/* BenHeath.AI - search-engine front door in an editorial broadcast-archive skin.
   Meta-blue accent, themeable: dark ink (default) and white paper via
   html[data-theme="light"]. Page tokens (--bg/--fg) skin the chrome; paper
   tokens skin the results sheet, which stays light in both themes. */

:root {
  --bg: #0d0b08;
  --bg-2: #14110c;
  --fg: #ece5d8;
  --fg-dim: rgba(236, 229, 216, 0.55);
  --line: rgba(236, 229, 216, 0.16);

  --paper: #ece5d8;
  --paper-2: rgba(255, 255, 255, 0.35);
  --paper-fg: #0d0b08;
  --paper-dim: rgba(13, 11, 8, 0.55);
  --paper-line: rgba(13, 11, 8, 0.18);
  --paper-accent: #0b54d0;

  --accent: #4d94ff;        /* lifted Meta blue for dark backgrounds */
  --accent-deep: #0866ff;   /* true Meta blue for fills and buttons */
  --on-accent: #ffffff;
  --accent-soft: rgba(77, 148, 255, 0.14);
  --google-green: #34a853;  /* Google brand green, for Google Ads labels */

  --bar-bg: rgba(20, 17, 12, 0.6);
  --scrim: rgba(8, 7, 5, 0.6);
  --shadow: rgba(0, 0, 0, 0.55);
  --skel-a: rgba(236, 229, 216, 0.05);
  --skel-b: rgba(236, 229, 216, 0.14);
}

html[data-theme="light"] {
  --bg: #f2efe8;
  --bg-2: #faf8f3;
  --fg: #15120d;
  --fg-dim: rgba(21, 18, 13, 0.6);
  --line: rgba(21, 18, 13, 0.16);

  --paper: #ffffff;
  --paper-2: #faf8f3;
  --paper-fg: #15120d;
  --paper-dim: rgba(21, 18, 13, 0.6);
  --paper-line: rgba(21, 18, 13, 0.16);
  --paper-accent: #0866ff;

  --accent: #0866ff;
  --accent-deep: #0866ff;
  --on-accent: #ffffff;
  --accent-soft: rgba(8, 102, 255, 0.1);

  --bar-bg: rgba(255, 255, 255, 0.78);
  --scrim: rgba(21, 18, 13, 0.35);
  --shadow: rgba(30, 45, 90, 0.16);
  --skel-a: rgba(21, 18, 13, 0.05);
  --skel-b: rgba(21, 18, 13, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* on-brand cursor, hard-coded on every element so hover states never swap it */
* {
  cursor: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='22' height='22' viewBox='0 0 22 22'%3E%3Ccircle cx='11' cy='11' r='7.5' fill='none' stroke='%230866FF' stroke-width='1.4'/%3E%3Ccircle cx='11' cy='11' r='2' fill='%230866FF'/%3E%3Cpath d='M11 0v3.5M11 18.5V22M0 11h3.5M18.5 11H22' stroke='%230866FF' stroke-width='1.2'/%3E%3C/svg%3E") 11 11, auto !important;
}

/* the hidden attribute must beat any author display value (e.g. flex rows) */
[hidden] { display: none !important; }

html { scroll-behavior: initial; background: var(--bg); }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--accent-deep); color: var(--on-accent); }
a { color: inherit; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.display { font-family: "Instrument Serif", Georgia, serif; font-weight: 400; }
.mono {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.small { font-size: 0.68rem; }
.dim { opacity: 0.55; }
.accent { color: var(--accent); }
.ch-google { color: var(--google-green) !important; }

h2.display { font-size: clamp(2.4rem, 5.5vw, 4.6rem); line-height: 1.02; letter-spacing: -0.01em; }
h2 .ai, h1 .ai, .footer-mark .ai { font-style: italic; color: var(--accent); }
em { font-style: italic; }

/* blue brand elements: weight kicks up and the broadcast glitches on hover */
.ai { display: inline-block; font-synthesis: weight; transition: letter-spacing 0.2s; }
#brandDot { display: inline-block; }

/* Ben and Heath behave as two words: each thickens on its own hover */
.bh-word { display: inline-block; font-synthesis: weight; transition: letter-spacing 0.2s; }
.bh-word:hover { font-weight: 700; letter-spacing: 0.015em; }
.ai:hover {
  font-weight: 700;
  letter-spacing: 0.015em;
  animation: glitch-text 1.1s steps(2) infinite;
}
/* gentler, slower RGB-split than before */
@keyframes glitch-text {
  0% { text-shadow: 0.018em 0 0 #ff2d55, -0.018em 0 0 #00e5ff; transform: translate(0, 0); }
  50% { text-shadow: -0.02em 0.008em 0 #ffe600, 0.02em -0.008em 0 #00ff85; transform: translate(0.004em, 0); }
  100% { text-shadow: 0.018em 0 0 #00e5ff, -0.018em 0 0 #ff00d4; transform: translate(0, 0); }
}
@keyframes tv-bars {
  0% { background-position: 0% 0; }
  33% { background-position: 55% 0; }
  66% { background-position: 22% 0; }
  100% { background-position: 82% 0; }
}

.pill {
  background: transparent; color: var(--fg-dim);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 0.7em 1.4em; cursor: pointer; letter-spacing: 0.1em;
  transition: border-color 0.2s, color 0.2s;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill-ink { color: var(--paper-dim); border-color: var(--paper-line); }
.pill-ink:hover { border-color: var(--paper-accent); color: var(--paper-accent); }
.pill-ink:disabled { opacity: 0.5; cursor: wait; }

/* --- fixed chrome ---------------------------------------------------------- */

.grain {
  position: fixed; inset: 0; z-index: 90; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}

.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 95; }
.progress span {
  display: block; height: 100%; background: var(--accent-deep);
  transform: scaleX(0); transform-origin: left center;
}

/* usage meter: fixed top-centre, blend-proof on both palettes */
.hud {
  position: fixed; top: 1.1rem; left: 50%; transform: translateX(-50%);
  z-index: 96; display: flex; gap: 0.5em; align-items: center; white-space: nowrap;
  color: #fff; mix-blend-mode: difference; font-size: 0.66rem; letter-spacing: 0.1em;
}
.hud .um-count { font-weight: 500; }
.hud.um-low { color: #ff7a4d; mix-blend-mode: normal; }

.topbar {
  position: fixed; top: 1.05rem; right: 1.25rem; z-index: 96;
  display: flex; gap: 1.3rem; align-items: center;
  color: #fff; mix-blend-mode: difference; font-size: 0.66rem;
}
.topbar a { text-decoration: none; }
.topbar-btn {
  background: none; border: 0; color: inherit; font: inherit;
  letter-spacing: inherit; cursor: pointer; text-transform: uppercase; padding: 0;
}
.topbar-icon {
  background: none; border: 0; color: inherit; cursor: pointer; padding: 0;
  display: inline-flex; align-items: center; line-height: 0;
}
.topbar-icon svg { width: 16px; height: 16px; display: block; }
.topbar-icon.is-off { opacity: 0.5; }
.topbar a:hover, .topbar-btn:hover, .topbar-icon:hover { color: var(--accent); }

/* --- 00 search hero ---------------------------------------------------------- */

.hero { position: relative; min-height: 92svh; display: grid; place-items: center; overflow: hidden; }

/* object-fit: cover = full-bleed backdrop fills any screen (dark theme) */
.hero-media {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
html[data-theme="light"] .hero-media { display: none; }
html[data-theme="light"] .hero {
  background: radial-gradient(110% 95% at 28% 12%, #ffffff 0%, #f4f1ea 55%, #e8e3d6 100%);
}

.hero-inner {
  position: relative; z-index: 1; text-align: center;
  padding: 7rem 1.5rem 4.5rem; width: min(1100px, 100%);
}
.kicker { color: var(--accent); margin-bottom: 1.4rem; }
.wordmark { font-size: clamp(3rem, 9.5vw, 8.5rem); line-height: 0.92; letter-spacing: -0.015em; }
.hero-sub { margin-top: 1.4rem; line-height: 2; color: var(--fg-dim); }

/* the search bar IS the product */
.searchbar {
  position: relative;
  display: flex; align-items: stretch;
  width: min(860px, 100%); margin: 2.8rem auto 0;
  border: 1px solid var(--line);
  background: var(--bar-bg);
  backdrop-filter: blur(8px);
  transition: border-color 0.25s;
}
.searchbar:focus-within { border-color: var(--accent); }
.searchbar-glyph {
  display: flex; align-items: center; padding: 0 0 0 1.2rem;
  color: var(--accent); font-size: 0.95rem;
}
.searchbar input {
  flex: 1; min-width: 0;
  background: transparent; border: 0; color: var(--fg);
  padding: 1.25rem 1.2rem; font-size: 0.95rem; letter-spacing: 0.05em;
}
.searchbar input::placeholder { color: var(--fg-dim); }
.searchbar input:focus { outline: none; }
.searchbar input::-webkit-search-cancel-button { -webkit-appearance: none; }
.searchbar button {
  background: var(--accent-deep); color: var(--on-accent); border: 0;
  padding: 0 2rem; cursor: pointer;
  font-size: 0.72rem; letter-spacing: 0.12em; white-space: nowrap;
  transition: filter 0.2s;
}
.searchbar button:hover {
  animation: tv-bars 0.8s steps(3) infinite;
  background-image: linear-gradient(90deg,
    #ffffff 0 14.3%, #ffe600 14.3% 28.6%, #00e5ff 28.6% 42.9%, #00ff5b 42.9% 57.2%,
    #ff00d4 57.2% 71.5%, #ff2d2d 71.5% 85.8%, #2d2dff 85.8% 100%);
  background-size: 230% 100%;
  color: #0d0b08;
  font-weight: 500;
  text-shadow: 0 0 7px rgba(255, 255, 255, 0.9);
}
.searchbar button:disabled { opacity: 0.6; }

/* suggested topics under the bar */
.topics {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem;
  width: min(860px, 100%); margin: 1.1rem auto 0; min-height: 1.6rem;
}
.topic {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem; letter-spacing: 0.12em;
  background: transparent; border: 1px solid var(--line); color: var(--fg-dim);
  padding: 0.55em 1.05em; border-radius: 999px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.topic:hover { border-color: var(--accent); color: var(--accent); }
.topic.active { background: var(--accent-deep); border-color: var(--accent-deep); color: var(--on-accent); }

/* Add-MCP-to-Claude/ChatGPT button: a Meta-blue CTA under the topic rail; locked
   (free / logged out) it reads disabled and shows a subscribe tooltip on hover. */
.connector-row { position: relative; display: flex; justify-content: center; margin: 1.1rem auto 0; min-height: 2.2rem; }
.connector-btn {
  display: inline-flex; align-items: center; gap: 0.55em;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem; letter-spacing: 0.14em;
  background: var(--accent-deep); color: var(--on-accent); border: 1px solid var(--accent-deep);
  padding: 0.72em 1.35em; border-radius: 999px; cursor: pointer;
  transition: filter 0.2s, border-color 0.2s, color 0.2s, background 0.2s, opacity 0.2s;
}
.connector-btn:hover { filter: brightness(1.12); }
.connector-btn .cx-plug { font-size: 1.05em; line-height: 1; }
.connector-row.locked .connector-btn {
  background: transparent; color: var(--fg-dim); border-color: var(--line);
  cursor: not-allowed; filter: none; opacity: 0.8;
}
.connector-row.locked .connector-btn:hover { border-color: var(--line); color: var(--fg-dim); }
.connector-tip {
  position: absolute; bottom: calc(100% + 9px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--bg-2); color: var(--fg); border: 1px solid var(--line);
  padding: 0.5em 0.85em; border-radius: 6px; white-space: nowrap; letter-spacing: 0.05em;
  opacity: 0; pointer-events: none; transition: opacity 0.18s, transform 0.18s;
  box-shadow: 0 12px 34px var(--shadow); z-index: 5;
}
.connector-row.locked:hover .connector-tip,
.connector-row.locked .connector-btn:focus-visible ~ .connector-tip { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Connector modal body */
.connector-modal-body { display: flex; flex-direction: column; gap: 1.1rem; }
.cx-label { font-family: "IBM Plex Mono", monospace; font-size: 0.58rem; letter-spacing: 0.14em; color: var(--fg-dim); margin-bottom: 0.45rem; }
.cx-url { display: flex; align-items: stretch; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.cx-url input {
  flex: 1; min-width: 0; background: var(--bg); color: var(--fg); border: 0;
  padding: 0.7em 0.9em; font-family: "IBM Plex Mono", monospace; font-size: 0.76rem;
}
.cx-copy {
  background: var(--accent-deep); color: var(--on-accent); border: 0; cursor: pointer;
  padding: 0 1.15em; font-family: "IBM Plex Mono", monospace; font-size: 0.6rem; letter-spacing: 0.12em;
  transition: filter 0.2s, background 0.2s;
}
.cx-copy:hover { filter: brightness(1.12); }
.cx-copy.done { background: var(--accent); }
.cx-platforms { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.cx-platform {
  flex: 1; min-width: 150px; display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  border: 1px solid var(--line); color: var(--fg); background: transparent; cursor: pointer;
  padding: 0.9em 1em; border-radius: 8px; text-decoration: none;
  font-family: "IBM Plex Mono", monospace; font-size: 0.64rem; letter-spacing: 0.1em;
  transition: border-color 0.2s, color 0.2s;
}
.cx-platform:hover { border-color: var(--accent); color: var(--accent); }
.cx-steps { margin: 0; padding-left: 1.1em; font-size: 0.82rem; line-height: 1.55; color: var(--fg-dim); }
.cx-steps li { margin: 0.15em 0; }
.cx-adv { border-top: 1px solid var(--line); padding-top: 0.8rem; }
.cx-adv summary { cursor: pointer; font-family: "IBM Plex Mono", monospace; font-size: 0.6rem; letter-spacing: 0.12em; color: var(--fg-dim); }
.cx-adv pre {
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 0.8em;
  overflow-x: auto; font-size: 0.7rem; line-height: 1.5; margin: 0.6rem 0 0; white-space: pre-wrap; word-break: break-all;
}

/* My Paid Ads Analyzer: transparent interior, only the BORDER glitches; full
   glitch fill on hover. Both speeds are slow. */
.analyzer-btn {
  position: fixed; top: 0.55rem; left: 1.25rem; z-index: 97;
  display: inline-block; padding: 0.72em 1.25em;
  background: transparent; color: var(--accent);
  text-decoration: none; font-size: 0.62rem; letter-spacing: 0.12em;
  white-space: nowrap; transition: color 0.2s;
}
/* the gradient is masked to a 2px ring, so only the border shows the glitch */
.analyzer-btn::before {
  content: ""; position: absolute; inset: 0; z-index: -1; padding: 2px;
  background: linear-gradient(90deg,
    #ffffff 0 14.3%, #ffe600 14.3% 28.6%, #00e5ff 28.6% 42.9%, #00ff5b 42.9% 57.2%,
    #ff00d4 57.2% 71.5%, #ff2d2d 71.5% 85.8%, #2d2dff 85.8% 100%);
  background-size: 230% 100%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  animation: tv-bars 1.6s steps(4) infinite;
}
/* hover: drop the mask so the bars fill the whole button, faster (but still calm) */
.analyzer-btn:hover { color: #0d0b08; text-shadow: 0 0 7px rgba(255, 255, 255, 0.85); }
.analyzer-btn:hover::before {
  -webkit-mask: none; mask: none; padding: 0;
  animation: tv-bars 0.8s steps(3) infinite;
}

/* docked: the bar pins to the top, right of the analyzer button, clear of the nav */
.searchbar.docked {
  position: fixed; top: 0.55rem; left: 15rem; transform: none;
  width: min(520px, calc(100vw - 15rem - 400px)); margin: 0; z-index: 96;
  background: var(--bg-2);
  box-shadow: 0 18px 60px var(--shadow);
}
.searchbar.docked input { padding: 0.78rem 1rem; font-size: 0.8rem; }
.searchbar.docked button { padding: 0 1.3rem; font-size: 0.62rem; }
.searchbar.docked .searchbar-glyph { padding-left: 0.9rem; font-size: 0.8rem; }
.hud { transition: opacity 0.2s; }
body.bar-docked .hud { opacity: 0; pointer-events: none; }

/* Google-style type-ahead dropdown */
.suggest-box {
  position: absolute; top: calc(100% + 1px); left: -1px; right: -1px;
  background: var(--bg-2); border: 1px solid var(--line); border-top: 0;
  z-index: 30; text-align: left; max-height: 340px; overflow-y: auto;
  box-shadow: 0 30px 80px var(--shadow);
}
.suggest-item {
  display: flex; gap: 1rem; align-items: baseline; justify-content: space-between;
  padding: 0.8rem 1.25rem; cursor: pointer;
  border-top: 1px solid var(--line);
}
.suggest-item .s-text { font-size: 0.78rem; letter-spacing: 0.05em; color: var(--fg); }
.suggest-item .s-kind { font-size: 0.55rem; letter-spacing: 0.14em; color: var(--fg-dim); flex: none; }
.suggest-item.active, .suggest-item:hover { background: var(--accent-soft); }
.suggest-item.active .s-text { color: var(--accent); }

#askStatus { display: block; margin-top: 0.9rem; min-height: 1.2em; color: var(--accent); }

/* --- the results sheet: paper dropped under the search bar ------------------ */

.results-sheet {
  width: min(1100px, 100%);
  margin: 2.4rem auto 0;
  background: var(--paper); color: var(--paper-fg);
  text-align: left;
  padding: clamp(1.6rem, 3.5vw, 2.8rem);
  border-top: 3px solid var(--accent-deep);
  box-shadow: 0 40px 120px var(--shadow);
}
.results-sheet .accent { color: var(--paper-accent); }
.sheet-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1.5rem; margin-bottom: 0.4rem;
}
#queryEcho { margin-top: 0.7rem; }

.answer-body { font-size: clamp(1.15rem, 1.8vw, 1.4rem); line-height: 1.6; margin: 1rem 0 1.2rem; }
.answer-body p + p { margin-top: 0.9em; }
.answer-body a { color: var(--paper-accent); }
.answer-loading { color: var(--paper-dim); font-style: italic; display: flex; align-items: center; gap: 0.7rem; }
.spinner {
  width: 16px; height: 16px; flex: none; border-radius: 50%;
  border: 2px solid currentColor; border-top-color: transparent;
  animation: spin 0.75s linear infinite; opacity: 0.7;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* paywall shown in the answer area when free searches run out */
.paywall { margin-top: 0.5rem; border-top: 2px solid var(--paper-accent); padding-top: 1.2rem; }
.paywall-copy { font-size: clamp(1.1rem, 1.8vw, 1.35rem); color: var(--paper-fg); margin: 0.5rem 0 1.1rem; }
.paywall-btn {
  background: var(--accent-deep); color: #fff; border: 0;
  padding: 0.95em 1.8em; cursor: pointer; letter-spacing: 0.12em; font-size: 0.74rem;
  transition: filter 0.2s;
}
.paywall-btn:hover { filter: brightness(1.15); }
.paywall-btn:disabled { opacity: 0.6; cursor: wait; }
#paywallNote { margin-top: 0.8rem; }
#paywallNote a { color: var(--paper-accent); }
.answer-body .answer-h {
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--paper-accent); margin: 1.6em 0 0.5em;
}
.answer-body .answer-bq {
  border-left: 2px solid var(--paper-accent); padding-left: 1em;
  font-style: italic; color: var(--paper-dim); margin: 0.9em 0;
}

/* --- inline video embeds in the answer ------------------------------------------ */

.video-embed { margin: 1.5rem 0 1.7rem; }
.video-facade {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9;
  background: #0d0b08; border: 1px solid var(--paper-fg);
  padding: 0; cursor: pointer; overflow: hidden;
}
.video-facade img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.85; transition: opacity 0.2s, transform 0.35s;
}
.video-facade:hover img { opacity: 1; transform: scale(1.02); }
.video-play {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: var(--accent-deep); color: var(--on-accent);
  padding: 0.85em 1.7em; border-radius: 999px;
  font-size: 0.68rem; letter-spacing: 0.12em; white-space: nowrap;
}
.video-facade:hover .video-play { filter: brightness(1.18); }
.video-frame { width: 100%; aspect-ratio: 16 / 9; border: 1px solid var(--paper-fg); }
.video-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.video-embed figcaption { margin-top: 0.55rem; letter-spacing: 0.1em; color: var(--paper-dim); }

/* --- go deeper: related follow-up questions ------------------------------------- */

.related { margin-top: 1.7rem; border-top: 1px solid var(--paper-line); padding-top: 1rem; }
.related-list { list-style: none; margin-top: 0.4rem; }
.rel-q {
  display: flex; gap: 0.8rem; align-items: baseline;
  padding: 0.6rem 0; border-bottom: 1px solid var(--paper-line);
}
.rel-q .arrow { color: var(--paper-accent); font-size: 0.7rem; flex: none; }
.rel-q .q { font-size: 1.08rem; line-height: 1.3; transition: color 0.15s; }
.rel-q:hover .q { color: var(--paper-accent); }

/* --- sources: a lowkey dropdown ---------------------------------------------------- */

.sources-drop { margin-top: 1.4rem; border-top: 1px solid var(--paper-line); padding-top: 0.85rem; }
.sources-drop summary {
  color: var(--paper-dim); letter-spacing: 0.12em; list-style: none;
  transition: color 0.15s; user-select: none;
}
.sources-drop summary::-webkit-details-marker { display: none; }
.sources-drop summary:hover, .sources-drop[open] summary { color: var(--paper-accent); }
.sources-compact { list-style: none; margin-top: 0.7rem; }
.src-row {
  display: flex; gap: 0.85rem; align-items: baseline; flex-wrap: wrap;
  padding: 0.45rem 0; border-bottom: 1px solid var(--paper-line);
}
.src-row .n { color: var(--paper-dim); font-size: 0.6rem; letter-spacing: 0.1em; flex: none; }
.src-row .t { font-size: 1rem; line-height: 1.25; }
.src-row a.t { text-decoration-color: var(--paper-accent); }
.src-row a.t:hover { color: var(--paper-accent); }
.src-row .m { color: var(--paper-dim); font-size: 0.6rem; letter-spacing: 0.1em; text-decoration: none; }
.src-row a.m:hover { color: var(--paper-accent); }

.speak-row {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  margin-top: 1.3rem; padding-top: 1.1rem; border-top: 1px solid var(--paper-line);
}
#speakAudio { width: min(420px, 100%); height: 36px; }

/* --- 01 field notes: the learning deck -------------------------------------------- */

.briefings { padding: clamp(4rem, 8vw, 7rem) clamp(1.25rem, 5vw, 5rem); }
.briefings-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 1.5rem; flex-wrap: wrap; margin-bottom: 2.4rem;
}
.briefings-head p { margin-top: 0.9rem; }

.cards {
  list-style: none;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
}
/* each slot stacks cards so a swap reveals the new one waiting underneath */
.card-slot { position: relative; list-style: none; }
.card-slot .card { height: 100%; }
.card-leaving { position: absolute; inset: 0; z-index: 2; }
.card {
  display: flex; flex-direction: column; gap: 1rem;
  min-height: 230px; padding: 1.5rem 1.5rem 1.4rem;
  background: var(--bg-2); border: 1px solid var(--line);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.25s;
}
.card:hover { border-color: var(--accent); transform: translateY(-4px); }
.card-meta { display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: baseline; color: var(--fg-dim); }
.card-meta .chip { border: 1px solid var(--line); padding: 0.15em 0.7em; border-radius: 999px; }
.card-meta .s-watch { margin-left: auto; color: var(--fg-dim); text-decoration: none; letter-spacing: 0.12em; font-size: 0.55rem; }
.card-meta .s-watch:hover { color: var(--accent); }
.card-q { font-size: clamp(1.25rem, 1.9vw, 1.6rem); line-height: 1.2; flex: 1; }
.card-src {
  color: var(--fg-dim);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.card-cta { color: var(--accent); opacity: 0; transform: translateX(-4px); transition: opacity 0.2s, transform 0.2s; }
.card:hover .card-cta { opacity: 1; transform: none; }

/* skeleton shimmer while the deck regenerates */
.card.skel { cursor: default; }
.card.skel:hover { border-color: var(--line); transform: none; }
.skel-line {
  height: 12px; border-radius: 2px;
  background: linear-gradient(90deg, var(--skel-a), var(--skel-b), var(--skel-a));
  background-size: 200% 100%;
  animation: shimmer 1.3s linear infinite;
}
.skel-line.tall { height: 22px; }
.w30 { width: 30%; } .w60 { width: 60%; } .w80 { width: 80%; } .w90 { width: 90%; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* --- card popup: video at the timestamp + direct answer -------------------------- */

.card-modal {
  position: fixed; left: 50%; top: 50%; z-index: 110;
  transform: translate(-50%, -50%) scale(0.97);
  width: min(720px, 94vw); max-height: 88dvh; overflow-y: auto;
  background: var(--bg-2); color: var(--fg);
  border: 1px solid var(--line);
  padding: 1.4rem 1.6rem 1.6rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.22s, transform 0.22s;
  box-shadow: 0 50px 140px var(--shadow);
}
.card-modal.open { opacity: 1; pointer-events: auto; transform: translate(-50%, -50%) scale(1); }
#cardModalScrim { z-index: 109; }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.9rem; }
.modal-q { font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1.15; margin-bottom: 1.1rem; }
#modalVideo .video-frame { border-color: var(--line); margin-bottom: 1.2rem; }
.modal-answer { font-size: 1.05rem; line-height: 1.6; }
.modal-answer p + p { margin-top: 0.8em; }
.modal-answer a { color: var(--accent); }
.modal-answer .answer-h {
  font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); margin: 1.4em 0 0.45em;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
}
.modal-answer .answer-bq {
  border-left: 2px solid var(--accent); padding-left: 1em;
  font-style: italic; color: var(--fg-dim); margin: 0.8em 0;
}
.modal-answer .skel-line { margin-bottom: 0.7rem; }
#modalSrc { margin-top: 1.2rem; }
.modal-foot { margin-top: 1.2rem; padding-top: 1.1rem; border-top: 1px solid var(--line); }

/* --- first-load intro film ---------------------------------------------------------- */

.intro {
  position: fixed; inset: 0; z-index: 200;
  background: var(--bg);
  display: grid; place-items: center;
}
.intro-stage {
  position: relative; width: min(760px, 88vw); aspect-ratio: 16 / 9;
  background: #050505; border: 1px solid var(--line); overflow: hidden;
  will-change: transform;
}
.intro-stage video { width: 100%; height: 100%; object-fit: cover; display: block; }
.intro-static {
  position: absolute; inset: -50%;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.45;
  animation: static-jump 0.18s steps(3) infinite;
}
@keyframes static-jump {
  0% { transform: translate(0, 0); }
  33% { transform: translate(-6%, 4%); }
  66% { transform: translate(5%, -5%); }
  100% { transform: translate(-3%, -2%); }
}
.intro-label {
  position: absolute; left: 50%; bottom: 1.2rem; transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7); letter-spacing: 0.12em; white-space: nowrap;
  max-width: 92%; overflow: hidden; text-overflow: ellipsis;
}
.intro-skip { position: fixed; right: 1.5rem; bottom: 1.5rem; z-index: 201; }
html.intro-lock body { overflow: hidden; }

/* --- account drawer (history lives here, claude-style) ----------------------- */

.drawer-scrim {
  position: fixed; inset: 0; z-index: 98;
  background: var(--scrim);
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.drawer-scrim.open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 99;
  width: min(430px, 94vw);
  background: var(--bg-2); border-left: 1px solid var(--line);
  transform: translateX(102%); transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
  display: flex; flex-direction: column;
  padding: 1.4rem 1.5rem 1.6rem; overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.6rem; }
.drawer-x { background: none; border: 0; color: var(--fg-dim); cursor: pointer; font-size: 0.8rem; }
.drawer-x:hover { color: var(--accent); }

.auth-tabs { display: flex; gap: 0.6rem; margin-bottom: 1.5rem; }
.auth-tabs button {
  background: none; border: 1px solid var(--line); color: var(--fg-dim);
  padding: 0.6em 1.1em; border-radius: 999px; cursor: pointer; letter-spacing: 0.1em;
}
.auth-tabs button.active { border-color: var(--accent); color: var(--accent); }

#authForm label { display: block; color: var(--fg-dim); margin-bottom: 1.05rem; letter-spacing: 0.1em; }
#authForm input {
  display: block; width: 100%; margin-top: 0.45rem;
  background: transparent; border: 1px solid var(--line); border-radius: 0;
  color: var(--fg); padding: 0.85rem 0.9rem; font-size: 0.8rem;
}
#authForm input:focus { outline: none; border-color: var(--accent); }
#authSubmit {
  width: 100%; background: var(--accent-deep); color: var(--on-accent); border: 0;
  padding: 1em 0; cursor: pointer; letter-spacing: 0.12em; margin-top: 0.4rem;
  transition: filter 0.2s;
}
#authSubmit:hover { filter: brightness(1.18); }
#authSubmit:disabled { opacity: 0.6; cursor: wait; }
#authError { margin-top: 0.9rem; min-height: 1.2em; }
.auth-note { margin-top: 1.5rem; line-height: 1.9; }

/* subscription status + upgrade/manage in the account drawer */
.plan-block { border: 1px solid var(--line); padding: 1rem 1.1rem; margin-bottom: 1.5rem; }
.plan-block .plan-name { font-size: 1.2rem; }
.plan-block .plan-name.unlimited { color: var(--accent); }
.plan-block .plan-sub { color: var(--fg-dim); margin-top: 0.25rem; }
.plan-block button {
  width: 100%; margin-top: 0.9rem; cursor: pointer; padding: 0.8em 0;
  font-family: "IBM Plex Mono", monospace; font-size: 0.66rem; letter-spacing: 0.1em;
}
.plan-block .plan-upgrade { background: var(--accent-deep); color: #fff; border: 0; transition: filter 0.2s; }
.plan-block .plan-upgrade:hover { filter: brightness(1.15); }
.plan-block .plan-manage { background: none; border: 1px solid var(--line); color: var(--fg-dim); }
.plan-block .plan-manage:hover { border-color: var(--accent); color: var(--accent); }
.hist-label { margin-bottom: 0.7rem; }

.history-list { list-style: none; flex: 1; }
.hist-item {
  display: grid; grid-template-columns: 1fr auto; gap: 0.8rem; align-items: start;
  padding: 0.95rem 0; border-bottom: 1px solid var(--line); cursor: pointer;
}
.hist-q { font-family: "Instrument Serif", Georgia, serif; font-size: 1.08rem; line-height: 1.25; }
.hist-item:hover .hist-q { color: var(--accent); }
.hist-date { color: var(--fg-dim); font-size: 0.55rem; letter-spacing: 0.12em; margin-top: 0.4rem; }
.hist-del { background: none; border: 0; color: var(--fg-dim); cursor: pointer; font-size: 0.7rem; padding: 0.2rem; }
.hist-del:hover { color: var(--accent); }
#signOutBtn { margin-top: 1.5rem; align-self: flex-start; }

/* --- footer ----------------------------------------------------------------------------- */

.footer {
  background: var(--bg); border-top: 1px solid var(--line); text-align: center;
  padding: 5rem 1.5rem 6rem;
}
.footer-mark { font-size: clamp(1.5rem, 4vw, 2.4rem); line-height: 1; margin-bottom: 1rem; }
.footer-links a { color: var(--fg-dim); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }
.footer-links .sep { color: var(--accent); padding: 0 0.7em; }

/* --- responsive ---------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .searchbar.docked { top: 2.6rem; left: 2vw; width: 96vw; }
  .analyzer-btn { font-size: 0.52rem; padding: 0.6em 0.9em; }
}
@media (prefers-reduced-motion: reduce) {
  .analyzer-btn::before, .analyzer-btn:hover { animation: none; }
}
@media (max-width: 680px) {
  .cards { grid-template-columns: 1fr; }
  .card { min-height: 0; }
  .searchbar { flex-direction: column; }
  .searchbar-glyph { display: none; }
  .searchbar input { padding: 1.1rem 1.2rem; }
  .searchbar button { padding: 1rem 0; }
  .topbar-link { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .progress { display: none; }
  .skel-line { animation: none; }
  .ai:hover, .searchbar button:hover, .intro-static { animation: none; }
}