/* BTCENT R300 — integrated public/admin operating layer.
   Incremental over the live R299 baseline. No screenshot collage, dashboard
   decoration, warm cast, oversized sparse cards or page-local design system. */

:root {
  --r300-ink: #101318;
  --r300-muted: #5f6874;
  --r300-paper: #f4f6f8;
  --r300-white: #fcfdfd;
  --r300-night: #0b0f15;
  --r300-blue: #3158e7;
  --r300-line: #dfe4e9;
  --r300-good: #18735c;
  --r300-warn: #8b5b16;
  --r300-danger: #b3261e;
  --r300-shell: min(100% - clamp(2rem, 7vw, 9rem), 86rem);
}

body[data-r300-system="integrated-operations"] {
  background: var(--r300-white);
  color: var(--r300-ink);
}

body[data-r300-system="integrated-operations"] :is(h1, h2, h3, h4, p, li, a, button, input, select, textarea, summary, dt, dd) {
  min-width: 0;
}

body[data-r300-system="integrated-operations"] :is(h1, h2, h3) {
  text-wrap: balance;
}

body[data-r300-system="integrated-operations"][data-r293-locale="ko"] :is(h1, h2, h3, h4, p, li, a, button, label, span, strong, small),
body[data-r300-system="integrated-operations"][data-r293-locale="zh"] :is(h1, h2, h3, h4, p, li, a, button, label, span, strong, small) {
  overflow-wrap: anywhere;
  word-break: keep-all;
}

body[data-r300-system="integrated-operations"] :focus-visible {
  outline-color: var(--r300-blue);
  outline-offset: 4px;
}

/* R290 is the complete relationship index. Retire four older duplicate Home
   exhibitions without resetting the accepted hero or the sourced R290/R289 work. */
body[data-r300-system="integrated-operations"][data-r293-family="home"] :is(.r287-managed, .r287-recent, .r286-relationships.r288-relationships, .r287-archive) {
  display: none !important;
}

body[data-r300-system="integrated-operations"] :is(.r290-index, .r289-systems, .r299-system, .r280-journal-preview, .r280-contact) {
  scroll-margin-top: 6rem;
}

body[data-r300-system="integrated-operations"] [data-r300-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  body[data-r300-system="integrated-operations"] [data-r300-motion-ready="true"] [data-r300-reveal]:not([data-r300-inview="true"]) {
    opacity: .001;
    transform: translateY(1rem);
  }
  body[data-r300-system="integrated-operations"] [data-r300-reveal] {
    transition: opacity 420ms ease, transform 520ms cubic-bezier(.2,.75,.2,1);
  }
}

/* Long-form routes keep editorial anatomy; this adds a quiet reading progress
   owner rather than another floating control. */
.r300-reading-progress {
  position: fixed;
  z-index: 1100;
  inset: 0 0 auto;
  height: 3px;
  background: transparent;
  pointer-events: none;
}
.r300-reading-progress > i {
  display: block;
  width: var(--r300-reading, 0%);
  height: 100%;
  background: var(--r300-blue);
  transition: width 80ms linear;
}

/* Shared admin surface. Information density is earned by actual operations;
   borders are used only for data separation, not card decoration. */
body[data-r300-system="integrated-operations"][data-r293-family="admin"] {
  --bg: #f3f5f7;
  --surface: #fcfdfd;
  --surface-alt: #e9edf1;
  --text: #11151a;
  --text-muted: #5d6773;
  --border: #dce2e8;
  --accent: #3158e7;
  --mint: #18735c;
  background: var(--bg) !important;
  color: var(--text) !important;
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] .admin-wrap {
  background: var(--bg);
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] :is(.admin-nav, .admin-sidebar, .admin-opsbar) {
  background: rgba(252, 253, 253, .96);
  color: var(--text);
  border-color: var(--border);
  box-shadow: none;
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] .admin-panel {
  grid-template-columns: minmax(12.5rem, 15rem) minmax(0, 1fr);
  gap: clamp(1.2rem, 3vw, 2.5rem);
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] :is(
  .admin-logo-badge,
  .auth-brand-badge,
  .status,
  #auth-status-text,
  .auth-meta,
  .auth-ops-grid strong,
  .auth-ops-grid span
) {
  font-size: 13px;
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] .sidebar-tab {
  min-height: 2.9rem;
  border: 0;
  border-radius: .7rem;
  color: #4e5864;
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] .sidebar-tab--active {
  background: #e4e9ff;
  color: #1b3fc0;
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] :is(.panel-header h2, .r300-admin-overview h2) {
  color: var(--text);
  font-weight: 650;
  letter-spacing: -.045em;
}

body[data-r300-system="integrated-operations"][data-r293-family="admin"] :is(.fieldset, .info-card, .auth-card, .r300-inquiry-shell, .r300-admin-overview) {
  border: 0;
  border-radius: 1rem;
  background: var(--surface);
  box-shadow: 0 1.25rem 4rem rgba(18, 27, 39, .07);
}

.r300-admin-overview {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(18rem, .9fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: clamp(1.4rem, 3vw, 2.5rem);
}

.r300-admin-overview > div > p {
  margin: 0 0 .7rem;
  color: var(--r300-blue);
  font-size: .82rem;
  font-weight: 720;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.r300-admin-overview h2 {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3.3rem);
  line-height: 1;
}

.r300-admin-overview ul {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.r300-admin-overview li {
  display: grid;
  grid-template-columns: minmax(7rem, .42fr) minmax(0, 1fr);
  gap: 1rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--r300-line);
  color: var(--r300-muted);
  font-size: .9rem;
  line-height: 1.45;
}

.r300-admin-overview li strong { color: var(--r300-ink); }

.r300-inquiry-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}

.r300-inquiry-toolbar > div {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}

.r300-inquiry-toolbar button,
.r300-inquiry-row button,
.r300-inquiry-row select {
  min-height: 2.75rem;
  padding: .65rem .9rem;
  border: 0;
  border-radius: .65rem;
  background: #e9edf1;
  color: #1d252e;
  font: inherit;
  font-size: .88rem;
}

.r300-inquiry-toolbar button[aria-pressed="true"] {
  background: var(--r300-blue);
  color: #fff;
}

.r300-inquiry-list {
  display: grid;
  gap: .7rem;
}

.r300-inquiry-row {
  display: grid;
  grid-template-columns: minmax(8rem, .55fr) minmax(10rem, .8fr) minmax(12rem, 1.25fr) minmax(8rem, .55fr);
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-top: 1px solid var(--r300-line);
}

.r300-inquiry-row > div { min-width: 0; }
.r300-inquiry-row p { margin: .3rem 0 0; color: var(--r300-muted); font-size: .88rem; line-height: 1.5; }
.r300-inquiry-row strong { color: var(--r300-ink); font-size: .98rem; }
.r300-inquiry-row small { display: block; margin-top: .25rem; color: #737d88; font-size: .78rem; line-height: 1.4; }
.r300-inquiry-row textarea { width: 100%; min-height: 5rem; resize: vertical; }
.r300-inquiry-empty { padding: 2rem 0; color: var(--r300-muted); }
.r300-state { display: inline-flex; align-items: center; min-height: 1.9rem; padding: .35rem .55rem; border-radius: .5rem; background: #e9edf1; color: #4d5864; font-size: .75rem; font-weight: 700; }
.r300-state[data-state="new"] { background: #e4e9ff; color: #2444b5; }
.r300-state[data-state="reviewing"] { background: #fff0d7; color: var(--r300-warn); }
.r300-state[data-state="replied"] { background: #dff3ec; color: var(--r300-good); }
.r300-state[data-state="closed"] { background: #e8ebee; color: #4c5662; }

@media (max-width: 980px) {
  body[data-r300-system="integrated-operations"][data-r293-family="admin"] .admin-panel {
    grid-template-columns: 1fr;
  }
  .r300-admin-overview { grid-template-columns: 1fr; }
  .r300-inquiry-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  html[lang^="en"] body[data-r300-system="integrated-operations"] main :is(h1, h2, h3) {
    word-spacing: .065em;
  }

  html[lang^="en"] body[data-r300-system="integrated-operations"] .r283-copy h1 {
    letter-spacing: -.045em !important;
  }

  html[lang^="en"] body[data-r300-system="integrated-operations"] .r280-hero-copy h1 {
    letter-spacing: -.045em !important;
  }

  .r300-admin-overview { padding: 1.2rem; }
  .r300-admin-overview li { grid-template-columns: 1fr; gap: .2rem; }
  .r300-inquiry-row { grid-template-columns: 1fr; gap: .7rem; }
  .r300-inquiry-toolbar { align-items: stretch; }
  .r300-inquiry-toolbar > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
  .r300-inquiry-toolbar button { width: 100%; }
}

@media (forced-colors: active) {
  .r300-reading-progress > i,
  .r300-state,
  .r300-inquiry-toolbar button[aria-pressed="true"] { forced-color-adjust: auto; }
}