/* Crump Vision — application shell (1.0)
 *
 * Product-first rail, five-item mobile nav, and vision stage. Warm graphite,
 * clear system typography, comfortable spacing, and restrained gold.
 */

:root {
  --cv-bg: #0d1015;
  --cv-panel: #15191f;
  --cv-panel-raised: #1a1f26;
  --cv-hairline: rgba(255, 255, 255, 0.09);
  --cv-gold: #dec57e;
  --cv-deep-gold: #b99a55;
  --cv-text: #f7f4ec;
  --cv-muted: #a9afb5;
  --cv-mobile-nav: 72px;
}

/* ------------------------------------------------------------------ */
/* Shared vision primitives (match the screen builders' skin)          */
/* ------------------------------------------------------------------ */

.cv-eyebrow {
  font-family: Inter, -apple-system, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.025em;
  color: var(--cv-gold);
  margin: 0;
}

.cv-mascot {
  display: none !important;
}

.cv-view {
  background: var(--cv-bg);
  color: var(--cv-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100%;
  padding: 46px 34px 100px;
  box-sizing: border-box;
}

.cv-wrap {
  /* Centered content column: wide enough to fill a desktop viewport without
     collapsing into a narrow strip. The stage centers this with balanced
     left/right margins. */
  max-width: 1150px;
  margin: 0 auto;
}

.cv-headline {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 720;
  font-size: clamp(32px, 4.4vw, 48px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  margin: 0 0 14px;
  color: var(--cv-text);
}

.cv-sub {
  font-size: 16px;
  line-height: 1.65;
  color: var(--cv-muted);
  margin: 0 0 44px;
  max-width: 60ch;
}

.cv-card {
  background: var(--cv-panel);
  border: 1px solid var(--cv-hairline);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 24px;
}

.cv-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.cv-card-head .cv-eyebrow {
  margin-bottom: 10px;
}

.cv-card-title {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin: 0;
  color: var(--cv-text);
}

.cv-card-copy {
  font-size: 14px;
  line-height: 1.65;
  color: var(--cv-muted);
  margin: 14px 0 24px;
}

.cv-card-copy:last-child {
  margin-bottom: 0;
}

.cv-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.cv-btn {
  appearance: none;
  min-height: 44px;
  border-radius: 12px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 28px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.cv-btn-primary {
  background: var(--cv-text);
  color: var(--cv-bg);
  border-color: var(--cv-text);
}

.cv-btn-primary:hover {
  background: #ffffff;
  border-color: #ffffff;
}

.cv-btn-ghost {
  background: transparent;
  color: var(--cv-text);
  border-color: rgba(255, 255, 255, 0.16);
}

.cv-btn-ghost:hover {
  border-color: rgba(222, 197, 126, 0.5);
  color: var(--cv-gold);
}

.cv-btn:focus-visible {
  outline: 2px solid #d5b971;
  outline-offset: 2px;
}

.cv-btn[disabled] {
  opacity: 0.45;
  cursor: default;
}

/* ------------------------------------------------------------------ */
/* Desktop rail takeover                                               */
/* ------------------------------------------------------------------ */

@media (min-width: 1101px) {
  html[data-cv-shell="ready"] body.crump-v1-body {
    --ac-rail: 224px;
  }

  /* While a vision view owns the stage the legacy conversation library is
     display:none (see .cv-legacy-hidden), so it leaves the grid entirely and
     the shell has exactly two tracks. A leftover third track would capture
     .v1-workspace once the sidebar is gone — collapsing the stage (and the
     #cvStage inside it) to zero width, which is what painted the black void.
     Explicit placement keeps the rail and the workspace in their tracks. */
  html[data-cv-shell="ready"] body.crump-v1-body .v1-shell.cv-vision-mounted {
    grid-template-columns: var(--ac-rail) minmax(0, 1fr);
  }
  html[data-cv-shell="ready"] body.crump-v1-body .v1-shell.cv-vision-mounted > .v1-rail {
    grid-column: 1;
  }
  html[data-cv-shell="ready"] body.crump-v1-body .v1-shell.cv-vision-mounted > .v1-workspace {
    grid-column: 2;
    min-width: 0;
  }

  html[data-cv-shell="ready"] body.crump-v1-body .v1-rail.cv-rail {
    align-items: stretch;
    justify-content: flex-start;
    padding: 26px 16px 18px;
    background: #10141a;
    border-right: 1px solid var(--cv-hairline);
  }
}

.cv-rail-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.cv-rail-brand {
  width: 100%;
  min-height: 58px;
  padding: 8px 10px;
  margin: 0 0 24px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

.cv-rail-brand:hover { background: rgba(255, 255, 255, 0.035); }

.cv-rail-brand img {
  display: block;
  width: 100%;
  max-width: 160px;
  height: auto;
}

.cv-rail-nav {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cv-destination {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: #b5bac0;
  font-family: Inter, -apple-system, "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 630;
  line-height: 1.2;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.cv-destination svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

.cv-destination > span {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cv-destination small {
  padding: 3px 6px;
  border-radius: 999px;
  background: rgba(222, 197, 126, 0.1);
  color: var(--cv-gold);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: .02em;
}

.cv-destination:hover {
  color: var(--cv-text);
  background: rgba(255, 255, 255, 0.045);
}

.cv-destination.is-active {
  color: var(--cv-text);
  background: #1b2027;
  border-color: rgba(255, 255, 255, 0.09);
}

.cv-destination.is-active svg { color: var(--cv-gold); }

.cv-rail-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--cv-hairline);
}

.cv-rail-utility {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 48px;
  padding: 8px 10px;
  background: transparent;
  border: 0;
  color: var(--cv-muted);
  font-family: Inter, -apple-system, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
}

.cv-rail-utility > span { display: grid; gap: 1px; }
.cv-rail-utility b { color: var(--cv-text); font-size: 13px; font-weight: 650; }
.cv-rail-utility small { color: var(--cv-muted); font-size: 11px; font-weight: 500; }
.cv-rail-utility.is-active { border-radius: 12px; background: rgba(255,255,255,.045); }

.cv-rail-utility svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.cv-rail-utility:hover {
  color: var(--cv-text);
}

.cv-credits {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(213, 185, 113, 0.35);
  background: transparent;
  color: var(--cv-gold);
  font-family: Inter, -apple-system, "Segoe UI", sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.cv-credits:hover {
  border-color: var(--cv-gold);
  color: #e2c47f;
}

.cv-rail-microcopy {
  margin: 0;
  font-family: Inter, -apple-system, "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cv-muted);
  text-align: center;
}

.cv-destination:focus-visible,
.cv-rail-utility:focus-visible,
.cv-credits:focus-visible,
.cv-mnav-item:focus-visible {
  outline: 2px solid #d5b971;
  outline-offset: 2px;
}

/* ------------------------------------------------------------------ */
/* Mobile nav: fixed bottom bar, content never slides underneath       */
/* ------------------------------------------------------------------ */

.cv-mobile-nav {
  display: none;
}

@media (max-width: 1100px) {
  html[data-cv-shell="ready"] body.crump-v1-body #crump5930MobileNav {
    display: none !important;
  }

  html[data-cv-shell="ready"] body.crump-v1-body .cv-mobile-nav {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 490;
    min-height: calc(var(--cv-mobile-nav) + env(safe-area-inset-bottom));
    padding: 7px 5px env(safe-area-inset-bottom);
    background: rgba(14, 17, 22, 0.96);
    border-top: 1px solid var(--cv-hairline);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
  }

  html[data-cv-shell="ready"] body.crump-v1-body.crump-v1-keyboard-visible .cv-mobile-nav {
    display: none !important;
  }
}

.cv-mnav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  min-width: 44px;
  min-height: 54px;
  padding: 7px 3px 4px;
  background: none;
  border: 0;
  color: #aeb3b8;
  font-family: Inter, -apple-system, "Segoe UI", sans-serif;
  font-size: 10.5px;
  font-weight: 650;
  letter-spacing: 0;
  cursor: pointer;
}

.cv-mnav-item svg {
  width: 22px;
  height: 22px;
}

.cv-mnav-item.is-active {
  color: var(--cv-text);
}

.cv-mnav-item.is-active svg { color: var(--cv-gold); }
.cv-mnav-item small { display: none; }

/* Mobile More sheet keeps secondary surfaces discoverable without cramming
   six or seven labels into a phone-width tab bar. */
.cv-more-menu {
  position: fixed;
  inset: 0;
  z-index: 620;
}

.cv-more-menu[hidden] { display: none !important; }

.cv-more-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  background: rgba(0, 0, 0, .56);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.cv-more-sheet {
  position: absolute;
  right: 12px;
  bottom: calc(var(--cv-mobile-nav) + env(safe-area-inset-bottom) + 10px);
  left: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 22px;
  background: #181c22;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .5);
}

.cv-more-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 18px 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.cv-more-head p { margin: 0 0 2px; color: var(--cv-muted); font-size: 11px; }
.cv-more-head h2 { margin: 0; color: var(--cv-text); font-size: 19px; letter-spacing: -.02em; }
.cv-more-close {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,.055);
  color: var(--cv-text);
  font-size: 25px;
}
.cv-more-list { display: grid; padding: 8px; }
.cv-more-item {
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--cv-text);
  font: 650 15px/1.2 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: left;
}
.cv-more-item:hover { background: rgba(255,255,255,.05); }
.cv-more-item svg { width: 22px; height: 22px; color: var(--cv-gold); }
.cv-more-item > span { display: flex; flex: 1; align-items: center; justify-content: space-between; }
.cv-more-item small { padding: 3px 7px; border-radius: 999px; background: rgba(222,197,126,.1); color: var(--cv-gold); font-size: 10px; }

@media (min-width: 1101px) {
  .cv-more-menu { display: none !important; }
}

/* Vision experience: exactly one sidebar. While a vision view owns the stage,
   the legacy conversation library must not render as a second sidebar. */
html[data-cv-shell="ready"] body.crump-v1-body .v1-shell.cv-vision-mounted #sidebar.cv-legacy-hidden {
  display: none !important;
}

/* ------------------------------------------------------------------ */
/* Vision stage: mounts registered views over the workspace            */
/* ------------------------------------------------------------------ */

html[data-cv-shell="ready"] body.crump-v1-body .v1-workspace {
  position: relative;
}

.cv-stage {
  position: absolute;
  inset: 0;
  z-index: 400;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 86% 4%, rgba(222, 197, 126, .045), transparent 28%),
    var(--cv-bg);
}

.cv-stage[hidden] {
  display: none !important;
}

.cv-stage-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

/* Fixed mobile nav must never cover card content. */
@media (max-width: 1100px) {
  html[data-cv-shell="ready"] body.crump-v1-body .cv-stage-scroll {
    padding-bottom: calc(var(--cv-mobile-nav) + env(safe-area-inset-bottom) + 28px);
  }

  html[data-cv-shell="ready"] body.crump-v1-body.crump-v1-keyboard-visible .cv-stage-scroll {
    padding-bottom: 28px;
  }
}

@media (max-width: 680px) {
  .cv-view { padding: 28px 18px 88px; }
  .cv-card { padding: 21px; border-radius: 16px; }
  .cv-sub { margin-bottom: 30px; font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  .cv-destination,
  .cv-mnav-item,
  .cv-rail-utility,
  .cv-credits,
  .cv-btn {
    transition: none;
  }
}