*, *::before, *::after { box-sizing: border-box; }

[hidden] { display: none !important; }

:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --panel-2: #eceff4;
  --panel-3: #f1f3f7;
  --stripe: #f8f9fb;
  --border: #d5dbe4;
  --text: #14181f;
  --muted: #5a6472;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --ok: #1a7f37;
  --err: #c62828;
  --logo-filter: none;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1d212a;
  --panel-3: #0b0d12;
  --stripe: #141821;
  --border: #272b35;
  --text: #e6e8ec;
  --muted: #9aa3b2;
  --accent: #5b9dff;
  --accent-text: #07121f;
  --ok: #3fb950;
  --err: #f85149;
  --logo-filter: invert(1);
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.brand { margin: 0; display: flex; align-items: center; }
.logo { display: block; height: 30px; width: auto; filter: var(--logo-filter); }

.header-right { display: flex; align-items: center; gap: 0.6rem; }

.ghost {
  background: transparent; color: var(--muted);
  border: 1px solid var(--border); font-weight: 400;
}
.ghost:hover { color: var(--text); border-color: var(--accent); }

.theme-toggle {
  width: 2rem; height: 2rem; padding: 0; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  font-size: 1rem; cursor: pointer;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

main { max-width: 62rem; margin: 0 auto; padding: 1.25rem; }

textarea {
  width: 100%; resize: vertical; padding: 0.75rem;
  background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  font: inherit;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.actions { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.6rem; }
#status { color: var(--muted); font-size: 0.85rem; }

/* preset prompts */
.chips {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  margin: 0.5rem 0 0.15rem;
}
.chip {
  flex: 0 0 auto; white-space: nowrap;
  background: var(--panel); color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 0.22rem 0.6rem; font-size: 0.74rem; line-height: 1.3;
  font-weight: 400; cursor: pointer;
}
.chip:hover { color: var(--text); border-color: var(--accent); }
.hint {
  color: var(--muted); font-size: 0.74rem; line-height: 1.4;
  margin: 0.45rem 0 0; max-width: 42rem;
}
.saved .hint { margin: 0 0 0.6rem; }
/* On narrow screens keep the whole label visible by letting it wrap. */
@media (max-width: 34rem) {
  .chip { white-space: normal; text-align: left; }
}

/* progress */
.progress {
  display: flex; align-items: flex-start; gap: 0.7rem;
  margin-top: 1.25rem; padding: 0.8rem 1rem;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
}
.progress strong { display: block; font-size: 0.95rem; }
.progress-text #progressStep { color: var(--muted); font-size: 0.85rem; }
.spinner {
  width: 1.1rem; height: 1.1rem; flex: 0 0 auto; margin-top: 0.1rem;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* saved queries */
button.small { padding: 0.28rem 0.55rem; font-size: 0.78rem; font-weight: 500; }
button.danger { color: var(--err); }
button.danger:hover { border-color: var(--err); }
.answer-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.75rem; margin-bottom: 0.5rem;
}
.answer-head h2 { margin: 0; }
.save-form {
  display: flex; flex-direction: column; gap: 0.45rem;
  margin: 0.4rem 0 0.6rem;
}
.save-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem;
}
.save-row label { color: var(--muted); font-size: 0.78rem; }
.save-form select {
  flex: 1 1 18rem; max-width: 34rem; padding: 0.4rem 0.5rem;
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; font: inherit; font-size: 0.85rem;
}
.save-form select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.save-preview {
  margin: 0; max-height: 9rem; overflow: auto; padding: 0.5rem 0.6rem;
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
  font-size: 0.75rem;
}
.save-form input {
  flex: 1 1 16rem; max-width: 32rem; padding: 0.4rem 0.6rem;
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; font: inherit; font-size: 0.85rem;
}
.save-form input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.msg-ok { color: var(--accent); }
#saveMsg.msg-ok { color: var(--accent); }
.saved {
  margin-top: 1.25rem; padding: 0.55rem 0.75rem;
  border: 1px solid var(--border); border-radius: 8px; background: var(--panel);
}
.saved > summary {
  cursor: pointer; color: var(--muted);
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em;
}
.saved[open] > summary { margin-bottom: 0.6rem; }
#savedCount { color: var(--accent); }
.saved-list { display: flex; flex-direction: column; gap: 0.5rem; }
.saved-item {
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg); padding: 0.5rem 0.65rem;
}
.saved-top {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 0.6rem;
}
.saved-name { font-weight: 600; font-size: 0.9rem; }
.saved-meta { color: var(--muted); font-size: 0.75rem; margin-top: 0.1rem; }
.saved-actions { display: flex; gap: 0.3rem; flex-shrink: 0; }
.saved-sql { margin: 0.5rem 0 0; max-height: 12rem; overflow: auto; }

button {
  padding: 0.45rem 0.9rem; border-radius: 6px; cursor: pointer;
  background: var(--accent); color: var(--accent-text);
  border: 0; font-weight: 600;
}
button:disabled { opacity: 0.5; cursor: default; }

section { margin-top: 1.5rem; }
section h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin: 0 0 0.5rem; }

/* collapsible trace */
details.trace {
  margin-top: 1.5rem; padding: 0.55rem 0.75rem;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel);
}
details.trace > summary {
  cursor: pointer; color: var(--muted);
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em;
}
details.trace[open] > summary { margin-bottom: 0.6rem; }
#traceCount { color: var(--accent); }

details.tool {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); margin-bottom: 0.5rem; padding: 0.5rem 0.7rem;
}
details.tool.error { border-color: var(--err); }
details.tool > summary { cursor: pointer; color: var(--muted); }
summary .name { color: var(--text); font-weight: 600; }
summary .tag { color: var(--accent); }
summary .tag.err, details.tool.error summary .tag { color: var(--err); }

pre {
  margin: 0.5rem 0 0; padding: 0.6rem;
  background: var(--panel-3); border-radius: 6px; overflow-x: auto;
  font: 13px/1.45 ui-monospace, SFMono-Regular, Menlo, monospace;
  white-space: pre-wrap; word-break: break-word;
}

/* tables */
.table-wrap { overflow-x: auto; margin: 0.6rem 0; }
table {
  border-collapse: collapse; width: 100%; font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}
th, td { border: 1px solid var(--border); padding: 0.4rem 0.6rem; text-align: left; vertical-align: top; }
th { background: var(--panel-2); font-weight: 600; white-space: nowrap; }
tbody tr:nth-child(even) { background: var(--stripe); }
td { white-space: normal; }

#answerBody {
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); padding: 0.9rem 1.1rem;
}
#answerBody :first-child { margin-top: 0; }
#answerBody :last-child { margin-bottom: 0; }
#answerBody code { background: var(--panel-3); padding: 0.1rem 0.3rem; border-radius: 4px; }

.muted { color: var(--muted); font-size: 0.85rem; margin: 0.2rem 0; }
.err { color: var(--err); }

/* login */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
}
.login-wrap { width: 100%; max-width: 22rem; padding: 1.25rem; }
.login-card {
  display: flex; flex-direction: column; gap: 0.45rem;
  padding: 1.6rem 1.5rem;
  background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.12);
}
.login-card .logo { height: 34px; margin: 0 auto 0.4rem; }
.login-card h1 { font-size: 1.05rem; margin: 0 0 0.4rem; text-align: center; }
.login-card label { font-size: 0.8rem; color: var(--muted); margin-top: 0.4rem; }
.login-card input {
  padding: 0.5rem 0.6rem;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  font: inherit;
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.login-card button { margin-top: 0.9rem; padding: 0.55rem; }
.login-card .err { margin: 0.2rem 0 0; font-size: 0.9rem; }