/* custom.css — per-site design layer.
 *
 * Ships with the Basecamp project bar. Everything else is intentionally empty:
 * this is where a site adds bespoke design without forking the template.
 * `sites update-template` PRESERVES this file, so template updates never
 * clobber a site's custom look.
 */

/* ── Basecamp project bar ──────────────────────────────────────────────
   Shows signed-in Basecamp users their subscribed cards and a quick
   "Talk" button for feedback. Hidden until /_api/portal/me returns ok. */

body.zk-has-open-bar:not(.zk-open-bar-minimized) {
  --zk-bc-bar-h: 2.4rem;
}

.zk-open-bar {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--color-surface);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  color: var(--color-text);
  font: inherit;
  box-sizing: border-box;
}

.zk-open-bar.is-minimized {
  position: fixed;
  top: 0.55rem;
  left: 0.55rem;
  right: auto;
  width: auto;
  height: auto;
  background: transparent;
  border: 0;
  z-index: 70;
}

.zk-open-bar.is-minimized .zk-open-bar-inner,
.zk-open-bar.is-minimized .zk-open-panel {
  display: none !important;
}

.zk-open-bar-inner {
  max-width: 80rem;
  margin-inline: auto;
  padding: 0.3rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.35rem;
  box-sizing: border-box;
}

.zk-open-bar-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
  font: inherit;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.28rem 0.55rem 0.28rem 0.6rem;
  border: 1px solid color-mix(in srgb, var(--color-text) 18%, transparent);
  background: color-mix(in srgb, var(--color-text) 4%, transparent);
  line-height: 1.15;
  min-height: 1.7rem;
  box-sizing: border-box;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.zk-open-bar-toggle:hover {
  border-color: var(--color-text);
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
  transform: translateY(-1px);
}

.zk-open-bar-toggle.has-items {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-surface);
}

.zk-open-bar-toggle.has-items:hover {
  filter: brightness(1.05);
}

.zk-open-bar.is-open .zk-open-bar-toggle {
  border-color: var(--color-text);
  background: color-mix(in srgb, var(--color-text) 8%, transparent);
}

.zk-open-bar-pulse {
  display: none;
  position: absolute;
  left: 0.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--color-surface);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-text) 35%, transparent);
  animation: zk-open-ping 1.6s ease-out infinite;
}

.zk-open-bar-toggle.has-items .zk-open-bar-pulse {
  display: block;
}

.zk-open-bar-toggle.has-items .zk-open-bar-label {
  padding-left: 0.55rem;
}

@keyframes zk-open-ping {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-text) 35%, transparent); }
  70% { box-shadow: 0 0 0 0.55rem color-mix(in srgb, var(--color-text) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-text) 0%, transparent); }
}

.zk-open-bar-label {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.7rem;
  color: inherit;
  line-height: 1.15;
}

.zk-open-bar-count {
  min-width: 1.2rem;
  height: 1.2rem;
  padding: 0 0.32rem;
  border-radius: 999px;
  background: var(--color-text);
  color: var(--color-surface);
  font-size: 0.68rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.zk-open-bar-toggle.has-items .zk-open-bar-count {
  background: var(--color-surface);
  color: var(--color-text);
}

.zk-open-bar-count.is-zero {
  background: color-mix(in srgb, var(--color-text) 12%, transparent);
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.zk-open-bar-chevron {
  flex-shrink: 0;
  width: 0.85rem;
  height: 0.85rem;
  opacity: 0.75;
  transition: transform 0.18s ease, opacity 0.15s ease;
}

.zk-open-bar.is-open .zk-open-bar-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.zk-open-bar-who {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.78rem;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.zk-open-bar-ask,
.zk-open-bar-bc {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  box-sizing: border-box;
  height: 1.7rem;
  min-height: 1.7rem;
  padding: 0 0.65rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.12s ease;
}

.zk-open-bar-ask {
  color: var(--color-surface);
  background: var(--color-text);
  border-color: var(--color-text);
}

.zk-open-bar-ask:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.zk-open-bar-ask svg {
  flex-shrink: 0;
  width: 0.85rem;
  height: 0.85rem;
  opacity: 0.95;
}

.zk-open-bar-bc {
  color: var(--color-text) !important;
  text-decoration: none !important;
  background: transparent;
  border-color: color-mix(in srgb, var(--color-text) 18%, transparent);
}

.zk-open-bar-bc:hover {
  background: color-mix(in srgb, var(--color-text) 5%, transparent);
  border-color: var(--color-text);
}

.zk-open-bar-min {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.7rem;
  height: 1.7rem;
  margin-right: 0.1rem;
  padding: 0;
  border: 1px solid color-mix(in srgb, var(--color-text) 18%, transparent);
  background: transparent;
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
  cursor: pointer;
  line-height: 0;
  order: -1;
}

.zk-open-bar-min:hover {
  color: var(--color-text);
  border-color: var(--color-text);
  background: color-mix(in srgb, var(--color-text) 5%, transparent);
}

.zk-open-bar-chip {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  color: var(--color-surface);
  background: var(--color-text);
  border: 1px solid color-mix(in srgb, var(--color-surface) 25%, transparent);
  padding: 0.35rem 0.45rem;
  min-height: 2rem;
  min-width: 2rem;
  cursor: pointer;
  box-shadow: 0 4px 14px rgb(0 0 0 / 0.18);
  line-height: 0;
  border-radius: 0;
}

.zk-open-bar.is-minimized .zk-open-bar-chip {
  display: inline-flex;
}

.zk-open-bar-chip:hover {
  border-color: var(--color-surface);
}

.zk-open-bar-chip-icon {
  flex-shrink: 0;
  width: 0.85rem;
  height: 0.85rem;
  color: var(--color-surface);
  display: block;
  opacity: 0.95;
}

.zk-open-bar-chip .zk-open-bar-count {
  min-width: 1.15rem;
  height: 1.15rem;
  padding: 0 0.28rem;
  font-size: 0.65rem;
  background: var(--color-surface);
  color: var(--color-text);
}

.zk-open-bar-drop {
  position: relative;
  flex-shrink: 0;
  z-index: 62;
}

.zk-open-panel {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  right: auto;
  width: min(22rem, calc(100vw - 1.5rem));
  max-height: min(70vh, 26rem);
  overflow-y: auto;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--color-text) 12%, transparent);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: 0 12px 32px rgb(0 0 0 / 0.14);
  z-index: 63;
}

@media (min-width: 480px) {
  .zk-open-panel {
    min-width: 16rem;
  }
}

.zk-open-panel-inner {
  max-width: none;
  margin: 0;
  padding: 0.7rem 0.75rem 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.zk-open-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  background: color-mix(in srgb, var(--color-text) 2%, transparent);
  text-decoration: none !important;
  color: inherit !important;
  transition: border-color 160ms ease, background 160ms ease;
  box-sizing: border-box;
}

.zk-open-item:hover {
  border-color: var(--color-text);
  background: color-mix(in srgb, var(--color-text) 5%, transparent);
}

.zk-open-item-col {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1.3;
  opacity: 0.7;
}

.zk-open-item-title {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.3;
  color: var(--color-text);
}

.zk-open-item-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--color-secondary);
  line-height: 1.35;
  margin-top: 0.1rem;
}

.zk-open-empty {
  margin: 0;
  padding: 0.65rem 0.15rem 0.35rem;
  color: var(--color-secondary);
  font-size: 0.9rem;
  line-height: 1.45;
}

/* Push the site header below the expanded bar */
body.zk-has-open-bar:not(.zk-open-bar-minimized) > header {
  top: var(--zk-bc-bar-h, 2.4rem);
}

body.zk-has-open-bar.zk-open-bar-minimized > header {
  top: 0;
}

@media (max-width: 640px) {
  body.zk-has-open-bar:not(.zk-open-bar-minimized) {
    --zk-bc-bar-h: 2.35rem;
  }
  .zk-open-bar-inner {
    padding: 0.28rem 0.85rem;
    gap: 0.5rem;
  }
  .zk-open-bar-who {
    display: none;
  }
  .zk-open-panel {
    left: 0;
    width: min(20rem, calc(100vw - 1.25rem));
    max-width: calc(100vw - 1.25rem);
  }
  .zk-open-panel-inner {
    padding: 0.65rem 0.65rem 0.75rem;
  }
  .zk-open-bar.is-minimized {
    top: auto;
    bottom: 0.85rem;
    left: 0.85rem;
    right: auto;
  }
}