/* Verdant - dark emerald theme, carried over from .streamlit/config.toml. */

:root {
  --bg: #05130d;
  --surface: #0c2018;
  --surface-2: #102a20;
  --border: #1c3a2e;
  --text: #e6f4ec;
  --muted: #8fae9f;
  --primary: #10b981;
  --primary-dim: #0d9469;
  --danger: #f87171;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
}

#bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 20px 80px;
}

/* Hero */

.hero {
  text-align: center;
  margin-bottom: 36px;
}

.brand {
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 18px;
}

.leaf {
  font-size: 1.1rem;
}

.hero h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.6rem);
  line-height: 1.2;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}

.hero p {
  color: var(--muted);
  margin: 0 auto;
  max-width: 34rem;
}

/* Transcript */

.transcript {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 28px;
}

.msg {
  border-radius: var(--radius);
  padding: 16px 18px;
  border: 1px solid var(--border);
  overflow-wrap: anywhere;
}

.msg.user {
  background: var(--surface-2);
  align-self: flex-end;
  max-width: 85%;
  border-color: var(--primary-dim);
}

.msg.agent {
  background: var(--surface);
}

.msg p:first-child {
  margin-top: 0;
}

.msg p:last-child {
  margin-bottom: 0;
}

.msg a {
  color: var(--primary);
}

.msg code {
  background: rgba(16, 185, 129, 0.12);
  padding: 0.1em 0.35em;
  border-radius: 5px;
  font-size: 0.9em;
}

.msg pre {
  background: #071a12;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  overflow-x: auto;
}

.msg table {
  width: 100%;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
}

.msg th,
.msg td {
  border: 1px solid var(--border);
  padding: 6px 10px;
  text-align: left;
}

/* Live progress panel, in place of Streamlit's st.status */

.status {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}

.status > summary {
  cursor: pointer;
  padding: 13px 18px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.status > summary::-webkit-details-marker {
  display: none;
}

.status > summary::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  flex: none;
}

.status.running > summary::before {
  animation: pulse 1.1s ease-in-out infinite;
}

.status.failed > summary::before {
  background: var(--danger);
  animation: none;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: scale(0.8);
  }
  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

@media (prefers-reduced-motion: reduce) {
  .status.running > summary::before {
    animation: none;
  }
}

.status-body {
  padding: 0 18px 14px;
  font-size: 0.92rem;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.step {
  margin-bottom: 9px;
}

.step b {
  color: var(--primary);
}

.step ul {
  margin: 5px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.step .sub {
  color: var(--muted);
  font-size: 0.88rem;
}

.note {
  color: var(--muted);
  font-size: 0.9rem;
  border-left: 2px solid var(--primary-dim);
  padding-left: 11px;
  margin: 10px 0 0;
}

.error {
  color: var(--danger);
}

/* Chips */

.chips {
  margin-bottom: 20px;
}

.chip-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 9px;
  margin-bottom: 9px;
}

.chip-row.wide {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.chip {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 15px;
  font-size: 0.9rem;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s, background 0.15s;
}

.chip:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--surface-2);
}

.chip:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Composer */

.composer {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.composer textarea {
  flex: 1;
  resize: vertical;
  min-height: 58px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 13px 15px;
  font-family: inherit;
  font-size: 1rem;
}

.composer textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.composer button {
  background: var(--primary);
  color: #04120c;
  border: none;
  border-radius: var(--radius);
  padding: 15px 26px;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  font-family: inherit;
}

.composer button:hover:not(:disabled) {
  background: var(--primary-dim);
}

.composer button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.foot {
  margin-top: 22px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 560px) {
  .shell {
    padding: 30px 15px 60px;
  }

  .composer {
    flex-direction: column;
    align-items: stretch;
  }
}