:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232d;
  --border: #2a2f3a;
  --text: #e6e8ee;
  --muted: #8a92a3;
  --accent: #7c5cff;
  --accent-2: #5a3ff0;
  --user: #2a2f3a;
  --assistant: #1b2330;
  --danger: #ff6b6b;
  --ok: #4ade80;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
header {
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--accent);
}
.controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
}
select, input, button, textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  outline: none;
}
select:focus, input:focus, textarea:focus { border-color: var(--accent); }
#typeSelect { min-width: 130px; }
#providerSelect { min-width: 150px; }
#modelSelect { min-width: 240px; max-width: 380px; }
button {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 500;
}
button:hover { background: var(--accent-2); }
button.ghost, .ghost-link {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}
button.ghost:hover, .ghost-link:hover { color: var(--text); border-color: var(--accent); }
.cost {
  margin-left: auto;
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
}
.cost b { color: var(--ok); }
main {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg {
  max-width: 800px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  white-space: pre-wrap;
  word-wrap: break-word;
  line-height: 1.5;
}
.msg .meta {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 6px;
}
.msg.user { background: var(--user); align-self: flex-end; }
.msg.assistant { background: var(--assistant); align-self: flex-start; }
.msg.system { background: transparent; border-style: dashed; color: var(--muted); align-self: center; font-size: 12px; }
.msg.error { border-color: var(--danger); color: var(--danger); align-self: center; }
.gen-img {
  display: block;
  max-width: 100%;
  margin-top: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
footer {
  padding: 12px 20px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: flex-end;
}
textarea {
  flex: 1;
  resize: none;
  min-height: 44px;
  max-height: 200px;
  line-height: 1.4;
}

/* login page */
.login-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 28px;
  border-radius: 12px;
  width: 320px;
}
.login-box h2 { margin: 0 0 16px; color: var(--accent); }
.login-box input { width: 100%; margin-bottom: 10px; }
.login-box button { width: 100%; margin-top: 6px; padding: 10px; }
.login-error { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 6px; }

/* logs page */
.logs-wrap { padding: 20px; }
.stats {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  min-width: 160px;
}
.stat-card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { color: var(--ok); font-size: 22px; font-weight: 600; margin-top: 4px; }
.stat-card .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
table.logs {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
table.logs th, table.logs td {
  padding: 8px 10px;
  text-align: left;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
table.logs th { background: var(--panel-2); color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 11px; }
table.logs tr.error td { color: var(--danger); }
table.logs td.prompt, table.logs td.response {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
table.logs td.cost { color: var(--ok); font-variant-numeric: tabular-nums; }
table.logs td.ts { color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }