/* --------------------------------------------------------------
 * NFT Marketplace v2 -- Trade Swaps (Iteration 8).
 *
 * Namespace: .mpv2sw-*   (mpv2 swaps)
 *
 * Three regions:
 *   1. Headline strip with teletiles + "New swap" CTA
 *   2. Tab row + grid of swap cards
 *   3. Two modals (detail thread + compose form)
 *
 * Uses the shared .mpv2-* tokens from nft_marketplace_v2.css.
 * -------------------------------------------------------------- */

.mpv2sw-body {
  background: radial-gradient(
    ellipse at top,
    rgba(143, 110, 255, 0.12),
    transparent 60%
  ), var(--mpv2-bg);
}

/* ── HEADLINE ─────────────────────────────────────────────── */
.mpv2sw-headline {
  padding: 36px 32px 18px;
}
.mpv2sw-headline-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 24px;
  max-width: 1440px;
  margin: 0 auto;
}
.mpv2sw-title {
  font: 700 32px/1.1 'Poppins', system-ui, sans-serif;
  color: var(--mpv2-text);
  margin: 0 0 6px;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #c084fc 0%, #22d3ee 60%, #f472b6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mpv2sw-subtitle {
  color: var(--mpv2-text-dim);
  font-size: 14px;
  margin: 0;
  max-width: 52ch;
}
.mpv2sw-tele {
  display: flex;
  gap: 18px;
}
.mpv2sw-tele-item {
  text-align: center;
  min-width: 72px;
}
.mpv2sw-tele-num {
  display: block;
  font: 700 22px/1 'Poppins', system-ui, sans-serif;
  color: var(--mpv2-text);
}
.mpv2sw-tele-lbl {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: var(--mpv2-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── TABS ─────────────────────────────────────────────────── */
.mpv2sw-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 32px;
  max-width: 1440px;
  margin: 0 auto;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.mpv2sw-tab {
  background: transparent;
  border: none;
  padding: 10px 14px;
  color: var(--mpv2-text-dim);
  font: 500 14px 'Inter', system-ui, sans-serif;
  cursor: pointer;
  border-radius: 8px 8px 0 0;
  transition: background 0.15s, color 0.15s;
}
.mpv2sw-tab:hover {
  color: var(--mpv2-text);
  background: rgba(255, 255, 255, 0.03);
}
.mpv2sw-tab.is-active {
  color: var(--mpv2-accent);
  border-bottom: 2px solid var(--mpv2-accent);
}
.mpv2sw-tab-count {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 10px;
  background: rgba(143, 110, 255, 0.2);
  color: var(--mpv2-accent);
  font-size: 11px;
  font-weight: 600;
}
.mpv2sw-tab-spacer { flex: 1; }
.mpv2sw-search input {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.24);
  color: var(--mpv2-text);
  font-size: 13px;
  min-width: 260px;
}
.mpv2sw-search input::placeholder { color: var(--mpv2-text-dim); }

/* ── GRID ─────────────────────────────────────────────────── */
.mpv2sw-grid-wrap {
  padding: 24px 32px 80px;
  max-width: 1440px;
  margin: 0 auto;
}
.mpv2sw-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.mpv2sw-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.015));
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 14px;
  padding: 16px;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s, box-shadow 0.15s;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mpv2sw-card:hover {
  transform: translateY(-2px);
  border-color: rgba(143, 110, 255, 0.35);
  box-shadow: 0 8px 24px -12px rgba(143, 110, 255, 0.4);
}
.mpv2sw-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mpv2sw-state {
  padding: 3px 9px;
  border-radius: 10px;
  font-size: 10px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.mpv2sw-state.is-proposed   { background: rgba(34,211,238,0.16); color: #67e8f9; }
.mpv2sw-state.is-countered  { background: rgba(244,114,182,0.18); color: #f9a8d4; }
.mpv2sw-state.is-accepted   { background: rgba(74,222,128,0.18); color: #86efac; }
.mpv2sw-state.is-rejected   { background: rgba(248,113,113,0.16); color: #fca5a5; }
.mpv2sw-state.is-expired,
.mpv2sw-state.is-cancelled  { background: rgba(148,163,184,0.16); color: #cbd5e1; }
.mpv2sw-state.is-draft      { background: rgba(251,191,36,0.18); color: #fcd34d; }

.mpv2sw-countdown {
  font: 500 11px 'JetBrains Mono', monospace;
  color: var(--mpv2-text-dim);
}
.mpv2sw-exchange {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}
.mpv2sw-thumb {
  aspect-ratio: 1;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  background-color: rgba(143, 110, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.mpv2sw-arrow {
  font-size: 22px;
  color: var(--mpv2-accent);
  text-align: center;
  font-weight: 700;
}
.mpv2sw-delta {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 8px;
  font: 600 11px 'JetBrains Mono', monospace;
  background: rgba(34, 211, 238, 0.14);
  color: #67e8f9;
}
.mpv2sw-delta.is-neutral {
  background: rgba(148, 163, 184, 0.14);
  color: var(--mpv2-text-dim);
}
.mpv2sw-delta.is-negative {
  background: rgba(244, 114, 182, 0.14);
  color: #f9a8d4;
}
.mpv2sw-card-parties {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--mpv2-text-dim);
  font-family: 'JetBrains Mono', monospace;
}
.mpv2sw-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.mpv2sw-card-actions .mpv2-btn {
  flex: 1;
  padding: 6px 10px;
  font-size: 12px;
}

/* ── EMPTY / LOADING ──────────────────────────────────────── */
.mpv2sw-empty,
.mpv2sw-loading {
  text-align: center;
  padding: 56px 16px;
  color: var(--mpv2-text-dim);
}
.mpv2sw-empty-art {
  font-size: 52px;
  opacity: 0.4;
  margin-bottom: 12px;
}
.mpv2sw-empty-sub {
  margin-top: 6px;
  font-size: 13px;
  opacity: 0.7;
}

/* ── MODAL ───────────────────────────────────────────────── */
.mpv2sw-modal {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.mpv2sw-modal[hidden] { display: none; }
.mpv2sw-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 0, 20, 0.68);
  backdrop-filter: blur(6px);
}
.mpv2sw-modal-panel {
  position: relative;
  width: min(680px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--mpv2-surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 26px 26px 22px;
  box-shadow: 0 24px 64px -16px rgba(0, 0, 0, 0.8);
}
.mpv2sw-compose-panel { width: min(540px, 100%); }
.mpv2sw-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  font-size: 22px;
  color: var(--mpv2-text-dim);
  cursor: pointer;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 8px;
}
.mpv2sw-modal-close:hover { background: rgba(255,255,255,0.05); color: var(--mpv2-text); }
.mpv2sw-modal-title {
  font: 700 22px/1.2 'Poppins', system-ui, sans-serif;
  margin: 0 0 18px;
}

/* ── MODAL HERO ──────────────────────────────────────────── */
.mpv2sw-hero {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 18px;
  margin-bottom: 24px;
}
.mpv2sw-hero-side {
  text-align: center;
}
.mpv2sw-hero-thumb {
  aspect-ratio: 1;
  max-width: 160px;
  margin: 0 auto 10px;
  border-radius: 14px;
  background-size: cover;
  background-position: center;
  background-color: rgba(143, 110, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.mpv2sw-hero-party {
  font: 600 13px 'Inter', sans-serif;
  color: var(--mpv2-text);
  margin: 0 0 2px;
}
.mpv2sw-hero-token {
  font: 500 10px 'JetBrains Mono', monospace;
  color: var(--mpv2-text-dim);
  margin: 0;
  word-break: break-all;
}
.mpv2sw-hero-exchange {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.mpv2sw-hero-arrow {
  font-size: 32px;
  color: var(--mpv2-accent);
  font-weight: 700;
}
.mpv2sw-hero-delta {
  font: 700 13px 'JetBrains Mono', monospace;
  color: var(--mpv2-text);
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(143, 110, 255, 0.16);
}

/* ── THREAD ──────────────────────────────────────────────── */
.mpv2sw-thread {
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 18px;
}
.mpv2sw-thread-title {
  font: 600 13px 'Inter', sans-serif;
  color: var(--mpv2-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
}
.mpv2sw-thread-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mpv2sw-thread-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.04);
  font-size: 13px;
}
.mpv2sw-thread-kind {
  font: 700 10px 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mpv2-accent);
}
.mpv2sw-thread-body { color: var(--mpv2-text); }
.mpv2sw-thread-meta {
  margin-top: 2px;
  font: 400 11px 'JetBrains Mono', monospace;
  color: var(--mpv2-text-dim);
}

/* ── ACTIONS ──────────────────────────────────────────────── */
.mpv2sw-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.mpv2sw-actions .mpv2-btn { flex: 1 1 140px; }

/* ── COMPOSE FORM ─────────────────────────────────────────── */
.mpv2sw-compose-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mpv2sw-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.mpv2sw-field-lbl {
  font: 600 12px 'Inter', sans-serif;
  color: var(--mpv2-text);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mpv2sw-field-lbl small {
  font-weight: 400;
  color: var(--mpv2-text-dim);
  font-size: 10px;
}
.mpv2sw-field input {
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.24);
  color: var(--mpv2-text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}
.mpv2sw-compose-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
  justify-content: flex-end;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 960px) {
  .mpv2sw-headline-inner {
    grid-template-columns: 1fr;
    text-align: left;
    gap: 16px;
  }
  .mpv2sw-tele { justify-content: flex-start; }
}
@media (max-width: 640px) {
  .mpv2sw-tabs { padding: 8px 16px; overflow-x: auto; }
  .mpv2sw-search input { min-width: 160px; }
  .mpv2sw-hero { grid-template-columns: 1fr; }
  .mpv2sw-hero-exchange { flex-direction: row; justify-content: center; }
  .mpv2sw-hero-arrow { transform: rotate(90deg); }
}

@media (prefers-reduced-motion: reduce) {
  .mpv2sw-card { transition: none; }
  .mpv2sw-card:hover { transform: none; }
  .mpv2sw-toast { transition: none; }
}

/* ── TOAST (JS-rendered at runtime) ───────────────────────── */
.mpv2sw-toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 500;
  padding: 10px 16px;
  border-radius: 10px;
  background: rgba(20, 16, 40, 0.92);
  border: 1px solid rgba(143, 110, 255, 0.35);
  color: var(--mpv2-text, #e8e5ff);
  font: 500 13px 'Inter', sans-serif;
  box-shadow: 0 12px 36px -12px rgba(0, 0, 0, 0.8);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.18s, transform 0.18s;
  pointer-events: none;
  max-width: 360px;
}
.mpv2sw-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── CARD META TEXT (JS-rendered) ─────────────────────────── */
.mpv2sw-card-id {
  font: 600 10px 'JetBrains Mono', monospace;
  color: var(--mpv2-text-dim);
  letter-spacing: 0.04em;
}
.mpv2sw-card-token {
  font: 500 11px 'JetBrains Mono', monospace;
  color: var(--mpv2-text-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.mpv2sw-action-note {
  font: 500 12px 'Inter', sans-serif;
  color: var(--mpv2-text-dim);
}
.mpv2sw-action.is-primary { border-color: rgba(143, 110, 255, 0.5); }
.mpv2sw-action.is-danger  { border-color: rgba(248, 113, 113, 0.4); color: #fca5a5; }