
  min-height: var(--tap);
  padding: var(--s2) var(--s3);
  font: inherit;
  font-size: var(--text-base);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

kbd {
  display: inline-block;
  min-width: 1.5em;
  padding: 0.1em 0.45em;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-align: center;
  color: var(--ink-soft);
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: var(--r-sm);
}

/* --------------------------------------------------------------------------
   4. App shell — mobile-first
   Mobile: fixed topbar, off-canvas rail (drawer), full-width content.
   >=900px: persistent rail + content, topbar hidden.
   -------------------------------------------------------------------------- */
.shell {
  min-height: 100dvh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: var(--s2);
  height: var(--topbar-h);
  padding: 0 var(--s2) 0 var(--s1);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line-soft);
}

.topbar-title {
  flex: 1;
  margin: 0;
  font-size: var(--text-md);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-count {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--muted);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap);
  height: var(--tap);
  padding: 0;
  color: var(--ink-soft);
  background: transparent;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
}

.icon-btn:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.icon-btn svg {
  width: 1.375rem;
  height: 1.375rem;
}

/* -- Brand ----------------------------------------------------------------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s2);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  color: var(--accent);
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}

/* -- Rail / drawer ---------------------------------------------------------- */
.rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  display: flex;
  flex-direction: column;
  width: min(85vw, var(--rail-w));
  background: var(--surface-2);
  border-right: 1px solid var(--line);
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform var(--dur-2) var(--ease),
    visibility 0s var(--dur-2);
}

.shell.rail-open .rail {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--dur-2) var(--ease);
  box-shadow: var(--shadow-2);
}

.scrim {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--scrim);
  border: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-2) var(--ease), visibility 0s var(--dur-2);
}

.shell.rail-open .scrim {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--dur-2) var(--ease);
}

.rail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s4) var(--s4) var(--s3);
}

.rail-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0 var(--s3) var(--s4);
}

/* Filter: All / Unread / Starred */
.filter {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  margin: 0 var(--s1) var(--s4);
  padding: 2px;
  background: var(--line-soft);
  border-radius: var(--r-md);
}

.filter-opt {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-soft);
  border-radius: calc(var(--r-md) - 2px);
  text-decoration: none;
}

.filter-opt:hover {
  color: var(--ink);
  text-decoration: none;
}

.filter-opt[aria-current="page"] {
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-1);
}

/* Folders + feeds */
.folder {
  margin: 0 0 var(--s4);
}

.folder-name {
  display: block;
  margin: 0 0 var(--s1);
  padding: var(--s1) var(--s3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.feed-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feed-link {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-height: var(--tap);
  padding: var(--s2) var(--s3);
  color: var(--ink-soft);
  border-radius: var(--r-md);
  text-decoration: none;
}

.feed-link:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  text-decoration: none;
}

.feed-link[aria-current="page"] {
  color: var(--ink);
  background: var(--accent-soft);
  font-weight: 500;
}

.feed-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.feed-count {
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.feed-link.has-unread .feed-name {
  color: var(--ink);
  font-weight: 500;
}

.feed-link.has-unread .feed-count {
  color: var(--accent);
  font-weight: 600;
}

.rail-tools {
  margin-top: var(--s5);
  padding-top: var(--s4);
  border-top: 1px solid var(--line);
}

.rail-tool {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-height: var(--tap);
  padding: var(--s2) var(--s3);
  color: var(--ink-soft);
  border-radius: var(--r-md);
  text-decoration: none;
  font-size: var(--text-base);
}

.rail-tool:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--surface) 65%, transparent);
  text-decoration: none;
}

.rail-tool svg {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--muted);
}

/* Identity chip (signed-in atproto handle) */
.identity {
  display: flex;
  align-items: center;
  gap: var(--s3);
  padding: var(--s3) var(--s4);
  border-top: 1px solid var(--line);
}

.avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  flex: none;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--on-accent);
  background: var(--accent);
  border-radius: var(--r-full);
}

.identity-meta {
  flex: 1;
  min-width: 0;
  line-height: 1.3;
}

.identity-handle {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.identity-note {
  display: block;
  font-size: var(--text-xs);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kbd-hint {
  padding: var(--s2) var(--s4) var(--s3);
  font-size: var(--text-xs);
  color: var(--muted);
  display: none; /* keyboard is a desktop affordance */
}

/* -- Content column ---------------------------------------------------------- */
.content {
  min-width: 0;
  padding-bottom: var(--s8);
}

.content-head {
  display: none; /* mobile uses the topbar; shown at >=900px */
  align-items: baseline;
  gap: var(--s3);
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--s6) var(--s5) var(--s3);
}

.content-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 650;
  letter-spacing: -0.01em;
}

.content-count {
  font-size: var(--text-sm);
  color: var(--muted);
}

.content-spacer {
  flex: 1;
}

/* --------------------------------------------------------------------------
   5. Entry list
   -------------------------------------------------------------------------- */
.entry-list {
  margin: 0 auto;
  padding: var(--s2) 0 0;
  max-width: 46rem;
  list-style: none;
}

.entry {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--s1);
  border-bottom: 1px solid var(--line-soft);
}

.entry-main {
  flex: 1;
  min-width: 0;
  display: block;
  padding: var(--s4) var(--s2) var(--s4) var(--s5);
  color: inherit;
  text-decoration: none;
  border-radius: 0;
}

.entry-main:hover {
  text-decoration: none;
  color: inherit;
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

/* Unread dot — the calm signal */
.entry-main::before {
  content: "";
  position: absolute;
  left: var(--s2);
  top: 1.45rem;
  width: 7px;
  height: 7px;
  border-radius: var(--r-full);
  background: var(--accent);
  opacity: 1;
  transition: opacity var(--dur-1) var(--ease);
}

.entry.is-read .entry-main::before {
  opacity: 0;
}

.entry-title {
  display: block;
  margin: 0 0 var(--s1);
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--ink);
  transition: color var(--dur-1) var(--ease);
}

.entry-snippet {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 var(--s2);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--ink-soft);
}

.entry-meta {
  display: flex;
  align-items: baseline;
  gap: var(--s2);
  font-size: var(--text-xs);
  color: var(--muted);
}

.entry-feed {
  font-weight: 500;
  color: var(--muted);
}

.entry-meta .sep {
  opacity: 0.6;
}

.entry-time {
  font-variant-numeric: tabular-nums;
}

/* Read rows recede — quieter, not hidden */
.entry.is-read .entry-title {
  color: var(--muted);
  font-weight: 500;
}

.entry.is-read .entry-snippet {
  color: var(--muted);
}

/* Keyboard cursor (j/k) — a desktop affordance, styled at >=900px only */

/* Star button — a real 44px target on the row */
.star-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--tap);
  min-height: var(--tap);
  align-self: stretch;
  margin-right: var(--s2);
  padding: 0;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  opacity: 0.55;
  transition: opacity var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.entry:hover .star-btn,
.star-btn:focus-visible,
.star-btn[aria-pressed="true"] {
  opacity: 1;
}

.star-btn:hover {
  color: var(--star);
}

.star-btn svg {
  width: 1.125rem;
  height: 1.125rem;
}

.star-btn[aria-pressed="true"] {
  color: var(--star);
}

.star-btn[aria-pressed="true"] svg {
  fill: currentColor;
}

/* -- Empty state ("all caught up") ------------------------------------------ */
.empty {
  display: none;
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--s8) var(--s5);
  text-align: center;
}

.empty-mark {
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto var(--s4);
  color: var(--accent);
  opacity: 0.7;
}

.empty-title {
  margin: 0 0 var(--s2);
  font-family: var(--font-serif);
  font-size: var(--text-lg);
  font-weight: 600;
}

.empty-note {
  margin: 0;
  font-size: var(--text-base);
  color: var(--muted);
}

/* Mockup-only: ?state=empty swaps list for the empty state */
html[data-state="empty"] .entry-list,
html[data-state="empty"] .list-actions {
  display: none;
}

html[data-state="empty"] .empty {
  display: block;
}

/* -- List bulk actions -------------------------------------------------------- */
.list-actions {
  display: flex;
  justify-content: center;
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--s5);
}

/* --------------------------------------------------------------------------
   6. Reader view (the headline feature)
   -------------------------------------------------------------------------- */
.article {
  max-width: calc(var(--measure) + 2 * var(--s5));
  margin: 0 auto;
  padding: var(--s5) var(--s5) calc(var(--actionbar-h) + var(--s8));
}

.article-head {
  margin: 0 0 var(--s6);
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--line);
}

.article-eyebrow {
  display: flex;
  align-items: baseline;
  gap: var(--s2);
  margin: 0 0 var(--s3);
  font-size: var(--text-sm);
  color: var(--muted);
}

.article-eyebrow .feed {
  font-weight: 600;
  color: var(--accent);
}

.article-title {
  margin: 0 0 var(--s3);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

.article-byline {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--muted);
}

.article-byline a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: var(--line);
}

.article-byline a:hover {
  color: var(--accent);
}

/* -- Sanitized feed content (.prose) ----------------------------------------
   Everything inside is hostile/foreign HTML post-ammonia; style defensively. */
.prose {
  font-family: var(--font-serif);
  font-size: var(--reading-size);
  line-height: var(--reading-leading);
  color: var(--ink);
  overflow-wrap: break-word;
}

.prose > * {
  max-width: var(--measure);
}

.prose p {
  margin: 0 0 1.1em;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
  margin: 1.8em 0 0.6em;
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.008em;
}

.prose h1 { font-size: 1.35em; }
.prose h2 { font-size: 1.25em; }
.prose h3 { font-size: 1.1em; }
.prose h4 { font-size: 1em; }

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
  text-decoration-color: color-mix(in srgb, var(--accent) 45%, transparent);
}

.prose a:hover {
  text-decoration-color: var(--accent);
}

.prose blockquote {
  margin: 1.4em 0;
  padding: 0.1em 0 0.1em 1.1em;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
  font-style: italic;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose ul,
.prose ol {
  margin: 0 0 1.1em;
  padding-left: 1.4em;
}

.prose li {
  margin-bottom: 0.35em;
}

.prose img {
  display: block;
  margin: 1.6em auto;
  border-radius: var(--r-md);
}

.prose figure {
  margin: 1.6em 0;
}

.prose figcaption {
  margin-top: 0.6em;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: var(--muted);
  text-align: center;
}

.prose code {
  padding: 0.12em 0.35em;
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-sm);
}

.prose pre {
  margin: 1.4em 0;
  padding: var(--s4);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82em;
  line-height: 1.6;
  background: var(--surface-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
}

.prose pre code {
  padding: 0;
  background: none;
  border: none;
  font-size: inherit;
}

.prose hr {
  margin: 2em auto;
  border: none;
  border-top: 1px solid var(--line);
  max-width: 8rem;
}

.prose table {
  width: 100%;
  margin: 1.4em 0;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
}

.prose th,
.prose td {
  padding: var(--s2) var(--s3);
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}

.prose th {
  font-weight: 600;
  border-bottom-color: var(--line);
}

.prose iframe {
  max-width: 100%;
  border: 0;
}

/* -- Reader action bar --------------------------------------------------------
   Mobile: fixed to the bottom — thumb territory.
   >=900px: a floating pill, bottom-center of the reading column.            */
.actionbar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: calc(var(--actionbar-h) + env(safe-area-inset-bottom, 0px));
  padding: 0 var(--s2) env(safe-area-inset-bottom, 0px);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
}

.actionbar .icon-btn {
  flex: 1;
  max-width: 5rem;
  color: var(--ink-soft);
}

.actionbar .actionbar-star[aria-pressed="true"] {
  color: var(--star);
}

.actionbar .actionbar-star[aria-pressed="true"] svg {
  fill: currentColor;
}

.actionbar .actionbar-read[aria-pressed="true"] {
  color: var(--accent);
}

/* --------------------------------------------------------------------------
   7. Feed management (add / rename / remove / OPML)
   -------------------------------------------------------------------------- */
.manage {
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--s5);
}

.manage h1 {
  margin: 0 0 var(--s5);
  font-size: var(--text-lg);
  font-weight: 650;
  letter-spacing: -0.01em;
}

.manage-section {
  margin-bottom: var(--s7);
}

.manage-section > h2 {
  margin: 0 0 var(--s3);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.add-feed-form {
  display: flex;
  gap: var(--s2);
}

.add-feed-form .input {
  flex: 1;
}

.form-hint {
  margin: var(--s2) 0 0;
  font-size: var(--text-sm);
  color: var(--muted);
}

/* Discovered feed card (htmx swaps this in under the form) */
.discovered {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s3);
  margin-top: var(--s4);
  padding: var(--s4);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-1);
}

.discovered-glyph {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  flex: none;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: var(--r-md);
}

.discovered-glyph svg {
  width: 1.25rem;
  height: 1.25rem;
}

.discovered-meta {
  flex: 1;
  min-width: 12rem;
}

.discovered-title {
  margin: 0;
  font-weight: 600;
}

.discovered-url {
  margin: 0;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--muted);
  overflow-wrap: anywhere;
}

.discovered-actions {
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.pds-note {
  flex-basis: 100%;
  margin: var(--s2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--muted);
}

.pds-note svg {
  vertical-align: -2px;
  margin-right: var(--s1);
}

.pds-note code {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  overflow-wrap: anywhere;
}

/* Manage list */
.manage-folder {
  margin-bottom: var(--s4);
}

.manage-folder-head {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-height: var(--tap);
  padding: 0 var(--s1);
}

.manage-folder-name {
  flex: 1;
  margin: 0;
  font-size: var(--text-base);
  font-weight: 600;
}

.manage-list {
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.manage-row {
  display: flex;
  align-items: center;
  gap: var(--s2);
  min-height: 3.25rem;
  padding: var(--s2) var(--s2) var(--s2) var(--s4);
  border-bottom: 1px solid var(--line-soft);
}

.manage-row:last-child {
  border-bottom: none;
}

.manage-row-meta {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}

.manage-row-title {
  display: block;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.manage-row-url {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* OPML row */
.opml-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
}

.opml-note {
  flex-basis: 100%;
  margin: 0;
  font-size: var(--text-sm);
  color: var(--muted);
}

/* --------------------------------------------------------------------------
   8. Sign-in
   -------------------------------------------------------------------------- */
.auth {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: var(--s5);
}

.auth-card {
  width: 100%;
  max-width: 24rem;
  text-align: center;
}

.auth-mark {
  width: 3rem;
  height: 3rem;
  margin: 0 auto var(--s4);
  color: var(--accent);
}

.auth-name {
  margin: 0 0 var(--s1);
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.auth-tag {
  margin: 0 0 var(--s6);
  font-size: var(--text-base);
  color: var(--muted);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  text-align: left;
}

.auth-form label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--ink-soft);
}

.auth-why {
  margin: var(--s6) 0 0;
  padding-top: var(--s5);
  border-top: 1px solid var(--line);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--muted);
  text-align: left;
}

.auth-why strong {
  color: var(--ink-soft);
}

.auth-foot {
  margin-top: var(--s6);
  font-size: var(--text-xs);
  color: var(--muted);
}

.auth-foot a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* --------------------------------------------------------------------------
   9. Shortcuts overlay (the "?" help)
   -------------------------------------------------------------------------- */
.kbd-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  place-items: center;
  padding: var(--s5);
  background: var(--scrim);
}

.kbd-overlay.is-open,
html[data-overlay="1"] .kbd-overlay {
  display: grid;
}

.kbd-card {
  width: 100%;
  max-width: 22rem;
  padding: var(--s5);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2);
}

.kbd-card h2 {
  margin: 0 0 var(--s4);
  font-size: var(--text-md);
  font-weight: 650;
}

.kbd-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s2) var(--s4);
  margin: 0;
  align-items: baseline;
}

.kbd-card dt {
  justify-self: end;
}

.kbd-card dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--ink-soft);
}

.kbd-card .kbd-close {
  margin-top: var(--s4);
  width: 100%;
}

/* --------------------------------------------------------------------------
   10. Feedback: flash, loading (htmx), skeletons
   -------------------------------------------------------------------------- */
.flash {
  max-width: 46rem;
  margin: var(--s3) auto 0;
  padding: var(--s3) var(--s4);
  font-size: var(--text-sm);
  color: var(--ink-soft);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-radius: var(--r-md);
}

.flash.error {
  color: var(--danger);
  background: color-mix(in srgb, var(--danger) 8%, var(--bg));
  border-color: color-mix(in srgb, var(--danger) 30%, transparent);
}

/* htmx: anything with .htmx-indicator shows only during a request */
.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline-flex;
}

.htmx-request {
  cursor: progress;
}

/* A quiet inline spinner */
.spinner {
  width: 1em;
  height: 1em;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: var(--r-full);
  animation: fr-spin 700ms linear infinite;
}

@keyframes fr-spin {
  to { transform: rotate(360deg); }
}

/* Skeleton rows (initial list load) */
.skeleton {
  border-bottom: 1px solid var(--line-soft);
  padding: var(--s4) var(--s2) var(--s4) var(--s5);
}

.skeleton .bone {
  height: 0.8em;
  margin-bottom: var(--s2);
  background: var(--line-soft);
  border-radius: var(--r-sm);
  animation: fr-pulse 1.4s var(--ease) infinite;
}

.skeleton .bone.w-60 { width: 60%; }
.skeleton .bone.w-90 { width: 90%; }
.skeleton .bone.w-30 { width: 30%; margin-bottom: 0; }

@keyframes fr-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* Swapped-in rows settle gently (htmx adds .htmx-added) */
.entry.htmx-added {
  background: var(--accent-soft);
}

.entry {
  transition: background-color 600ms var(--ease);
}

/* --------------------------------------------------------------------------
   11. Breakpoints — enhance upward
   -------------------------------------------------------------------------- */

/* ~700px: more air, list gains side padding */
@media (min-width: 43.75em) {
  .entry-main {
    padding-right: var(--s4);
  }

  .article {
    padding-top: var(--s7);
  }

  .article-title {
    font-size: var(--text-2xl);
  }
}

/* ~900px: the desktop shape — persistent rail, no topbar, floating actions */
@media (min-width: 56.25em) {
  .shell {
    display: grid;
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
  }

  .topbar {
    display: none;
  }

  .rail {
    position: sticky;
    top: 0;
    height: 100dvh;
    transform: none;
    visibility: visible;
    transition: none;
    box-shadow: none;
  }

  .scrim {
    display: none;
  }

  .rail-close {
    display: none;
  }

  .kbd-hint {
    display: block;
  }

  .content-head {
    display: flex;
  }

  .entry-list {
    padding-top: 0;
  }

  /* Keyboard cursor (j/k) */
  .entry.is-cursor {
    background: var(--accent-soft);
  }

  .entry.is-cursor::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
  }

  /* Reading is a touch larger on big screens */
  :root {
    --reading-size: 1.125rem;
  }

  /* Action bar becomes a floating pill inside the reading column */
  .actionbar {
    inset: auto 0 var(--s5) var(--rail-w);
    margin: 0 auto;
    width: fit-content;
    height: var(--actionbar-h);
    gap: var(--s1);
    padding: 0 var(--s2);
    border: 1px solid var(--line);
    border-radius: var(--r-full);
    box-shadow: var(--shadow-2);
  }

  .actionbar .icon-btn {
    flex: none;
    width: var(--tap);
  }

  .article {
    padding-bottom: calc(var(--actionbar-h) + var(--s8));
  }
}

/* ~1200px: generous gutters */
@media (min-width: 75em) {
  .content-head {
    padding-top: var(--s7);
  }

  .entry-list,
  .content-head,
  .list-actions,
  .manage,
  .flash {
    max-width: 48rem;
  }
}

/* --------------------------------------------------------------------------
   12. Print — reading is the product, even on paper
   -------------------------------------------------------------------------- */
@media print {
  .topbar,
  .rail,
  .scrim,
  .actionbar,
  .kbd-overlay {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .article {
    max-width: none;
    padding: 0;
  }
}