frontend/styles.css

:root {
  --bg: #f7f4ea;
  --panel: #fffdf7;
  --ink: #1b1e2b;
  --subtle: #5e6270;
  --accent: #b14f16;
  --accent-2: #1d6a74;
  --line: #d8d1c0;
  --ok: #1f7d4c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 10%, #f9eacc 0%, transparent 35%),
              radial-gradient(circle at 90% 0%, #d7efe7 0%, transparent 30%),
              var(--bg);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  border-radius: 999px;
  filter: blur(70px);
  z-index: -1;
}

.bg-a {
  width: 220px;
  height: 220px;
  background: rgba(177, 79, 22, 0.2);
  top: -40px;
  left: -40px;
}

.bg-b {
  width: 260px;
  height: 260px;
  background: rgba(29, 106, 116, 0.18);
  right: -80px;
  bottom: 20%;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 247, 0.86);
  backdrop-filter: blur(4px);
}

.topbar h1 {
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
  margin: 0;
  letter-spacing: 0.2px;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--subtle);
}

.status-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 14px;
  background: #fff;
}

.layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 10px 24px rgba(30, 36, 52, 0.05);
  animation: fadeInUp 260ms ease;
}

.panel h2,
.panel h3 {
  margin: 0 0 10px;
  font-family: "Space Grotesk", "Avenir Next", sans-serif;
}

label {
  display: block;
  font-weight: 600;
  margin: 8px 0;
}

input,
textarea,
button {
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font: inherit;
  background: #fff;
}

textarea {
  resize: vertical;
}

.actions,
.chat-actions,
.benchmark-controls {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.toggles {
  display: grid;
  gap: 4px;
  margin-top: 8px;
}

.toggles label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-weight: 500;
}

.toggles input {
  width: auto;
  margin: 0;
}

button {
  border: none;
  color: #fff;
  background: linear-gradient(120deg, var(--accent), #d26727);
  cursor: pointer;
  transition: transform 120ms ease, opacity 120ms ease;
}

button:hover {
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
  opacity: 0.9;
}

pre {
  white-space: pre-wrap;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  max-height: 250px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

th,
td {
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 8px;
  font-size: 14px;
}

.chat-log {
  min-height: 220px;
  max-height: 320px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: #fff;
}

.chat-row {
  padding: 8px;
  border-radius: 8px;
  margin-bottom: 8px;
  animation: fadeInUp 220ms ease;
}

.chat-row.user {
  background: #f2ede4;
  border-left: 4px solid var(--accent);
}

.chat-row.assistant {
  background: #e9f4f6;
  border-left: 4px solid var(--accent-2);
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}