/* =========================================================================
   CAST Build — design system component library
   Loaded after cast-build.css. Provides reusable patterns referenced from
   the project module shell. Naming: .cb-* prefix to keep these orthogonal
   to the existing .project-* layout primitives.
   Built 2026-05-08.
   ========================================================================= */

/* --- icons (sprite via <use href="/assets/brand/icons.svg#name"/>) --- */
.cb-icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.125em;
  fill: none;
  stroke: currentColor;
  flex-shrink: 0;
}
.cb-icon--16 { width: 16px; height: 16px; }
.cb-icon--18 { width: 18px; height: 18px; }
.cb-icon--20 { width: 20px; height: 20px; }
.cb-icon--24 { width: 24px; height: 24px; }
.cb-icon--32 { width: 32px; height: 32px; }

/* sidebar nav-icon override — make svg fit cleanly */
.project-sidebar-nav .nav-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 12px;
  color: var(--sand-light);
  opacity: 0.7;
  transition: opacity 0.18s ease;
}
.project-sidebar-nav a:hover .nav-icon,
.project-sidebar-nav a.active .nav-icon { opacity: 1; }
.project-sidebar-nav .nav-icon svg { width: 100%; height: 100%; }

/* --- module action row (sits in .project-page-header) ----------------- */
.cb-action-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* --- buttons --------------------------------------------------------- */
.cb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid var(--graphite);
  background: transparent;
  color: var(--graphite);
  font-family: var(--font-caption);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}
.cb-btn:hover { background: var(--dark); color: var(--ivory); border-color: var(--dark); }
.cb-btn[disabled], .cb-btn.is-disabled { opacity: 0.5; cursor: not-allowed; }

.cb-btn--primary {
  background: var(--bison);
  color: var(--ivory);
  border-color: var(--bison);
}
.cb-btn--primary:hover { background: #311b1f; border-color: #311b1f; color: var(--ivory); }

.cb-btn--ghost {
  border-color: var(--sand-light);
  color: var(--graphite);
}
.cb-btn--ghost:hover { background: var(--ivory-alt); color: var(--dark); border-color: var(--sand); }

.cb-btn--danger {
  border-color: var(--danger);
  color: var(--danger);
}
.cb-btn--danger:hover { background: var(--danger); color: var(--ivory); }

.cb-btn--icon { padding: 9px 12px; gap: 6px; font-size: 10px; }

.cb-btn--small { padding: 8px 13px; font-size: 10px; letter-spacing: 0.14em; }

/* --- status pills ---------------------------------------------------- */
.cb-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  font-family: var(--font-caption);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  border-radius: 100px;
  white-space: nowrap;
  background: rgba(122, 139, 154, 0.12);
  color: var(--info);
  border-color: rgba(122, 139, 154, 0.3);
}
.cb-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.cb-pill--open    { background: rgba(122,139,154,.12); color: var(--info); border-color: rgba(122,139,154,.3); }
.cb-pill--draft   { background: rgba(166,139,75,.14); color: var(--warning); border-color: rgba(166,139,75,.32); }
.cb-pill--pending { background: rgba(166,139,75,.14); color: var(--warning); border-color: rgba(166,139,75,.32); }
.cb-pill--progress{ background: rgba(122,139,154,.18); color: #4a6075; border-color: rgba(122,139,154,.4); }
.cb-pill--overdue { background: rgba(139,74,74,.14); color: var(--danger); border-color: rgba(139,74,74,.32); }
.cb-pill--closed  { background: rgba(90,122,90,.14); color: var(--success); border-color: rgba(90,122,90,.32); }
.cb-pill--complete{ background: rgba(90,122,90,.14); color: var(--success); border-color: rgba(90,122,90,.32); }
.cb-pill--neutral { background: rgba(102,102,102,.10); color: var(--muted); border-color: rgba(102,102,102,.24); }
.cb-pill--solid   { color: var(--ivory); border-color: transparent; }
.cb-pill--solid.cb-pill--open    { background: var(--info); }
.cb-pill--solid.cb-pill--overdue { background: var(--danger); }
.cb-pill--solid.cb-pill--closed  { background: var(--success); }

/* --- sub-tabs (within a module page) -------------------------------- */
.cb-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--sand-light);
  margin: -8px 0 24px;
  flex-wrap: wrap;
}
.cb-tabs a, .cb-tabs button {
  font-family: var(--font-caption);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding: 14px 20px;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}
.cb-tabs a:hover, .cb-tabs button:hover { color: var(--graphite); }
.cb-tabs a.is-active, .cb-tabs button.is-active {
  color: var(--bison);
  border-bottom-color: var(--bison);
}

/* --- filter / toolbar row ------------------------------------------- */
.cb-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 22px;
  background: var(--ivory-alt);
  border: 1px solid var(--sand-light);
  border-bottom: none;
  margin-bottom: 0;
}
.cb-toolbar + .project-table,
.cb-toolbar + .cb-table-wrap > .project-table { border-top: none; }

.cb-toolbar__group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.cb-toolbar__label {
  font-family: var(--font-caption);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.cb-toolbar__sep {
  width: 1px;
  height: 22px;
  background: var(--sand-light);
}
.cb-toolbar__spacer { flex: 1; }
.cb-toolbar__count {
  font-family: var(--font-caption);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* --- form controls (compact, for filters and modals) ----------------- */
.cb-input, .cb-select, .cb-textarea {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--graphite);
  background: var(--white);
  border: 1px solid var(--sand-light);
  padding: 9px 12px;
  min-height: 38px;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
  appearance: none;
}
.cb-input:focus, .cb-select:focus, .cb-textarea:focus {
  outline: none;
  border-color: var(--bison);
  box-shadow: 0 0 0 3px rgba(69, 40, 44, 0.12);
}
.cb-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%23666' stroke-width='1.5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 10px;
  padding-right: 32px;
}
.cb-input::placeholder { color: rgba(102, 102, 102, 0.55); }
.cb-search {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><circle cx='7' cy='7' r='5' fill='none' stroke='%23666' stroke-width='1.5'/><path d='M11 11l4 4' stroke='%23666' stroke-width='1.5' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: 12px center;
  background-size: 14px;
  padding-left: 36px;
  min-width: 220px;
}

/* --- table extensions ----------------------------------------------- */
.cb-table-wrap {
  background: var(--white);
  border: 1px solid var(--sand-light);
  overflow-x: auto;
}
.project-table tr.is-row-clickable { cursor: pointer; transition: background 0.15s ease; }
.project-table tr.is-row-clickable:hover { background: var(--ivory-alt); }
.project-table td.cb-td-actions { text-align: right; white-space: nowrap; }
.project-table td.cb-td-actions a, .project-table td.cb-td-actions button {
  font-family: var(--font-caption);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bison);
  text-decoration: none;
  padding: 5px 9px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.project-table td.cb-td-actions a:hover,
.project-table td.cb-td-actions button:hover {
  border-color: var(--sand-light);
  background: var(--ivory-alt);
}
.project-table .cb-td-num { font-variant-numeric: tabular-nums; text-align: right; }
.project-table .cb-td-muted { color: var(--muted); }

/* --- pagination ----------------------------------------------------- */
.cb-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border: 1px solid var(--sand-light);
  border-top: none;
  background: var(--white);
  gap: 12px;
  flex-wrap: wrap;
}
.cb-pagination__info {
  font-family: var(--font-caption);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.cb-pagination__nav { display: inline-flex; align-items: center; gap: 4px; }
.cb-pagination__nav button {
  border: 1px solid var(--sand-light);
  background: var(--white);
  font-family: var(--font-caption);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite);
  padding: 7px 13px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.cb-pagination__nav button:hover:not(:disabled) { background: var(--ivory-alt); }
.cb-pagination__nav button:disabled { opacity: 0.4; cursor: not-allowed; }

/* --- empty state (replaces existing .empty-state with richer block) - */
.cb-empty {
  padding: 56px 32px;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--sand-light);
}
.cb-empty__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ivory-alt);
  border: 1px solid var(--sand-light);
  border-radius: 50%;
}
.cb-empty__icon svg { width: 28px; height: 28px; opacity: 0.55; }
.cb-empty h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}
.cb-empty p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 420px;
  margin: 0 auto 18px;
}

/* --- loading skeleton ----------------------------------------------- */
@keyframes cb-shimmer {
  0%   { background-position: -468px 0; }
  100% { background-position:  468px 0; }
}
.cb-skeleton {
  display: inline-block;
  background: linear-gradient(
    90deg,
    rgba(212, 201, 178, 0.22) 0%,
    rgba(212, 201, 178, 0.4) 50%,
    rgba(212, 201, 178, 0.22) 100%
  );
  background-size: 936px 100%;
  animation: cb-shimmer 1.4s linear infinite;
  border-radius: 2px;
  height: 14px;
  width: 80px;
}
.cb-skeleton--num { height: 32px; width: 64px; }
.cb-skeleton--line { display: block; height: 14px; margin-bottom: 6px; }
.cb-skeleton--line-80 { width: 80%; }
.cb-skeleton--line-60 { width: 60%; }
.cb-skeleton--line-40 { width: 40%; }
@media (prefers-reduced-motion: reduce) {
  .cb-skeleton { animation: none; background: rgba(212,201,178,.3); }
}

/* --- callout / banner ----------------------------------------------- */
.cb-callout {
  padding: 14px 18px 14px 16px;
  border: 1px solid var(--sand-light);
  border-left-width: 3px;
  background: var(--white);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--graphite);
  margin: 0 0 18px;
}
.cb-callout strong {
  display: inline-block;
  font-family: var(--font-caption);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-right: 6px;
  font-weight: 700;
}
.cb-callout--info    { border-left-color: var(--info); }
.cb-callout--info strong { color: var(--info); }
.cb-callout--success { border-left-color: var(--success); }
.cb-callout--success strong { color: var(--success); }
.cb-callout--warning { border-left-color: var(--warning); background: rgba(166,139,75,.06); }
.cb-callout--warning strong { color: var(--warning); }
.cb-callout--danger  { border-left-color: var(--danger); background: rgba(139,74,74,.06); }
.cb-callout--danger strong { color: var(--danger); }
.cb-callout--read-first { border-left-color: var(--bison); background: rgba(69,40,44,.04); }
.cb-callout--read-first strong { color: var(--bison); }

/* --- modal ---------------------------------------------------------- */
.cb-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 20, 0.62);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 22px;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.cb-modal-overlay.is-open { opacity: 1; pointer-events: auto; }

.cb-modal {
  background: var(--white);
  width: min(640px, 100%);
  max-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sand-light);
  box-shadow: 0 30px 80px rgba(20, 20, 20, 0.22);
  transform: translateY(8px);
  transition: transform 0.22s ease;
}
.cb-modal-overlay.is-open .cb-modal { transform: translateY(0); }
.cb-modal--wide  { width: min(960px, 100%); }
.cb-modal--right {
  align-self: stretch;
  width: min(520px, 100%);
  margin-left: auto;
  max-height: 100vh;
}

.cb-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px 18px;
  border-bottom: 1px solid var(--sand-light);
}
.cb-modal__title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--dark);
  letter-spacing: 0.04em;
}
.cb-modal__subtitle {
  font-family: var(--font-caption);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--bison);
  margin-top: 4px;
}
.cb-modal__close {
  appearance: none;
  border: none;
  background: transparent;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 0 6px;
  transition: color 0.15s ease;
}
.cb-modal__close:hover { color: var(--dark); }

.cb-modal__body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 22px 26px;
}

.cb-modal__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 26px;
  border-top: 1px solid var(--sand-light);
  background: var(--ivory-alt);
}
.cb-modal__footer .cb-modal__footer-spacer { flex: 1; }

/* --- form layout inside modals ------------------------------------- */
.cb-form { display: flex; flex-direction: column; gap: 16px; }
.cb-form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cb-form__field { display: flex; flex-direction: column; gap: 6px; }
.cb-form__label {
  font-family: var(--font-caption);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.cb-form__label--required::after { content: " *"; color: var(--danger); }
.cb-form__hint { font-size: 0.78rem; color: var(--muted); line-height: 1.45; }
.cb-form__error { font-size: 0.78rem; color: var(--danger); line-height: 1.45; }
.cb-form__field.has-error .cb-input,
.cb-form__field.has-error .cb-select,
.cb-form__field.has-error .cb-textarea { border-color: var(--danger); }
@media (max-width: 640px) {
  .cb-form__row { grid-template-columns: 1fr; }
}

/* --- toast ---------------------------------------------------------- */
.cb-toast-stack {
  position: fixed;
  right: 22px;
  bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 3000;
  max-width: 360px;
  pointer-events: none;
}
.cb-toast {
  background: var(--dark);
  color: var(--ivory);
  padding: 14px 18px;
  font-size: 0.88rem;
  border-left: 3px solid var(--success);
  box-shadow: 0 18px 40px rgba(20,20,20,0.28);
  pointer-events: auto;
  transform: translateY(8px);
  opacity: 0;
  animation: cb-toast-in 0.22s ease forwards;
}
.cb-toast--error { border-left-color: var(--danger); }
.cb-toast--warn  { border-left-color: var(--warning); }
.cb-toast--info  { border-left-color: var(--info); }
@keyframes cb-toast-in { to { transform: translateY(0); opacity: 1; } }

/* --- KPI value variants --------------------------------------------- */
.kpi-value--num { font-variant-numeric: tabular-nums; }
.kpi-value--money::before { content: "$"; opacity: 0.55; font-size: 0.7em; margin-right: 0.06em; }
.kpi-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-caption);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 8px;
}
.kpi-trend--up   { color: var(--success); }
.kpi-trend--down { color: var(--danger); }
.kpi-trend--flat { color: var(--muted); }
.kpi-trend::before {
  content: "";
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}
.kpi-trend--up::before   { border-bottom: 6px solid var(--success); }
.kpi-trend--down::before { border-top: 6px solid var(--danger); }
.kpi-trend--flat::before { border-bottom: none; border-top: none; width: 6px; height: 1px; background: var(--muted); }

/* --- sidebar group label (already partially defined; reinforced) ---- */
.project-sidebar-group {
  user-select: none;
}
.project-sidebar-nav a .nav-icon {
  font-family: var(--font-heading);
  font-weight: 500;
}

/* --- responsive: mobile sidebar drawer ------------------------------ */
.cb-sidebar-toggle {
  display: none;
  position: fixed;
  top: 18px;
  left: 18px;
  width: 44px;
  height: 44px;
  background: var(--dark);
  color: var(--ivory);
  border: none;
  z-index: 1100;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.cb-sidebar-toggle span,
.cb-sidebar-toggle span::before,
.cb-sidebar-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ivory);
  position: relative;
}
.cb-sidebar-toggle span::before { content: ""; position: absolute; top: -6px; left: 0; width: 20px; height: 2px; background: var(--ivory); }
.cb-sidebar-toggle span::after  { content: ""; position: absolute; top:  6px; left: 0; width: 20px; height: 2px; background: var(--ivory); }

@media (max-width: 1050px) {
  .cb-sidebar-toggle { display: inline-flex; }
  .project-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    width: 280px;
    position: fixed;
    height: 100vh;
  }
  .project-sidebar.is-open { transform: translateX(0); }
  .cb-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20,20,20,0.5);
    z-index: 999;
  }
  .cb-sidebar-backdrop.is-open { display: block; }
  .project-main-content { padding-top: 76px; }
}

/* --- CAST Build platform access landing ------------------------------ */
.cast-access-section--platform {
  align-items: center;
  padding-top: 118px;
  padding-bottom: 86px;
}
.cast-access-content--platform {
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(42px, 6vw, 88px);
}
.cast-access-copy {
  min-width: 0;
}
.cast-access-copy .cast-access-logo {
  margin-bottom: 22px;
}
.cast-access-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-caption);
  color: var(--sand-light);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}
.cast-access-copy h1 {
  margin: 0;
  max-width: 760px;
  color: var(--ivory);
  font-family: var(--font-heading);
  font-size: clamp(2.55rem, 5.25vw, 5.9rem);
  line-height: 0.93;
  letter-spacing: -0.055em;
  font-weight: 400;
}
.cast-access-lede {
  margin: 26px 0 0;
  max-width: 650px;
  color: rgba(248, 246, 238, 0.76);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  line-height: 1.75;
}
.cast-access-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}
.cast-access-status span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(191, 184, 162, 0.24);
  background: rgba(255, 255, 255, 0.045);
  color: rgba(248, 246, 238, 0.82);
  font-family: var(--font-caption);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.cast-access-status span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 18px rgba(93, 127, 103, 0.8);
}
.cast-access-grid--platform {
  gap: 14px;
}
.cast-access-grid--platform .cast-access-card {
  min-height: 128px;
  align-items: flex-start;
  padding: 24px 24px 22px;
}
.cast-access-grid--platform .cast-access-card small {
  display: block;
  margin-bottom: 9px;
  color: var(--sand-light);
  font-family: var(--font-caption);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.cast-access-grid--platform .cast-access-card h2 {
  margin: 0;
  letter-spacing: 0.18em;
}
.cast-access-grid--platform .cast-access-card p {
  margin: 10px 0 0;
  max-width: 360px;
  color: rgba(248, 246, 238, 0.62);
  font-size: 0.86rem;
  line-height: 1.55;
}
.cast-access-card--primary {
  background: rgba(191, 184, 162, 0.105);
  border-color: rgba(191, 184, 162, 0.34);
}
@media (max-width: 980px) {
  .cast-access-content--platform {
    grid-template-columns: 1fr;
  }
  .cast-access-copy .cast-access-logo {
    transform: none;
  }
}

/* --- project pages without the generated sidebar rail ---------------- */
.project-dashboard-wrapper--no-rail .project-main-content {
  margin-left: 0;
  width: 100%;
}
.project-dashboard-wrapper--no-rail {
  display: block;
}