/* Home (greeting, composer, topic cards), Chats and Playbooks. */

.main { grid-column: 2; }

/* --------------------------------------------------------------------- Home */

.page-home {
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-gutter: stable both-edges;
}

.home {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: var(--home-w);
  min-height: 100%;
  margin: 0 auto;
  padding: clamp(20px, 7vh, 88px) max(28px, env(safe-area-inset-right)) 48px 28px;
}

.home-orb { margin-bottom: 32px; }

.greeting {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 36px;
  font-family: var(--font-display);
  font-size: clamp(34px, 4.4vw, 50px);
  line-height: 1.1;
  font-weight: var(--fw-semibold);
  letter-spacing: -.025em;
  text-align: center;
  text-wrap: balance;
}
.greeting span {
  display: block;
  overflow-wrap: anywhere;
  padding-bottom: .04em;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, .72) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.greeting .greeting-2 {
  background: linear-gradient(180deg, rgba(255, 255, 255, .8) 0%, rgba(255, 255, 255, .58) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}

.home-dock { width: 100%; }

.home-topics {
  width: 100%;
  margin-top: 40px;
}
.home-topics > .section-label { margin: 0 4px 12px; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.topic-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 140px;
  padding: 14px 16px 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255, 255, 255, .05) 0%, rgba(255, 255, 255, .02) 100%);
  box-shadow: var(--top-light), var(--shadow-1);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  color: var(--text-1);
  text-align: left;
  cursor: pointer;
  transition: transform var(--slow) var(--ease), background-color var(--slow) var(--ease), border-color var(--slow) var(--ease), box-shadow var(--slow) var(--ease);
}
.topic-card:hover {
  transform: translateY(-2px);
  border-color: var(--hairline-2);
  box-shadow: var(--top-light), var(--shadow-2);
}
.topic-card:active { transform: translateY(0); }

.topic-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 14px;
}
.topic-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline-2);
  background: radial-gradient(circle at 30% 20%, rgba(255, 255, 255, .12), rgba(255, 255, 255, .03) 70%);
  box-shadow: var(--top-light);
  color: var(--text-1);
}
.topic-icon svg { width: 18px; height: 18px; }
.topic-arrow {
  width: 16px;
  height: 16px;
  color: var(--text-3);
  transition: transform var(--slow) var(--ease), color var(--slow) var(--ease);
}
.topic-card:hover .topic-arrow, .pb-card:hover .topic-arrow { color: var(--text-1); transform: translate(2px, -2px); }

.topic-title {
  font-size: 14px;
  font-weight: var(--fw-semibold);
  letter-spacing: -.01em;
  color: var(--text-1);
}
.topic-desc {
  font-size: 13px;
  line-height: 1.45;
  color: var(--text-2);
  text-wrap: pretty;
}

/* Home entrance: a small, quick stagger, once per visit. */
.page-home.is-entering .home-orb { animation: fade-up var(--slow) var(--ease) both; }
.page-home.is-entering .greeting { animation: fade-up var(--slow) var(--ease) 40ms both; }
.page-home.is-entering .home-dock { animation: fade-up var(--slow) var(--ease) 80ms both; }
.page-home.is-entering .home-topics > .section-label { animation: fade-up var(--slow) var(--ease) 120ms both; }
.page-home.is-entering .topic-card { animation: fade-up var(--slow) var(--ease) both; }
.page-home.is-entering .topic-card:nth-child(1) { animation-delay: 140ms; }
.page-home.is-entering .topic-card:nth-child(2) { animation-delay: 170ms; }
.page-home.is-entering .topic-card:nth-child(3) { animation-delay: 200ms; }
.page-home.is-entering .topic-card:nth-child(4) { animation-delay: 230ms; }

/* ----------------------------------------------------------------- Composer */

.composer {
  position: relative;
  width: 100%;
  padding: 16px 12px 12px 20px;
  border-radius: var(--r-comp);
  border: 1px solid var(--hairline-2);
  background: linear-gradient(180deg, rgba(255, 255, 255, .07) 0%, rgba(255, 255, 255, .035) 100%);
  -webkit-backdrop-filter: blur(28px) saturate(140%);
  backdrop-filter: blur(28px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .09), var(--shadow-2);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .composer { background: #15161e; }
}
.composer::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .18), rgba(255, 255, 255, 0) 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  pointer-events: none;
}
.composer:focus-within {
  outline: 2px solid transparent;
  outline-offset: 2px;
  border-color: rgba(179, 168, 255, .5);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1), 0 0 0 3px rgba(156, 140, 255, .18), 0 0 48px -12px rgba(140, 125, 255, .35), var(--shadow-2);
}

.composer textarea {
  display: block;
  width: 100%;
  min-height: 56px;
  /* The visible viewport, not vh, which ignores the on-screen keyboard. */
  max-height: min(calc(var(--app-height, 100dvh) * .35), 280px);
  padding: 2px 6px 0 0;
  border: 0;
  outline: none;
  resize: none;
  overflow-y: auto;
  background: transparent;
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.55;
  caret-color: var(--iris);
  scrollbar-width: thin;
}
.composer textarea::placeholder { color: var(--text-3); }
.composer textarea:focus-visible { outline: none; }

.composer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  min-height: 40px;
}

.chips {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-mask-image: linear-gradient(90deg, #000 calc(100% - 24px), transparent);
  mask-image: linear-gradient(90deg, #000 calc(100% - 24px), transparent);
  padding: 4px 24px 4px 2px;
  scroll-padding-inline-end: 32px;
}
.chips::-webkit-scrollbar { display: none; }

.chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 32px;
  padding: 0 12px 0 10px;
  flex: none;
  border-radius: 999px;
  border: 1px solid var(--hairline-2);
  background: rgba(255, 255, 255, .035);
  color: var(--text-2);
  font-size: 13px;
  font-weight: var(--fw-regular);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--fast) var(--ease), border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}
.chip-btn svg { width: 15px; height: 15px; color: var(--text-3); transition: color var(--fast) var(--ease); }
.chip-btn:hover { background: rgba(255, 255, 255, .075); border-color: var(--hairline-3); color: var(--text-1); }
.chip-btn:hover svg { color: var(--text-1); }
/* Inside the ring's reach: the scrolling chip row would clip an outer one. */
.chip-btn:focus-visible { outline-offset: -2px; }

.composer-count {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-3);
  white-space: nowrap;
}
.composer-count.is-over { color: var(--danger); font-weight: var(--fw-semibold); }

.send-btn {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  flex: none;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--hairline-2);
  border-radius: 50%;
  background: rgba(255, 255, 255, .06);
  color: var(--text-3);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), box-shadow var(--slow) var(--ease), transform 120ms var(--ease), border-color var(--dur) var(--ease);
}
.composer-count:not([hidden]) + .send-btn { margin-left: 0; }
/* The accent fill fades in on its own layer: a gradient cannot be transitioned. */
.send-btn::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: var(--accent-grad);
  opacity: 0;
  transform: scale(.85);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.composer.has-text .send-btn::before { opacity: 1; transform: none; }
.send-btn .ico { width: 18px; height: 18px; }
.send-btn:disabled { cursor: default; }
.composer.has-text .send-btn {
  border-color: rgba(255, 255, 255, .3);
  color: var(--text-inverse);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .55), 0 0 0 4px rgba(156, 140, 255, .12), var(--accent-glow);
}
.composer.has-text .send-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.composer.has-text .send-btn:active { transform: none; }

.composer-hint {
  margin: 8px 2px 0;
  font-size: 13px;
  color: var(--text-2);
}
.composer-hint.is-warn { color: var(--warn); }

/* Docked in a thread: tighter. */
.composer.is-docked { padding: 12px 8px 8px 16px; border-radius: var(--r-comp); }
.composer.is-docked textarea { min-height: 26px; max-height: min(calc(var(--app-height, 100dvh) * .28), 220px); padding-top: 4px; }
.composer.is-docked .composer-row { margin-top: 2px; min-height: 40px; }
.composer.is-docked .composer-count { margin-left: auto; }

/* ------------------------------------------------------------- List pages */

.page-list {
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-gutter: stable both-edges;
}

.page-inner {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 24px max(28px, env(safe-area-inset-right)) 64px 28px;
}
.page-inner-wide { max-width: 1040px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.page-head-stack { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 28px; }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.2vw, 36px);
  line-height: 1.1;
  font-weight: var(--fw-semibold);
  letter-spacing: -.025em;
  background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, .74) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.page-lede { max-width: 58ch; font-size: 15px; line-height: 1.6; color: var(--text-2); }
.chats-shared-note { margin: -8px 0 18px; font-size: 14px; }

.search-field {
  position: relative;
  display: flex;
  align-items: center;
}
.search-field > .ico {
  position: absolute;
  left: 14px;
  color: var(--text-3);
  pointer-events: none;
}
.search-input {
  width: 100%;
  height: 46px;
  padding: 0 14px 0 42px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline-2);
  background: rgba(255, 255, 255, .035);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, .25);
  color: var(--text-1);
  font-size: 15px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.search-input::placeholder { color: var(--text-3); }
.search-input:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  border-color: var(--accent-line);
  box-shadow: var(--accent-ring);
}
.search-input::-webkit-search-cancel-button { filter: invert(.7); }

.list-meta { min-height: 1.5em; margin: 12px 4px 4px; font-size: 12px; color: var(--text-3); }

/* The loading placeholder is the real list card, with rows on the real 54px pitch. */
.skel-rows { margin-top: 20px; }
.skel-rows .skel-rowbox { height: 54px; padding: 0 18px; }
.skel-rows .skel-rowbox + .skel-rowbox { border-top: 1px solid var(--hairline); }
.chats-group { margin-top: 20px; }
.chats-group > .section-label { margin: 0 4px 8px; }

.chats-rows {
  list-style: none;
  border-radius: var(--r-card);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .018));
  box-shadow: var(--top-light), var(--shadow-1);
  overflow: hidden;
}
.chats-rows .conv + .conv { border-top: 1px solid var(--hairline); }
.conv-wide .conv-link {
  height: 54px;
  padding: 0 56px 0 18px;
  border-radius: 0;
  font-size: 14px;
  color: var(--text-1);
  gap: 12px;
}
.conv-wide .conv-link:hover { background: rgba(255, 255, 255, .04); }
/* The card clips its rows, so the focus ring is drawn inside the row, and the
   end rows follow the card's corners. */
.chats-rows .conv-link:focus-visible { outline-offset: -3px; }
.chats-rows .conv:first-child .conv-link { border-radius: 17px 17px 0 0; }
.chats-rows .conv:last-child .conv-link { border-radius: 0 0 17px 17px; }
.chats-rows .conv:only-child .conv-link { border-radius: 17px; }
.conv-wide .conv-time { flex: none; font-size: 12px; color: var(--text-3); }
.conv-pin { width: 14px; height: 14px; flex: none; color: var(--text-3); }
.conv-wide .conv-more { right: 12px; width: 32px; height: 32px; }

.empty {
  margin-top: 28px;
  padding: 40px 24px;
  border-radius: var(--r-card);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .015));
  box-shadow: var(--top-light), var(--shadow-1);
  text-align: center;
}
.empty-title { font-family: var(--font-display); font-size: 16px; font-weight: var(--fw-semibold); color: var(--text-1); overflow-wrap: anywhere; }
.empty-body { margin-top: 8px; font-size: 14px; color: var(--text-2); overflow-wrap: anywhere; }
.empty .btn { margin-top: 16px; }

.load-older { display: flex; margin: 20px auto 0; }

/* ---------------------------------------------------------------- Playbooks */

.playbook-groups { display: flex; flex-direction: column; gap: 36px; }

.pb-group-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.pb-group-icon {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 10px;
  border: 1px solid var(--hairline-2);
  background: rgba(255, 255, 255, .04);
  color: var(--text-1);
}
.pb-group-icon svg { width: 16px; height: 16px; }
.pb-group-title { font-size: 16px; font-weight: var(--fw-semibold); letter-spacing: -.01em; }
.pb-group-count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  color: var(--text-3);
  font-size: 12px;
  font-weight: var(--fw-semibold);
}

.pb-grid {
  display: grid;
  /* Four across from about 930px, so the four-card group fills its row. */
  grid-template-columns: repeat(auto-fill, minmax(216px, 1fr));
  gap: 12px;
}

.pb-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 104px;
  padding: 16px 16px 18px;
  border-radius: var(--r-card);
  border: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(255, 255, 255, .045) 0%, rgba(255, 255, 255, .018) 100%);
  box-shadow: var(--top-light), var(--shadow-1);
  color: var(--text-1);
  text-align: left;
  cursor: pointer;
  transition: transform var(--slow) var(--ease), border-color var(--slow) var(--ease), box-shadow var(--slow) var(--ease);
}
.pb-card:hover { transform: translateY(-2px); border-color: var(--hairline-2); box-shadow: var(--top-light), var(--shadow-2); }
.pb-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; width: 100%; }
.pb-card-title { font-size: 14px; font-weight: var(--fw-semibold); letter-spacing: -.01em; }
.pb-card-desc { font-size: 13px; line-height: 1.5; color: var(--text-2); }

/* ------------------------------------------------------------- Responsive */

@media (max-width: 1180px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topic-card { min-height: 124px; }
}

@media (max-width: 767.98px) {
  .main { grid-column: 1; }

  .home {
    padding: 12px 0 0;
    min-height: 100%;
  }
  .home-orb { --orb: 76px; margin: 12px 0 22px; }
  .greeting { font-size: clamp(28px, 8.4vw, 36px); margin: 0 20px 20px; }
  .home-topics { order: 3; margin-top: 4px; }
  .home-topics > .section-label { margin: 0 20px 10px; }
  /* A topic card tabbed into view must not end up behind the sticky composer. */
  .page-home { scroll-padding-bottom: 170px; }
  .home-dock {
    order: 4;
    position: sticky;
    bottom: 0;
    z-index: 3;
    margin-top: auto;
    padding: 16px max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
    background: linear-gradient(180deg, rgba(7, 8, 12, 0) 0%, rgba(7, 8, 12, .86) 32%, rgba(7, 8, 12, .96) 100%);
  }

  .cards {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding: 0 20px;
    padding: 6px 20px 14px;
    scrollbar-width: none;
  }
  .cards::-webkit-scrollbar { display: none; }
  .topic-card {
    flex: 0 0 min(72vw, 260px);
    min-height: 128px;
    scroll-snap-align: start;
  }

  .composer { padding: 12px 8px 8px 16px; border-radius: var(--r-comp); }
  .composer textarea { min-height: 48px; font-size: 16px; }
  .chip-btn { height: 44px; }
  .send-btn { width: 44px; height: 44px; }

  .page-inner { padding: 12px max(16px, env(safe-area-inset-right)) 48px max(16px, env(safe-area-inset-left)); }
  .conv-wide .conv-link { height: 58px; padding-right: 60px; }
  .skel-rows .skel-rowbox { height: 58px; }
  .conv-wide .conv-time { display: none; }
  .conv-wide .conv-more { width: 44px; height: 44px; right: 6px; }
  .pb-grid { grid-template-columns: minmax(0, 1fr); }
  .pb-card { min-height: 0; }
}