:root {
  --ink: #17130d;
  --muted: #6a6256;
  --paper: #f5f1e9;
  --panel: #fffaf0;
  --line: #d8c8a9;
  --green: #2e7d5b;
  --green-dark: #17553f;
  --amber: #f0b429;
  --red: #bc3f34;
  --shadow: 0 24px 60px rgba(41, 32, 18, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(120deg, rgba(46, 125, 91, 0.12), transparent 35%),
    repeating-linear-gradient(90deg, rgba(23, 19, 13, 0.035) 0 1px, transparent 1px 42px),
    var(--paper);
  font-family: ui-serif, Georgia, "Times New Roman", serif;
}

button,
input {
  font: inherit;
}

.shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.console {
  width: min(100%, 980px);
  padding: clamp(20px, 4vw, 44px);
  background: rgba(255, 250, 240, 0.92);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: start;
  margin-bottom: 30px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green-dark);
  font: 700 12px/1.2 ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0;
  font-size: clamp(38px, 7vw, 82px);
  line-height: 0.92;
  letter-spacing: 0;
}

.credits {
  min-width: 128px;
  padding: 14px 16px;
  border: 1px solid var(--ink);
  background: var(--amber);
  text-align: center;
  box-shadow: 6px 6px 0 var(--ink);
}

.credits span {
  display: block;
  font: 800 38px/1 ui-sans-serif, system-ui, sans-serif;
}

.credits small {
  font: 700 12px/1.2 ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
}

.agent-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}

.agent-card {
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.agent-card:hover,
.agent-card.active {
  transform: translateY(-2px);
  border-color: var(--green-dark);
  background: #f7ffe8;
}

.agent-index {
  display: block;
  color: var(--green);
  font: 800 13px/1 ui-sans-serif, system-ui, sans-serif;
  margin-bottom: 18px;
}

.agent-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 24px;
}

.agent-card small {
  display: block;
  color: var(--muted);
  font: 15px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.call-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.call-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font: 700 12px/1.2 ui-sans-serif, system-ui, sans-serif;
  text-transform: uppercase;
}

.call-form label:nth-child(2) {
  grid-column: span 1;
}

.call-form input {
  width: 100%;
  height: 54px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0 14px;
  outline: none;
  font: 20px/1 ui-sans-serif, system-ui, sans-serif;
}

.call-form input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 125, 91, 0.16);
}

.call-button {
  grid-column: 1 / -1;
  height: 64px;
  border: 0;
  background: var(--green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  cursor: pointer;
  font: 800 18px/1 ui-sans-serif, system-ui, sans-serif;
  transition: background 160ms ease, transform 160ms ease;
}

.call-button:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
}

.call-button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.call-button svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.status-panel {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 52px;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  color: var(--muted);
  font: 15px/1.45 ui-sans-serif, system-ui, sans-serif;
}

.pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(46, 125, 91, 0.14);
  flex: 0 0 auto;
}

.status-panel.error .pulse {
  background: var(--red);
  box-shadow: 0 0 0 6px rgba(188, 63, 52, 0.14);
}

@media (max-width: 720px) {
  .shell {
    padding: 14px;
    place-items: stretch;
  }

  .topbar,
  .agent-switch,
  .call-form {
    grid-template-columns: 1fr;
  }

  .topbar {
    display: grid;
  }

  .credits {
    width: 100%;
  }
}