/* ============================================================================
   EFHAAM — authenticated surfaces (/login, /console)
   Built entirely on the shared tokens (css/tokens.css): the ivory/ebony chess
   set, the same hairlines, the same type stacks. No new palette values here —
   the design is settled (STATE.md) and this sheet only recombines it. The
   console uses the dark teach-console vocabulary (--ebony ground, --on-dark
   ink, --hair rules); /login inverts to the ivory paper ground.
   ========================================================================== */

/* ------------------------------------------------------------------ shared */
.auth { margin: 0; line-height: 1.5; }
.auth *, .auth *::before, .auth *::after { box-sizing: border-box; }
/* One legibility tint, the documented exception pages.css already made: the
   token's own value lands near 4.4:1 on --void, under AA for the console's
   small mono meta (session ids, counts, captions). One step brighter holds
   three visible tiers instead of flattening faint into dim. */
.auth { --on-dark-faint: #8a8296; }
.auth :focus-visible { outline: 2px solid var(--knight); outline-offset: 4px; }
.auth a.btn { display: inline-flex; align-items: center; text-decoration: none; }
.auth button, .auth input, .auth select { min-height: 44px; }
.auth-eyebrow { font: 0.72rem var(--mono); letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 1rem; }

.auth, .con-main {
  font-family: var(--sans);
  color: var(--on-dark);
  background: var(--void);
  min-height: 100dvh;
}

/* This sheet gives several toggleable blocks (the gate, the empty state, the
   full-viewport viewer) an author `display`, which beats the UA's
   `[hidden] { display: none }` — the same trap teach.css and pages.css already
   compensate for. Without this the hidden viewer still covers the console and
   swallows every click. */
[hidden] { display: none !important; }

.auth-noscript {
  max-width: 38rem;
  margin: 18vh auto;
  padding: 2rem;
  text-align: center;
  color: var(--on-dark-dim);
}
.auth-noscript a { color: var(--on-dark); }

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--on-dark);
  text-decoration: none;
  font-family: var(--display);
  font-size: 1.25rem;
}
/* The mark is the monogram (king + E), masked from /assets/monogram.png exactly
   as the public chrome's .mark is — a bare background square here was the
   "logo doesn't show" defect on /login and /console. The box is sized against
   the wordmark the way acts.css sizes #nav's: at 18px of box the monogram's
   own padding left ~10px of ink under a 1.25rem word, which read as a speck. */
.auth-brand .mark {
  width: 1.7rem;
  height: 1.7rem;
  display: block;
  background: var(--ivory);
  -webkit-mask: url('/assets/monogram.png') center/124% no-repeat;
  mask: url('/assets/monogram.png') center/124% no-repeat;
  -webkit-mask-position: 50% 48%;
  mask-position: 50% 48%;
  mask-mode: luminance;
  -webkit-mask-mode: luminance;
}

/* Auth pages load only tokens.css + this sheet, so the public skip-link rule
   in pages.css never reaches them — the link rendered as raw blue underlined
   text pinned to the top-left. Same pattern as pages.css's .pg-skip. */
.auth .pg-skip, .con-main .pg-skip {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.auth .pg-skip:focus, .con-main .pg-skip:focus {
  position: fixed;
  z-index: 60;
  top: 8px;
  left: 8px;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.6em 1em;
  clip-path: none;
  background: var(--fg);
  color: var(--fg-inv);
  border-radius: 6px;
}

.btn {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.6rem 1.2rem;
  border-radius: 999px;
  border: 1px solid var(--hair-strong);
  background: var(--ivory);
  color: var(--ink);
  cursor: pointer;
}
.btn:hover { background: var(--ivory-2); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn-ghost {
  background: transparent;
  color: var(--on-dark);
  border-color: var(--hair-strong);
}
.btn-ghost:hover { background: var(--ebony-3); }

.mono { font-family: var(--mono); }

/* ------------------------------------------------------------------- /login */
.auth-main {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 1.5rem;
  padding: var(--gut);
  min-height: 100dvh;
  box-sizing: border-box;
}
.is-login .auth-card {
  width: min(28rem, 100%);
  border: 1px solid var(--hair-strong);
  box-shadow: 0 24px 80px rgb(0 0 0 / 0.3), inset 0 1px var(--on-dark);
  background: var(--ivory);
  color: var(--on-light);
  border-radius: 12px;
  padding: 2.25rem 2rem;
  box-sizing: border-box;
}
.is-login h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.9rem;
  margin: 0 0 0.4rem;
}
.auth-lede { color: var(--on-light-dim); margin: 0 0 1.5rem; font-size: 0.95rem; }
.is-login label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--on-light-dim);
  margin: 0.9rem 0 0.3rem;
}
.is-login input {
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  font-size: 1rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--hair-ink);
  border-radius: 8px;
  background: var(--ivory-2);
  color: var(--on-light);
}
.is-login input:focus-visible { outline: 2px solid var(--knight); outline-offset: 1px; }
.is-login .btn { width: 100%; margin-top: 1.4rem; }
.is-login .auth-card .btn {
  background: var(--ink); color: var(--ivory); border-color: var(--ink-2);
  border-radius: 8px; box-shadow: inset 0 1px rgb(244 239 228 / 0.18), 0 3px 8px rgb(0 0 0 / 0.12);
}
.is-login .auth-card .btn:hover { background: var(--ink-2); }
.is-login .auth-main { background: radial-gradient(ellipse at 50% 40%, var(--ebony-3), var(--void) 70%); }
.auth-foot { text-align: center; margin: 0; line-height: 1.8; max-width: 100%; }
.auth-foot > span { display: block; margin-top: 0.65rem; }
.auth-help { font-size: 0.8rem; color: var(--on-light-dim); }
.auth-link { min-height: 44px; }
.con-intro { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 2.8rem 0 2rem; }
.con-intro h1 { font: 500 2.4rem/1.2 var(--display); margin: 0; }
.con-intro p:not(.auth-eyebrow) { color: var(--on-dark-dim); margin: 0.8rem 0 0; }
.con-intro .auth-eyebrow { color: var(--on-dark-dim); }
.con-next { margin-top: .8rem; padding: .55rem .7rem; border: 1px solid var(--hair-strong); border-radius: 6px; color: var(--on-dark); background: var(--ebony); font: inherit; cursor: pointer; }
.con-next:hover { border-color: var(--knight); }
.con-delivery { padding: 1rem 1.25rem; border: 1px solid var(--hair); border-radius: 12px; background: var(--ebony); }
.con-delivery .con-tracks { margin: 0.5rem 0; }
.con-delivery p { font-size: 0.8rem; }
@media (max-width: 40rem) {
  .con-intro { flex-direction: column; align-items: stretch; padding: 1.8rem 0; gap: 1.5rem; }
  .auth-main { padding: 2rem 1rem; }
  .is-login .auth-card { padding: 1.8rem 1.5rem; }
}
@media (prefers-reduced-motion: no-preference) {
  .auth .btn, .con-list button { transition: background-color 160ms ease, box-shadow 160ms ease; }
}

.auth-status {
  margin: 1rem 0 0;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  background: rgb(210 96 75 / 0.12);
  color: var(--on-light);
  font-size: 0.9rem;
}
.auth-foot { color: var(--on-dark-faint); font-size: 0.8rem; }
.auth-foot a { color: var(--on-dark-dim); }
.auth-link {
  display: block;
  width: 100%;
  margin-top: 0.8rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--on-light-dim);
  font: inherit;
  font-size: 0.85rem;
  text-decoration: underline;
  cursor: pointer;
}
.auth-link:focus-visible { outline: 2px solid var(--knight); outline-offset: 2px; }
.auth-link:disabled { opacity: 0.55; cursor: default; }

/* Signup layout follows the two-column rhythm of shadcn/ui signup-02 (MIT),
   expressed with Teach64's paper, ink, rule and chessboard vocabulary. */
.signup-main { min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.signup-form-panel { background: var(--ivory); color: var(--on-light); padding: clamp(1.4rem, 3vw, 3rem); display: flex; flex-direction: column; }
.signup-form-panel .auth-brand { color: var(--on-light); }
.signup-form-panel .auth-brand .mark { background: var(--ink); }
.signup-inner { width: min(28rem, 100%); margin: auto; padding: 2rem 0; }
.signup-inner h1 { font: 500 clamp(2.3rem, 4vw, 3.6rem)/1.04 var(--display); letter-spacing: -0.04em; margin: 0 0 1rem; }
.signup-inner .auth-lede { font-size: 1rem; line-height: 1.6; }
.signup-inner label:not(.signup-adult) { display: block; margin: 1rem 0 0.35rem; font-size: 0.84rem; font-weight: 600; }
.is-auth-split .signup-inner label { color: var(--on-light); }
.signup-inner input:not([type=checkbox]) { width: 100%; padding: 0.72rem 0.8rem; font: inherit; color: var(--on-light); background: var(--ivory-2); border: 1px solid var(--hair-ink); border-radius: 7px; }
.signup-inner .auth-help { margin: 0.4rem 0 0; }
.signup-adult { display: flex; gap: 0.7rem; align-items: flex-start; margin: 1.2rem 0; font-size: 0.82rem; line-height: 1.5; }
.signup-adult input { flex: none; width: 1.1rem; min-height: 1.1rem; margin-top: 0.12rem; accent-color: var(--ink); }
.signup-inner .btn { width: 100%; border-radius: 7px; background: var(--ink); color: var(--ivory); }
.signup-inner .btn:hover { background: var(--ink-2); }
.signup-inner .auth-status { background: var(--ivory-2); border: 1px solid var(--hair-ink); }
.signup-signin, .signup-legal { text-align: center; font-size: 0.84rem; color: var(--on-light-dim); }
.signup-signin { margin-top: 1.5rem; }
.signup-legal { font-size: 0.75rem; }
.signup-inner a { color: var(--on-light); text-underline-offset: 0.2em; }
.signup-story { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; gap: 3rem; padding: clamp(2rem, 5vw, 5rem); background: radial-gradient(circle at 50% 35%, var(--ebony-3), var(--void) 70%); }
.signup-story::after { content: ''; position: absolute; inset: 0; opacity: 0.18; pointer-events: none; background: repeating-linear-gradient(90deg, transparent 0 12.5%, var(--hair-strong) 12.5% 12.65%), repeating-linear-gradient(0deg, transparent 0 12.5%, var(--hair-strong) 12.5% 12.65%); }
.signup-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.8rem; width: min(22rem, 90%); aspect-ratio: 1; align-self: center; transform: rotate(-8deg); }
.signup-board span { display: grid; place-items: center; color: var(--ivory); background: var(--ebony-3); border: 1px solid var(--hair-strong); border-radius: 8px; font-size: clamp(2.5rem, 5vw, 5rem); box-shadow: 0 16px 36px rgb(0 0 0 / 0.22); }
.signup-story > div:last-child { position: relative; z-index: 1; max-width: 31rem; }
.signup-story h2 { font: 500 clamp(2.2rem, 4vw, 4rem)/1.08 var(--display); margin: 0 0 1rem; }
.signup-story p:not(.auth-eyebrow) { color: var(--on-dark-dim); line-height: 1.65; }
.signup-story a { color: var(--ivory); text-underline-offset: 0.25em; }
.login-password-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.login-password-row a { font-size: 0.8rem; white-space: nowrap; }
.login-separator { display: flex; align-items: center; gap: 0.9rem; margin: 1.2rem 0; color: var(--on-light-dim); font-size: 0.72rem; text-transform: uppercase; }
.login-separator::before, .login-separator::after { content: ''; height: 1px; flex: 1; background: var(--hair-ink); }
.login-magic { width: 100%; padding: 0.7rem 1rem; border: 1px solid var(--hair-ink); border-radius: 7px; background: transparent; color: var(--on-light); font: inherit; font-size: 0.88rem; cursor: pointer; }
.login-magic:hover { background: var(--ivory-2); }
.login-magic:disabled { opacity: 0.55; cursor: default; }

.library-main { width: min(78rem, 100%); margin: 0 auto; padding: 1.5rem var(--gut) 5rem; }
.library-top, .library-top > div { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.library-top { padding-bottom: 1.25rem; border-bottom: 1px solid var(--hair); }
.library-top .mono { font-size: 0.75rem; color: var(--on-dark-dim); }
.library-hero { padding: clamp(3rem, 7vw, 6rem) 0; max-width: 48rem; }
.library-hero h1 { font: 500 clamp(2.8rem, 6vw, 5.4rem)/1 var(--display); margin: 0 0 1rem; }
.library-hero > p:not(.auth-eyebrow) { max-width: 37rem; color: var(--on-dark-dim); }
.library-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.7rem; }
.library-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem; border-bottom: 1px solid var(--hair); padding-bottom: 1.3rem; }
.library-filter h2 { font: 500 1.8rem var(--display); margin: 0 auto 0 0; }
.library-filter label { font-size: 0.8rem; }
.library-filter input { max-width: 18rem; width: 100%; border: 1px solid var(--hair-strong); border-radius: 6px; background: var(--ebony); color: var(--on-dark); padding: 0.65rem; font: inherit; }
.library-filter .mono { font-size: 0.72rem; color: var(--on-dark-dim); }
.library-list { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr)); gap: 1rem; }
.library-list li { padding: 1.3rem; background: var(--ebony); border: 1px solid var(--hair); border-radius: 8px; }
.library-meta { color: var(--on-dark-faint); font-size: 0.72rem; }
.library-list h3 { font: 500 1.4rem var(--display); margin: 0.7rem 0; }
.library-list p { color: var(--on-dark-dim); font-size: 0.86rem; line-height: 1.55; }
.library-list a { color: var(--ivory); font-size: 0.84rem; }
@media (max-width: 800px) {
  .signup-main { grid-template-columns: 1fr; }
  .signup-story { min-height: 0; }
  .signup-board { display: none; }
}
@media (max-width: 420px) {
  .signup-story { min-height: 0; padding: 2rem 1.5rem; }
  .signup-inner { padding: 3rem 0; }
  .library-top > div { width: 100%; }
.library-filter input { max-width: none; }
}

/* Founder public activity: a restrained, accessible trend view in the existing board palette. */
.is-manage .funnel-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.is-manage .funnel-head h2 { margin-bottom: .25rem; }
.is-manage .funnel-head .auth-eyebrow { margin: 0 0 .35rem; }
.is-manage .funnel-window { padding: .45rem .65rem; border: 1px solid var(--hair-strong); border-radius: 999px; color: var(--on-dark-dim); font-size: .68rem; white-space: nowrap; }
.is-manage .funnel-note { max-width: 62rem; margin: .5rem 0 1.1rem; font-size: .84rem; }
.is-manage .funnel-chart-wrap { overflow: hidden; border: 1px solid var(--hair); border-radius: 10px; background: linear-gradient(180deg, rgb(0 0 0 / .15), rgb(0 0 0 / .3)); }
.is-manage #funnel-chart { display: block; width: 100%; height: auto; min-height: 9rem; }
.is-manage .funnel-gridline { stroke: var(--hair-strong); stroke-width: 1; }
.is-manage .funnel-axis { fill: var(--on-dark-faint); font: 10px var(--mono); }
.is-manage .funnel-line { fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
.is-manage .funnel-home { stroke: #e9ddc8; color: #e9ddc8; }
.is-manage .funnel-sample { stroke: #9eae8e; color: #9eae8e; stroke-dasharray: 6 4; }
.is-manage .funnel-plans { stroke: #ce8868; color: #ce8868; stroke-dasharray: 2 4; }
.is-manage .funnel-checkout { stroke: #87aebe; color: #87aebe; stroke-dasharray: 8 3 2 3; }
.is-manage .funnel-empty { fill: var(--on-dark-dim); font: 12px var(--mono); }
.is-manage .funnel-legend { display: flex; flex-wrap: wrap; gap: .65rem 1.2rem; list-style: none; margin: .9rem 0 1.4rem; padding: 0; color: var(--on-dark-dim); font-size: .76rem; }
.is-manage .funnel-legend li { display: inline-flex; align-items: center; gap: .45rem; }
.is-manage .funnel-swatch { width: .72rem; height: .2rem; border-radius: 999px; background: currentColor; }
.is-manage .funnel-stats { grid-template-columns: repeat(auto-fit, minmax(min(100%, 8rem), 1fr)); gap: .35rem; margin: 0 0 .25rem; }
.is-manage .funnel-stats > div { min-width: 0; padding: .8rem .65rem; border: 1px solid var(--hair); border-radius: 8px; background: rgb(0 0 0 / .12); }
.is-manage .funnel-stats dt { font-size: .73rem; line-height: 1.35; }
.is-manage .funnel-stats dd { font-size: clamp(1.5rem, 3vw, 2rem); font-variant-numeric: tabular-nums; }
.is-manage #funnel-status { margin-bottom: 0; font-size: .74rem; }
@media (max-width: 30rem) {
  .is-manage .funnel-head { flex-wrap: wrap; }
  .is-manage .funnel-window { margin-left: auto; }
  .is-manage .funnel-axis { font-size: 18px; }
  .is-manage .funnel-legend { gap: .55rem .85rem; font-size: .7rem; }
  .is-manage .funnel-stats > div { padding: .65rem .5rem; }
}

/* ---------------------------------------------------------------- /console */
.con-main {
  max-width: 74rem;
  margin: 0 auto;
  padding: 1.5rem var(--gut) 4rem;
  box-sizing: border-box;
}
.con-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--hair);
}
.con-who { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.con-who #con-email { color: var(--on-dark-dim); font-size: 0.85rem; }

.con-gate {
  margin: 18vh auto 0;
  max-width: 30rem;
  text-align: center;
  color: var(--on-dark-dim);
}
.con-gate .btn { margin-top: 1rem; }

.con-tracks { display: flex; gap: 0.5rem; margin: 1.4rem 0 0.8rem; }
.con-tracks button {
  font: inherit;
  font-size: 0.95rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--hair-strong);
  background: transparent;
  color: var(--on-dark-dim);
  cursor: pointer;
}
.con-tracks button[aria-pressed="true"] {
  background: var(--ivory);
  border-color: var(--ivory);
  color: var(--ink);
  font-weight: 500;
}

.con-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.con-filter {
  font-size: 0.85rem;
  color: var(--on-dark-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.con-filter select {
  font: inherit;
  font-size: 0.9rem;
  color: var(--on-dark);
  background: var(--ebony-2);
  border: 1px solid var(--hair-strong);
  border-radius: 8px;
  padding: 0.35rem 0.5rem;
  max-width: 15rem;
}
.con-count { color: var(--on-dark-faint); font-size: 0.8rem; }
.con-bar .btn-ghost { margin-left: auto; }
.con-bar input[type='search'] { min-width: min(100%, 16rem); max-width: 28rem; min-height: 38px; padding: .45rem .7rem; background: var(--ebony-2); color: var(--on-dark); border: 1px solid var(--hair-strong); border-radius: 6px; font: inherit; }
#con-continuity { margin: 0 0 1.25rem; border-block: 1px solid var(--hair); }
#con-continuity > summary { cursor: pointer; padding: .75rem .25rem; color: var(--on-dark); }
#con-continuity .bookmark-panel { margin: 0 0 1rem; border: 0; border-radius: 0; background: transparent; padding: .5rem 0; }
#con-continuity .bookmark-card { border-radius: 6px; }

.con-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair);
}
.con-list li { border-bottom: 1px solid var(--hair); }
.con-list button {
  display: grid;
  grid-template-columns: 4.2rem 1fr auto;
  gap: 0.9rem;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--on-dark);
  background: transparent;
  border: 0;
  padding: 0.7rem 0.4rem;
  cursor: pointer;
  align-items: baseline;
}
.con-list button:hover { background: var(--ebony-2); }
.con-list button:focus-visible { outline: 2px solid var(--knight); outline-offset: -2px; }
.con-list .sid { font-family: var(--mono); font-size: 0.8rem; color: var(--on-dark-faint); }
.con-list .ttl { font-size: 1rem; }
.con-list .ttl .obj {
  display: block;
  font-size: 0.85rem;
  color: var(--on-dark-dim);
  margin-top: 0.15rem;
}
.con-list .meta { font-family: var(--mono); font-size: 0.75rem; color: var(--on-dark-faint); white-space: nowrap; }

.con-empty { color: var(--on-dark-dim); padding: 1.5rem 0.4rem; }
.con-status { color: var(--on-dark-dim); font-size: 0.85rem; margin-top: 1rem; }
.con-feedback { margin: 0.5rem 0 1rem; color: var(--on-dark-dim); font-size: 0.85rem; }
.con-feedback a { color: var(--on-dark); text-underline-offset: 0.2em; }

.bookmark-panel { min-width: 0; margin: 0 0 2rem; padding: clamp(1rem, 2.5vw, 1.75rem); border: 1px solid var(--hair-strong); border-radius: 14px; background: var(--ebony); }
.bookmark-panel > header h2 { margin: .25rem 0; font: 500 clamp(1.45rem, 3vw, 2rem)/1.2 var(--display); }
.bookmark-panel > header p:last-child, .bookmark-panel p[role="status"] { color: var(--on-dark-dim); line-height: 1.5; overflow-wrap: anywhere; }
.bookmark-class { display: grid; grid-template-columns: auto minmax(12rem, 1fr) auto; align-items: center; gap: .75rem; margin: 1.25rem 0; }
.bookmark-class p { grid-column: 2 / -1; margin: 0; }
.bookmark-class select, .bookmark-form input, .bookmark-form select { box-sizing: border-box; min-width: 0; width: 100%; padding: .7rem; border: 1px solid var(--hair-strong); border-radius: 6px; color: var(--on-dark); background: var(--void); font: inherit; }
.bookmark-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; gap: 1rem; }
.bookmark-card { min-width: 0; padding: 1rem; border: 1px solid var(--hair); border-radius: 10px; background: var(--ebony-2); }
.bookmark-card h3, .bookmark-card h4 { margin: 0 0 .75rem; font-family: var(--display); font-weight: 500; }
.bookmark-form { display: grid; gap: .55rem; margin-bottom: 1.25rem; }
.bookmark-inline, .bookmark-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .5rem; }
.bookmark-inline input { flex: 1 1 12rem; }
.bookmark-list { display: grid; gap: .6rem; margin: .75rem 0 0; padding: 0; list-style: none; }
.bookmark-list li { display: flex; align-items: center; justify-content: space-between; gap: .75rem; min-width: 0; padding: .75rem; border: 1px solid var(--hair); border-radius: 7px; }
.bookmark-list li > span:first-child { min-width: 0; overflow-wrap: anywhere; color: var(--on-dark-dim); }
.bookmark-list > li > button { width: 100%; padding: .7rem; border: 0; color: var(--on-dark); background: transparent; text-align: left; overflow-wrap: anywhere; }
.bookmark-list > li > button[aria-pressed="true"] { outline: 2px solid var(--knight); outline-offset: 2px; }
.bookmark-panel :is(button, input, select):focus-visible, .viewer-body [data-position]:focus-visible { outline: 2px solid var(--on-dark); outline-offset: 3px; }
.viewer-body .resume-position { min-width: 0; }
.field-error { color: #f3aaa0; font-size: 0.82rem; margin: 0; }

/* ---------------------------------------------------------- /console/manage */
.manage-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.8fr) minmax(20rem, 1.2fr);
  gap: 1rem;
  margin-top: 1.4rem;
}
.manage-panel {
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: var(--ebony);
}
.manage-panel h1,
.manage-panel h2 { margin: 0 0 1rem; font-family: var(--display); font-weight: 500; }
.manage-form { display: grid; gap: 0.55rem; margin-bottom: 1.2rem; }
.manage-form label { color: var(--on-dark-dim); font-size: 0.82rem; }
.manage-form input {
  min-width: 0;
  box-sizing: border-box;
  padding: 0.58rem 0.65rem;
  border: 1px solid var(--hair-strong);
  border-radius: 8px;
  background: var(--ebony-2);
  color: var(--on-dark);
  font: inherit;
}
.manage-form input[type="file"] { width: 100%; }
.manage-inline { display: flex; gap: 0.5rem; }
.manage-inline input { flex: 1; }
.manage-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--hair); }
.manage-list li { padding: 0.75rem 0.25rem; border-bottom: 1px solid var(--hair); }
.manage-list button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--on-dark);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.manage-list button[aria-pressed="true"] { color: var(--knight); }
.manage-row-title { display: block; }
.manage-row-meta { display: block; margin-top: 0.2rem; color: var(--on-dark-faint); font: 0.75rem var(--mono); }

/* Invites console rows reuse the .con-list grid; the row action buttons must
   not inherit it — they are inline pill buttons, not the full-width opener. */
.inv-actions { display: inline-flex; gap: 0.4rem; align-items: center; }
.inv-actions .btn {
  display: inline-block;
  font-size: 0.8rem;
  padding: 0.3rem 0.8rem;
  width: auto;
  grid-column: auto;
}

/* ------------------------------------------------------------------ viewer
   Static, safe fallback for the complete server-rendered lesson document.
   The interactive S115 teaching workspace remains a separate later phase. */
.viewer {
  position: fixed;
  inset: 0;
  z-index: 40;
  background: var(--void);
  display: grid;
  grid-template-rows: auto 1fr;
}
.viewer-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem var(--gut);
  border-bottom: 1px solid var(--hair);
}
.viewer-pos { color: var(--on-dark-faint); font-size: 0.8rem; }
.viewer-nav { margin-left: auto; display: flex; gap: 0.5rem; }
.viewer-bar .bookmark-form { display: flex; align-items: center; flex-wrap: wrap; gap: .45rem; margin: 0; }
.viewer-bar .bookmark-form h4 { width: 100%; margin: 0; font-size: .8rem; }
.viewer-bar .bookmark-form label { font-size: .75rem; color: var(--on-dark-faint); }
.viewer-bar .bookmark-form select { width: auto; max-width: 11rem; }
.viewer-bar .bookmark-form input { width: 4.5rem; }
.viewer-bar .bookmark-form p { flex-basis: 100%; margin: 0; }
.viewer-body { overflow-y: auto; padding: 2rem var(--gut) 4rem; }
.viewer-body > div { width: min(76rem, 100%); margin: 0 auto; }
.viewer-body h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.7rem;
  margin: 0 0 0.4rem;
}
.viewer-body h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 500;
}
.viewer-body h4 {
  margin: 0 0 0.35rem;
  color: var(--on-dark-faint);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.viewer-body p { line-height: 1.55; }
.viewer-body .session-meta,
.viewer-body .duration,
.viewer-body .delivery,
.viewer-body .fen,
.viewer-body .empty,
.viewer-body .board-missing {
  color: var(--on-dark-faint);
  font-size: 0.82rem;
}
.viewer-body .session-meta { margin: 0 0 1rem; font-family: var(--mono); }
.viewer-body .objective { color: var(--on-dark-dim); max-width: 52rem; margin-bottom: 1.5rem; }
.viewer-body > div > section {
  margin-bottom: 0.8rem;
  padding: 1rem;
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: var(--ebony);
}
.viewer-body .facts { display: grid; gap: 0.35rem; margin: 0.8rem 0 0; }
.viewer-body .facts > div { display: grid; grid-template-columns: minmax(7rem, 10rem) 1fr; gap: 0.8rem; }
.viewer-body .facts dt { color: var(--on-dark-faint); font-size: 0.8rem; }
.viewer-body .facts dd { margin: 0; color: var(--on-dark-dim); }
.viewer-body main {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(28rem, 100%), 1fr));
  margin-top: 1.6rem;
}
.viewer-body .segment {
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: var(--ebony);
  padding: 1rem;
}
.viewer-body .duration {
  font-family: var(--mono);
  margin: 0.25rem 0 0.75rem;
}
.viewer-body .delivery { margin: 0 0 0.8rem; }
.viewer-body .text-block,
.viewer-body .list-block { margin-top: 1rem; }
.viewer-body ul { margin: 0.4rem 0 0; padding-left: 1.25rem; color: var(--on-dark-dim); }
.viewer-body li + li { margin-top: 0.3rem; }
.viewer-body .boards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(22rem, 100%), 1fr));
  margin-top: 1rem;
}
.viewer-body .board {
  min-width: 0;
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--hair);
  border-radius: 8px;
  background: var(--ebony-2);
}
.viewer-body .board figcaption { margin-bottom: 0.6rem; font-weight: 500; }
.viewer-body .board-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  width: min(100%, 22rem);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--hair-strong);
  border-radius: 4px;
}
.viewer-body .sq {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  font-size: clamp(0.8rem, 2.5vw, 1.6rem);
  line-height: 1;
}
.viewer-body .sq.light { background: var(--ivory-2); }
.viewer-body .sq.dark { background: var(--rook); }
.viewer-body .sq.white .piece { color: var(--ivory); text-shadow: 0 1px 2px var(--ink); }
.viewer-body .sq.black .piece { color: var(--ink); text-shadow: 0 1px 1px var(--ivory); }
.viewer-body .fen code { overflow-wrap: anywhere; color: var(--on-dark-faint); }
.viewer-body .prompt,
.viewer-body .answer,
.viewer-body .solution,
.viewer-body .result { margin: 0.65rem 0 0; color: var(--on-dark-dim); }
.viewer-body .tag {
  display: inline-block;
  margin-right: 0.3rem;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--hair-strong);
  border-radius: 3px;
  color: var(--on-dark-faint);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Management uses operational numbers, not invented chart series. */
.is-manage .mg-heading { margin: 2rem 0; }
.is-manage .mg-heading h1 { font-family: var(--display); font-size: clamp(2rem, 4vw, 3.8rem); font-weight: 500; line-height: 1.1; }
.is-manage .mg-heading p { color: var(--on-dark-dim); max-width: 65rem; line-height: 1.6; }
.is-manage .mg-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 1.5rem; margin-bottom: 1.5rem; }
.is-manage .manage-panel { min-width: 0; padding: clamp(1rem, 2vw, 1.8rem); margin-bottom: 1.5rem; border: 1px solid var(--hair-strong); border-radius: 14px; background: radial-gradient(400px circle at var(--mg-x, 50%) var(--mg-y, 0%), var(--hair), transparent 65%), linear-gradient(145deg, var(--ebony-2), var(--ebony)); box-shadow: inset 0 1px 0 var(--hair-strong), 0 12px 32px rgba(0, 0, 0, .18); }
.is-manage .manage-panel h2 { margin-top: 0; font-family: var(--display); font-weight: 500; }
.is-manage .manage-panel summary { cursor: pointer; font-family: var(--display); font-size: 1.25rem; padding: .25rem 0; }
.is-manage .manage-panel p { line-height: 1.6; color: var(--on-dark-dim); overflow-wrap: anywhere; }
.is-manage .manage-panel .field-error { color: var(--on-dark); }
.is-manage .mg-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 0 0 2rem; }
.is-manage .mg-stats > div { padding: 1.25rem; border-top: 1px solid var(--hair-strong); }
.is-manage .mg-stats dt { color: var(--on-dark-dim); font-size: .85rem; }
.is-manage .mg-stats dd { margin: .4rem 0 0; font-family: var(--display); font-size: 2.5rem; }
.is-manage .manage-form input, .is-manage .manage-form select, .is-manage input[type="search"] { min-width: 0; width: 100%; box-sizing: border-box; font: inherit; color: var(--on-dark); background: var(--void); border: 1px solid var(--hair-strong); border-radius: 6px; padding: .8rem; }
.is-manage .manage-form select option { color: var(--on-dark); background: var(--void); }
.is-manage .manage-form label { color: var(--on-dark-dim); }
.is-manage .manage-inline { flex-wrap: wrap; gap: .75rem; }
.is-manage .manage-inline h2 { margin: 0 auto 0 0; }
.is-manage .manage-list { margin: 1rem 0; }
.is-manage .manage-list button { width: 100%; text-align: left; overflow-wrap: anywhere; padding: 1rem; border: 1px solid var(--hair); background: var(--ebony); color: var(--on-dark); box-shadow: inset 0 1px 0 var(--hair); transition: transform .15s ease, box-shadow .15s ease; }
.is-manage .manage-list button:hover, .is-manage .manage-list button[aria-pressed="true"] { transform: translateY(-1px); box-shadow: inset 0 1px 0 var(--hair-strong), 0 4px 12px rgba(0, 0, 0, .3); border-color: var(--on-dark-faint); }
.is-manage :is(button, input, select, summary, a):focus-visible { outline: 2px solid var(--on-dark); outline-offset: 4px; }
.is-manage #activity-list { font-size: .85rem; color: var(--on-dark-dim); }
.is-manage #class-lesson { display: inline-block; margin-top: 1rem; color: var(--on-dark); text-underline-offset: .25em; }
.is-manage .manage-form .manage-check { display: flex; align-items: center; gap: .75rem; min-height: 44px; cursor: pointer; }
.is-manage .manage-form input[type="checkbox"] { width: 1.2rem; height: 1.2rem; min-height: 0; padding: 0; margin: 0; flex: 0 0 auto; accent-color: var(--on-dark); }
.is-manage #invite-list li { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; }
.is-manage #invite-list li > span { flex: 1 1 20rem; overflow-wrap: anywhere; }
.is-manage #invite-list button { width: auto; }
.is-manage #staff-invite-form { max-width: 42rem; }
.is-manage [hidden] { display: none !important; }
.curriculum-panel { margin-top: 1.5rem; }
.curriculum-panel > header { margin-bottom: 1rem; }
.curriculum-panel h3 { margin: 0 0 .7rem; font-family: var(--display); font-weight: 500; }
.curriculum-grid { display: grid; grid-template-columns: minmax(16rem, .8fr) minmax(20rem, 1.2fr); gap: 1.5rem; }
.curriculum-detail { margin-top: 1.5rem; padding-top: 1.2rem; border-top: 1px solid var(--hair); }
.curriculum-detail > .manage-inline { align-items: baseline; }
.curriculum-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1rem 0; }
.curriculum-report { min-height: 5rem; max-height: 18rem; overflow: auto; padding: 1rem; border: 1px solid var(--hair); border-radius: 8px; background: var(--void); color: var(--on-dark-dim); font: .75rem/1.5 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.curriculum-panel input[type="text"] { min-width: 0; width: 100%; box-sizing: border-box; font: inherit; color: var(--on-dark); background: var(--void); border: 1px solid var(--hair-strong); border-radius: 6px; padding: .8rem; }
.curriculum-panel select[multiple] { min-height: 8rem; }
@media (prefers-reduced-motion: reduce) { .is-manage .manage-list button { transition: none; transform: none; } }
@media (max-width: 50rem) { .is-manage .mg-columns { grid-template-columns: minmax(0, 1fr); } .curriculum-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 30rem) { .is-manage .con-main { padding-left: 16px; padding-right: 16px; } .is-manage .mg-stats { gap: .25rem; } .is-manage .mg-stats > div { padding: .5rem; } .is-manage .mg-stats dd { font-size: 2rem; } .is-manage .con-who { flex-wrap: wrap; } .is-manage #manage-email { overflow-wrap: anywhere; } }

@media (max-width: 40rem) {
  .bookmark-grid { grid-template-columns: minmax(0, 1fr); }
  .bookmark-class { grid-template-columns: minmax(0, 1fr); }
  .bookmark-class p { grid-column: auto; }
  .bookmark-list li { align-items: stretch; flex-direction: column; }
  .manage-grid { grid-template-columns: 1fr; }
  .manage-inline { align-items: stretch; flex-direction: column; }
  .con-list button { grid-template-columns: 3.4rem 1fr; }
  .con-list .meta { display: block; white-space: normal; grid-column: 2; }
  .viewer-bar { align-items: flex-start; flex-wrap: wrap; }
  .viewer-pos { order: 3; width: 100%; }
  .viewer-body { padding-top: 1.25rem; }
  .viewer-body main,
  .viewer-body .boards { grid-template-columns: 1fr; }
  .viewer-body .facts > div { grid-template-columns: 1fr; gap: 0.1rem; }
}