.app-shell { min-height: 100vh; padding-bottom: 76px; }
.app-main {
  width: min(1480px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 70px;
}
.app-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 26px;
}
.app-title { margin: 0; font-size: 12px; letter-spacing: .08em; }
.app-status { color: var(--green); font-size: 9px; }
.app-grid {
  display: grid;
  grid-template-columns: minmax(245px, .72fr) minmax(420px, 1.55fr) minmax(280px, .85fr);
  gap: 14px;
}
.terminal-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  min-width: 0;
}
.panel-head {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
}
.panel-head h2 { margin: 0; font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.panel-head span { color: var(--faint); font-size: 8px; }
.panel-body { padding: 16px; }
.readout-list { display: grid; gap: 0; margin: 0; }
.readout-list > div {
  display: grid;
  grid-template-columns: minmax(95px, .8fr) minmax(0, 1.2fr);
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.readout-list dt { color: var(--faint); font-size: 8px; text-transform: uppercase; }
.readout-list dd { margin: 0; color: var(--ice); font-size: 9px; text-align: right; overflow-wrap: anywhere; }
.readout-list .good { color: var(--green); }
.field-canvas {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 52%, rgba(57, 136, 255, .14), transparent 18rem),
    linear-gradient(rgba(111, 215, 241, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 215, 241, .035) 1px, transparent 1px);
  background-size: auto, 34px 34px, 34px 34px;
}
.field-canvas::before, .field-canvas::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(430px, 74%);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(111, 215, 241, .14);
  border-radius: 50%;
}
.field-canvas::after { width: min(290px, 52%); opacity: .65; }
.field-ray {
  position: absolute;
  z-index: 2;
  width: min(310px, 55%);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: app-ray-idle 10s ease-in-out infinite;
  filter: saturate(.8) brightness(1.06) drop-shadow(0 0 30px rgba(57, 136, 255, .18));
}
@keyframes app-ray-idle {
  0%,100% { transform: translate(-50%, -50%) translate3d(0,0,0) rotate(-.25deg); }
  50% { transform: translate(-50%, -50%) translate3d(3px,-5px,0) rotate(.25deg); }
}
.field-crosshair {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(111, 215, 241, .07) 50%, transparent 50.1%),
    linear-gradient(transparent 49.9%, rgba(111, 215, 241, .07) 50%, transparent 50.1%);
}
.field-caption { position: absolute; z-index: 3; left: 16px; bottom: 14px; color: var(--faint); font-size: 8px; }
.activity-list, .archive-list { display: grid; max-height: 420px; overflow: auto; }
.activity-row, .archive-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 8px;
}
.activity-row time, .archive-row time { color: var(--faint); }
.activity-row strong, .archive-row strong { color: var(--ice); font-weight: 600; }
.activity-row p, .archive-row p { margin: 4px 0 0; color: var(--muted); }
.activity-row a, .archive-row a { color: var(--cyan); }
.empty-state { padding: 25px 0; color: var(--faint); font-size: 9px; line-height: 1.8; }
.signal-panel { grid-column: 1 / 3; }
.archive-panel { grid-column: 3; }
.signal-compose {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
}
.signal-copy h3 { margin: 0; font-size: 11px; }
.signal-copy p { margin: 8px 0 0; color: var(--muted); font-size: 9px; }
.signature-status { margin-top: 16px; min-height: 20px; color: var(--faint); font-size: 8px; }
.signature-status.good { color: var(--green); }
.signature-status.error { color: var(--danger); }
.app-page-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 14px; }
.app-page-grid .wide { grid-column: 1 / -1; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.metric { min-height: 126px; padding: 18px; background: rgba(4, 12, 18, .98); }
.metric strong { display: block; margin-top: 32px; color: var(--ice); font-size: 15px; }
.app-page-intro { max-width: 740px; margin: 0 0 30px; }
.app-page-intro h1 { margin: 0; font-family: var(--sans); font-size: clamp(38px, 5vw, 68px); letter-spacing: -.05em; }
.app-page-intro p { color: var(--muted); font-size: 11px; }
.confirm-modal[hidden] { display: none; }
.confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 5, 8, .82);
  backdrop-filter: blur(5px);
}
.confirm-card {
  width: min(540px, 100%);
  border: 1px solid rgba(215, 255, 56, .55);
  background: #061017;
  padding: 22px;
  box-shadow: 0 25px 90px rgba(0, 0, 0, .55);
}
.confirm-card h2 { margin: 0 0 18px; font-size: 13px; }
.confirm-card dl { margin: 0; }
.confirm-card dl > div { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.confirm-card dt { color: var(--faint); font-size: 8px; }
.confirm-card dd { margin: 0; color: var(--ice); font-size: 9px; overflow-wrap: anywhere; }
.confirm-note { color: var(--muted); font-size: 8px; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

@media (max-width: 1100px) {
  .app-grid { grid-template-columns: .8fr 1.2fr; }
  .app-grid > .terminal-panel:nth-child(3) { grid-column: 1 / -1; }
  .signal-panel { grid-column: 1 / -1; }
  .archive-panel { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .app-main { width: calc(100% - 24px); padding-top: 22px; }
  .app-grid, .app-page-grid { grid-template-columns: 1fr; }
  .app-grid > *, .signal-panel, .archive-panel, .app-page-grid .wide { grid-column: 1; }
  .field-canvas { min-height: 390px; }
  .signal-compose { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .app-bar { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 480px) {
  .metric-grid { grid-template-columns: 1fr; }
  .confirm-card dl > div { grid-template-columns: 1fr; gap: 4px; }
  .field-ray { animation-name: app-ray-idle-mobile; }
}
@keyframes app-ray-idle-mobile {
  0%,100% { transform: translate(-50%, -50%) translate3d(0,0,0) rotate(-.15deg); }
  50% { transform: translate(-50%, -50%) translate3d(1px,-3px,0) rotate(.15deg); }
}