:root {
  --ink: #13211c;
  --muted: #60756d;
  --paper: #f3efe5;
  --paper-strong: #fffaf0;
  --line: rgba(35, 52, 45, 0.14);
  --moss: #174f43;
  --copper: #bf6f3c;
  --amber: #edc56d;
  --shadow: 0 24px 80px rgba(36, 47, 41, 0.18);
  --radius: 28px;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(237, 197, 109, 0.45), transparent 28rem),
    radial-gradient(circle at 84% 14%, rgba(61, 111, 137, 0.22), transparent 26rem),
    linear-gradient(135deg, #efe6d2 0%, #edf3e9 52%, #e6eee8 100%);
  font-family: "Space Grotesk", "Noto Serif SC", "Microsoft YaHei", "PingFang SC", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(23, 79, 67, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 79, 67, 0.06) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, #000, transparent 80%);
}

button, input, textarea, select { font: inherit; }

.ambient {
  position: fixed;
  border-radius: 999px;
  filter: blur(6px);
  pointer-events: none;
}

.ambient-one {
  width: 18rem;
  height: 18rem;
  right: 5vw;
  top: 8vh;
  background: rgba(191, 111, 60, 0.18);
}

.ambient-two {
  width: 20rem;
  height: 20rem;
  left: -8rem;
  bottom: 8vh;
  background: rgba(23, 79, 67, 0.16);
}

.shell {
  position: relative;
  width: min(1500px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 32px;
}

.glass, .panel {
  border: 1px solid var(--line);
  background: rgba(255, 250, 240, 0.72);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.hero {
  min-height: 330px;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 24px;
  align-items: stretch;
  padding: clamp(24px, 4vw, 54px);
  border-radius: 36px;
  overflow: hidden;
}

.eyebrow, .panel-title span {
  margin: 0 0 12px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  max-width: 900px;
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(38px, 6vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.06em;
}

.subtitle {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

button {
  border: 0;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease;
}

button:hover { transform: translateY(-1px); }
button:disabled { cursor: wait; opacity: 0.68; transform: none; }

.primary {
  border-radius: 999px;
  padding: 13px 20px;
  color: #fffaf1;
  background: linear-gradient(135deg, var(--moss), #256e5e 58%, var(--copper));
  box-shadow: 0 14px 34px rgba(23, 79, 67, 0.24);
  font-weight: 800;
}

.ghost {
  border-radius: 999px;
  padding: 12px 18px;
  color: var(--moss);
  background: rgba(23, 79, 67, 0.08);
  border: 1px solid rgba(23, 79, 67, 0.12);
  font-weight: 800;
}

.small { padding: 9px 13px; font-size: 13px; }
.wide { width: 100%; justify-content: center; }

.hero-card {
  display: grid;
  align-content: space-between;
  min-height: 100%;
  padding: 24px;
  border-radius: 30px;
  color: #f9f3e7;
  background:
    linear-gradient(150deg, rgba(19, 33, 28, 0.92), rgba(23, 79, 67, 0.88)),
    radial-gradient(circle at 90% 10%, rgba(237, 197, 109, 0.3), transparent 20rem);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 8px rgba(237, 197, 109, 0.16);
}

.hero-card p, .hero-card span {
  margin: 0;
  color: rgba(255, 250, 240, 0.68);
}

.hero-card strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-row div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 250, 240, 0.1);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(340px, 0.92fr) minmax(420px, 1.25fr) minmax(300px, 0.78fr);
  gap: 18px;
  margin-top: 18px;
  align-items: start;
}

.panel {
  border-radius: var(--radius);
  padding: 20px;
}

.panel-title { margin-bottom: 18px; }

.panel-title strong {
  display: block;
  font-family: "Noto Serif SC", serif;
  font-size: 24px;
}

.panel-title.row {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.field span {
  color: var(--moss);
  font-weight: 800;
}

.field em {
  color: var(--muted);
  font-size: 12px;
  font-style: normal;
  line-height: 1.5;
}

input, textarea, select {
  width: 100%;
  border: 1px solid rgba(23, 79, 67, 0.16);
  border-radius: 18px;
  padding: 13px 14px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.58);
  outline: none;
}

textarea {
  resize: vertical;
  line-height: 1.6;
}

input:focus, textarea:focus, select:focus {
  border-color: rgba(191, 111, 60, 0.55);
  box-shadow: 0 0 0 4px rgba(191, 111, 60, 0.12);
}

.grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.task-card, .prediction-value, .resolved-list, .event-log {
  border: 1px solid rgba(23, 79, 67, 0.12);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.45);
}

.task-card {
  margin-bottom: 14px;
  padding: 16px;
}

.task-card p {
  margin: 0 0 8px;
  color: var(--ink);
  line-height: 1.65;
}

.task-card small, .prediction-value small { color: var(--muted); }

.conversation-panel {
  min-height: 730px;
  display: grid;
  grid-template-rows: auto minmax(420px, 1fr) auto;
}

.chat-log {
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 4px 18px;
}

.message {
  max-width: 88%;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid rgba(23, 79, 67, 0.12);
  background: rgba(255, 255, 255, 0.5);
  white-space: pre-wrap;
  line-height: 1.7;
  animation: rise 180ms ease both;
}

.message.user {
  align-self: flex-end;
  background: rgba(215, 234, 223, 0.86);
}

.message.assistant { align-self: flex-start; }
.message.tool {
  align-self: flex-start;
  color: #243a34;
  background: rgba(237, 197, 109, 0.2);
}
.message.error { background: rgba(191, 88, 76, 0.12); }

.message span {
  display: block;
  margin-bottom: 4px;
  color: var(--copper);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.composer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}

.prediction-value {
  padding: 20px;
  margin-bottom: 14px;
}

.prediction-value span {
  color: var(--copper);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.prediction-value strong {
  display: block;
  margin: 8px 0;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -0.06em;
}

.resolved-list, .event-log {
  display: grid;
  gap: 10px;
  padding: 14px;
  margin-top: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 8px 11px;
  border-radius: 999px;
  color: var(--moss);
  background: rgba(23, 79, 67, 0.08);
  font-size: 13px;
  font-weight: 700;
}

.log-item {
  padding: 12px;
  border-radius: 16px;
  color: #344d45;
  background: rgba(255, 250, 240, 0.66);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1180px) {
  .hero, .workspace { grid-template-columns: 1fr; }
  .conversation-panel { min-height: 620px; }
}

@media (max-width: 680px) {
  .shell {
    width: min(100vw - 18px, 1500px);
    padding-top: 9px;
  }
  .hero, .panel {
    border-radius: 24px;
    padding: 18px;
  }
  .grid-two, .metric-row, .composer { grid-template-columns: 1fr; }
  .message { max-width: 100%; }
}