/* ═══════════════════════════════════════════════════════════
   CARD PAYMENT SYSTEMS — Protocol Control Panel
   Premium fintech dashboard aesthetic (extends simulator-2d)
   ═══════════════════════════════════════════════════════════ */

:root {
  --cps-spec-blue: #1e56a0;
  --cps-spec-blue-glow: rgba(30, 86, 160, 0.45);
  --cps-spec-yellow: #f5c518;
  --cps-spec-yellow-dim: rgba(245, 197, 24, 0.15);
  --cps-spec-red: #c41e3a;
  --cps-emerald: #10b981;
  --cps-emerald-glow: rgba(16, 185, 129, 0.35);
  --cps-amber: #f59e0b;
  --cps-amber-glow: rgba(245, 158, 11, 0.3);
  --cps-blue: #60a5fa;
  --cps-slate: #64748b;
  --cps-grid-line: rgba(255, 255, 255, 0.06);
}

.cps-shell {
  max-width: 1280px;
  margin: 0 auto;
}

.cps-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.cps-title-block h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.cps-title-block p {
  color: var(--sim-muted);
  font-size: 0.85rem;
  max-width: 56ch;
}

.cps-header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* ── Spec Sheet Banner (blue + yellow headers) ─────────── */
.cps-spec-banner {
  margin-bottom: 1rem;
  border-radius: var(--sim-radius);
  overflow: hidden;
  border: 1px solid var(--sim-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.cps-spec-primary {
  background: linear-gradient(180deg, #2563b8 0%, var(--cps-spec-blue) 100%);
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.65rem 1rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.cps-spec-mode {
  background: var(--cps-spec-yellow);
  color: #0c0c10;
  text-align: center;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  padding: 0.5rem 1rem;
  transition: background 0.25s, box-shadow 0.25s;
}

.cps-spec-mode--201 {
  background: linear-gradient(180deg, #fbbf24 0%, var(--cps-spec-yellow) 100%);
  box-shadow: inset 0 -2px 0 rgba(245, 158, 11, 0.4);
}

/* ── System Status Widget ─────────────────────────────── */
.cps-summary-panel {
  background: var(--sim-surface);
  border: 1px solid var(--sim-border);
  border-radius: var(--sim-radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  position: relative;
  overflow: hidden;
}

.cps-summary-panel::before {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cps-emerald), var(--sim-accent), var(--cps-amber));
  opacity: 0.85;
}

.cps-summary-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sim-muted);
  margin-bottom: 0.85rem;
}

#cpsSummaryGrid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

@media (max-width: 900px) {
  #cpsSummaryGrid { grid-template-columns: repeat(2, 1fr); }
}

.cps-stat {
  background: var(--sim-surface-2);
  border: 1px solid var(--cps-grid-line);
  border-radius: var(--sim-radius);
  padding: 0.85rem 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cps-stat:hover {
  border-color: rgba(91, 141, 239, 0.35);
}

.cps-stat-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sim-muted);
  margin-bottom: 0.35rem;
}

.cps-stat-value {
  font-family: var(--sim-mono);
  font-size: 1.65rem;
  font-weight: 600;
  line-height: 1;
}

.cps-stat--accent .cps-stat-value { color: var(--sim-accent); }
.cps-stat--online .cps-stat-value { color: var(--cps-emerald); }
.cps-stat--offline .cps-stat-value { color: var(--cps-amber); }

.cps-stat--wide {
  grid-column: 1 / -1;
  background: transparent;
  border-style: dashed;
}

.cps-engine-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.cps-engine-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--sim-border);
  background: var(--sim-surface-2);
}

.cps-engine-pill.is-live {
  border-color: rgba(16, 185, 129, 0.45);
  box-shadow: 0 0 12px var(--cps-emerald-glow);
  color: var(--cps-emerald);
}

.cps-engine-pill.is-standby { color: var(--cps-amber); }
.cps-engine-pill.is-down { color: var(--sim-danger); border-color: rgba(239, 68, 68, 0.4); }

.cps-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  animation: cps-pulse 1.8s ease-in-out infinite;
}

@keyframes cps-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.85); }
}

.cps-sync-time {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--sim-muted);
  font-family: var(--sim-mono);
}

/* ── Mode Switcher ────────────────────────────────────── */
.cps-mode-switcher {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--sim-surface);
  border: 1px solid var(--sim-border);
  border-radius: var(--sim-radius);
  padding: 4px;
  margin-bottom: 1rem;
  max-width: 560px;
  box-shadow: 0 0 0 1px rgba(30, 86, 160, 0.12);
}

.cps-mode-btn {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--sim-muted);
  font-family: var(--sim-font);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.75rem 1rem;
  border-radius: calc(var(--sim-radius) - 2px);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
}

.cps-mode-btn small {
  font-size: 0.65rem;
  font-weight: 500;
  opacity: 0.75;
}

.cps-mode-btn.is-active {
  background: var(--sim-surface-2);
  color: var(--sim-text);
  box-shadow: inset 0 0 0 1px var(--sim-border), 0 0 20px rgba(91, 141, 239, 0.12);
}

.cps-mode-btn[data-cps-mode="101"].is-active {
  background: rgba(16, 185, 129, 0.12);
  color: var(--cps-emerald);
  box-shadow: inset 0 0 0 1px rgba(16, 185, 129, 0.45), 0 0 24px var(--cps-emerald-glow);
}

.cps-mode-btn[data-cps-mode="201"].is-active {
  background: var(--cps-spec-yellow-dim);
  color: var(--cps-spec-yellow);
  box-shadow: inset 0 0 0 1px rgba(245, 197, 24, 0.45), 0 0 24px var(--cps-amber-glow);
}

/* ── Data Grid ────────────────────────────────────────── */
.cps-grid-panel {
  background: var(--sim-surface);
  border: 1px solid var(--sim-border);
  border-radius: var(--sim-radius);
  overflow: hidden;
  transition: border-color 0.25s;
}

.cps-grid-panel--mode101 {
  border-top: 3px solid var(--cps-spec-blue);
}

.cps-grid-panel--mode201 {
  border-top: 3px solid var(--cps-spec-yellow);
}

.cps-error-banner {
  margin: 0 1rem;
  padding: 0.65rem 0.85rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--sim-radius);
  color: var(--sim-danger);
  font-size: 0.78rem;
  margin-top: 0.75rem;
}

.cps-th-spec {
  color: var(--cps-spec-red) !important;
  font-weight: 700;
}

.cps-grid-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--sim-border);
  background: var(--sim-surface-2);
}

.cps-grid-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sim-muted);
}

.cps-table-wrap { overflow-x: auto; transition: opacity 0.18s ease; }
.cps-table-wrap--switching { opacity: 0.55; }

.cps-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.cps-table th {
  text-align: left;
  padding: 0.65rem 1rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sim-muted);
  border-bottom: 1px solid var(--sim-border);
  background: rgba(0, 0, 0, 0.15);
  white-space: nowrap;
}

.cps-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--cps-grid-line);
  vertical-align: middle;
}

.cps-row { transition: background 0.15s; }
.cps-row:hover { background: rgba(91, 141, 239, 0.04); }
.cps-row--busy { opacity: 0.55; pointer-events: none; }

.cps-td-code code {
  font-family: var(--sim-mono);
  font-size: 0.78rem;
  color: var(--sim-accent);
}

.cps-td-opt {
  font-family: var(--sim-mono);
  font-weight: 600;
  color: var(--sim-muted);
}

.cps-label-text {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.cps-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

/* ── Badges & Chips ───────────────────────────────────── */
.cps-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  border: 1px solid transparent;
}

.cps-badge--online {
  color: var(--cps-emerald);
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  box-shadow: 0 0 8px var(--cps-emerald-glow);
}

.cps-badge--offline {
  color: var(--cps-amber);
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.35);
}

.cps-chip {
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.18rem 0.42rem;
  border-radius: 999px;
  background: rgba(100, 116, 139, 0.15);
  color: var(--cps-slate);
  border: 1px solid rgba(100, 116, 139, 0.25);
}

.cps-chip--pin4 { color: #94a3b8; }
.cps-chip--pin6 { color: var(--cps-blue); border-color: rgba(96, 165, 250, 0.3); }
.cps-chip--pinless { color: #a78bfa; border-color: rgba(167, 139, 250, 0.3); }

.cps-op {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.18rem 0.42rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--cps-grid-line);
  color: var(--sim-muted);
}

.cps-op-icon { font-size: 0.7rem; opacity: 0.9; }
.cps-op--preauth1 { color: #38bdf8; }
.cps-op--preauthN { color: #818cf8; }
.cps-op--moto { color: #c084fc; }
.cps-op--forced { color: var(--cps-amber); }

/* ── Smart Toggle ─────────────────────────────────────── */
.cps-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  user-select: none;
}

.cps-toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.cps-toggle-track {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--sim-bg);
  border: 1px solid var(--sim-border);
  border-radius: 999px;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.cps-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sim-muted);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), background 0.25s, box-shadow 0.25s;
}

.cps-toggle-input:checked + .cps-toggle-track {
  background: rgba(16, 185, 129, 0.2);
  border-color: var(--cps-emerald);
  box-shadow: 0 0 14px var(--cps-emerald-glow);
}

.cps-toggle-input:checked + .cps-toggle-track .cps-toggle-thumb {
  transform: translateX(20px);
  background: var(--cps-emerald);
  box-shadow: 0 0 10px var(--cps-emerald-glow);
}

.cps-toggle-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--sim-muted);
  min-width: 4.5rem;
}

.cps-toggle-input:checked ~ .cps-toggle-label { color: var(--cps-emerald); }

/* ── Link indicator ───────────────────────────────────── */
.cps-link-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.cps-link-dot--linked {
  background: var(--cps-emerald);
  box-shadow: 0 0 8px var(--cps-emerald-glow);
  animation: cps-pulse 2s infinite;
}

.cps-link-dot--idle { background: var(--sim-muted); opacity: 0.5; }

/* ── Action Buttons ───────────────────────────────────── */
.cps-btn {
  appearance: none;
  border: 1px solid var(--sim-border);
  background: var(--sim-surface-2);
  color: var(--sim-text);
  font-family: var(--sim-font);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.4rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
}

.cps-btn:hover {
  border-color: var(--sim-accent);
  background: rgba(91, 141, 239, 0.08);
}

.cps-btn:active { transform: scale(0.97); }

.cps-btn--test {
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--cps-emerald);
}

.cps-btn--test:hover:not(:disabled) {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--cps-emerald);
}

.cps-btn--test:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  border-color: var(--sim-border);
  color: var(--sim-muted);
}

.cps-btn--icon {
  padding: 0.4rem 0.5rem;
  margin-left: 0.25rem;
  color: var(--sim-muted);
}

.cps-btn--sync {
  border-color: rgba(91, 141, 239, 0.45);
  color: var(--sim-accent);
}

.cps-td-actions { white-space: nowrap; }

.cps-empty {
  text-align: center;
  color: var(--sim-muted);
  padding: 2rem !important;
}

/* ── Modals ───────────────────────────────────────────── */
.cps-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

.cps-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.cps-modal {
  background: var(--sim-surface);
  border: 1px solid var(--sim-border);
  border-radius: var(--sim-radius);
  max-width: 560px;
  width: 100%;
  max-height: 85vh;
  overflow: auto;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.cps-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--sim-border);
}

.cps-modal-title {
  font-size: 1rem;
  font-weight: 700;
}

.cps-modal-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--sim-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.25rem;
}

.cps-modal-body { padding: 1.25rem; }

.cps-config-dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.65rem 1rem;
  font-size: 0.82rem;
}

.cps-config-dl dt {
  color: var(--sim-muted);
  font-weight: 600;
}

.cps-config-dl dd code {
  font-family: var(--sim-mono);
  font-size: 0.78rem;
}

.cps-result {
  padding: 0.85rem 1rem;
  border-radius: var(--sim-radius);
  margin-bottom: 1rem;
  font-size: 0.82rem;
}

.cps-result--ok {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.cps-result--fail {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.cps-result--warn {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.35);
}

.cps-result p { margin-bottom: 0.35rem; }

.cps-result-json {
  font-family: var(--sim-mono);
  font-size: 0.68rem;
  background: var(--sim-bg);
  border: 1px solid var(--sim-border);
  border-radius: var(--sim-radius);
  padding: 0.85rem;
  overflow: auto;
  max-height: 240px;
  color: var(--sim-muted);
}