/* Demo-specific styles, layered on top of ../assets/style.css */
.demo-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  margin: 24px 0 56px;
}
@media (max-width: 880px) {
  .demo-shell {
    grid-template-columns: 1fr;
  }
}

.phone {
  position: sticky;
  top: 80px;
  align-self: start;
  background: #0c1d2d;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  height: 600px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.phone-screen {
  flex: 1;
  background: #061523;
  border-radius: 18px;
  padding: 16px;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 13px;
  border: 1px solid #122436;
}
.phone-bar {
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--foam-mute);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bubble {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  max-width: 85%;
  word-wrap: break-word;
  animation: fadein 0.3s ease;
}
@keyframes fadein {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.bubble-agent {
  background: rgba(30, 84, 112, 0.5);
  border-left: 2px solid var(--sun);
}
.bubble-tool {
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed var(--line);
  font-size: 11px;
  color: var(--foam-mute);
  font-family: var(--mono);
}
.bubble-user {
  background: rgba(103, 199, 154, 0.15);
  border-right: 2px solid var(--leaf);
  margin-left: auto;
  text-align: right;
}
.bubble-sms {
  background: #1d3145;
  border: 1px solid #244258;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--foam-mute);
}
.bubble-sms::before {
  content: "📡 SMS · ";
  color: var(--sun);
  font-weight: 600;
}

.controls {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.tab-row {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}
.tab-row button {
  background: transparent;
  border: none;
  color: var(--foam-mute);
  padding: 12px 18px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab-row button.active {
  color: var(--sun);
  border-bottom-color: var(--sun);
}
.tab-row button:hover:not(.active) {
  color: var(--foam);
}

.tab-pane {
  display: none;
}
.tab-pane.active {
  display: block;
}

.scenario h3 {
  margin: 0 0 6px;
  font-size: 18px;
}
.scenario p.scn-sub {
  color: var(--foam-mute);
  font-size: 14px;
  margin: 0 0 18px;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 600px) {
  .input-row {
    grid-template-columns: 1fr;
  }
}
.input-row label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--foam-mute);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.input-row input,
.input-row select {
  background: var(--ink-deep);
  border: 1px solid var(--line);
  color: var(--foam);
  padding: 10px 12px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 13px;
  margin-top: 6px;
}
.input-row input:focus,
.input-row select:focus {
  outline: none;
  border-color: var(--sun);
}

.run-btn {
  width: 100%;
  padding: 14px;
  background: var(--sun);
  color: var(--ink-deep);
  border: none;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  font-family: var(--sans);
}
.run-btn:hover {
  background: var(--sun-soft);
}
.run-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}

.trace-box {
  margin-top: 20px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--foam-mute);
  max-height: 200px;
  overflow-y: auto;
}
.trace-box .trace-line {
  margin-bottom: 4px;
}
.trace-box .trace-line .tier {
  color: var(--leaf);
  font-weight: 600;
}
.trace-box .trace-line .tier.smart {
  color: var(--sun);
}
.trace-box .empty {
  color: #355a78;
  font-style: italic;
}

.demo-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 24px 0 0;
  color: var(--foam-mute);
  font-size: 13px;
}

/* Provider panel */
.provider-panel {
  background: var(--ink-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin: 18px 0 0;
  overflow: hidden;
}
.provider-panel summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  user-select: none;
}
.provider-panel summary::-webkit-details-marker {
  display: none;
}
.provider-panel summary::after {
  content: "▾";
  margin-left: auto;
  color: var(--foam-mute);
  transition: transform 0.15s ease;
}
.provider-panel[open] summary::after {
  transform: rotate(180deg);
}
.prov-icon {
  color: var(--sun);
  font-size: 16px;
}
.prov-mode-pill {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(103, 199, 154, 0.15);
  color: var(--leaf);
  border: 1px solid rgba(103, 199, 154, 0.3);
  margin-left: 8px;
}
.prov-mode-pill.live {
  background: rgba(255, 184, 77, 0.15);
  color: var(--sun);
  border-color: rgba(255, 184, 77, 0.3);
}
.prov-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 4px 20px 16px;
  border-top: 1px solid var(--line);
}
@media (max-width: 600px) {
  .prov-grid {
    grid-template-columns: 1fr;
  }
}
.prov-grid label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--foam-mute);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 12px;
}
.prov-grid input,
.prov-grid select {
  background: var(--ink-deep);
  border: 1px solid var(--line);
  color: var(--foam);
  padding: 9px 11px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 12px;
  margin-top: 6px;
}
.prov-grid input:focus,
.prov-grid select:focus {
  outline: none;
  border-color: var(--sun);
}
.prov-key {
  grid-column: span 2;
}
@media (max-width: 600px) {
  .prov-key {
    grid-column: span 1;
  }
}
.prov-disclaimer {
  margin: 0;
  padding: 0 20px 18px;
  color: var(--foam-mute);
  font-size: 12px;
  line-height: 1.5;
}