app/static/style.css

/* SQLForge — dark "forge" theme: deep slate + molten amber, cyan for SQL */
:root {
  --bg: #0a0e16;
  --bg-2: #0e131e;
  --panel: #131a28;
  --panel-2: #161e2e;
  --border: #243149;
  --border-soft: #1c2638;
  --text: #e7ecf4;
  --text-dim: #9aa7bd;
  --muted: #6b7890;
  --amber: #f59e0b;
  --amber-2: #f97316;
  --cyan: #38bdf8;
  --green: #34d399;
  --red: #f87171;
  --radius: 14px;
  --shadow: 0 18px 50px -18px rgba(0,0,0,.7);
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

/* ambient glow */
.aurora {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 78% -8%, rgba(249,115,22,.16), transparent 60%),
    radial-gradient(48rem 34rem at 8% 4%, rgba(56,189,248,.10), transparent 55%),
    radial-gradient(40rem 40rem at 50% 120%, rgba(245,158,11,.08), transparent 60%);
}

/* ---------- top bar ---------- */
.topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 44px);
  border-bottom: 1px solid var(--border-soft);
  background: rgba(10,14,22,.6);
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 13px; }
.logo {
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  color: #1a1205;
  background: linear-gradient(140deg, var(--amber), var(--amber-2));
  box-shadow: 0 6px 20px -6px rgba(245,158,11,.6);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: -.02em; }
.brand-sub { font-size: 12px; color: var(--muted); letter-spacing: .02em; }
.accent {
  background: linear-gradient(120deg, var(--amber), var(--amber-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* status pill */
.status {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 600;
  border: 1px solid var(--border);
  background: var(--panel);
}
.status .dot {
  width: 9px; height: 9px; border-radius: 50%; background: var(--muted);
  box-shadow: 0 0 0 0 rgba(0,0,0,0);
}
.status[data-state="online"] { color: var(--green); border-color: rgba(52,211,153,.35); }
.status[data-state="online"] .dot { background: var(--green); box-shadow: 0 0 10px 1px rgba(52,211,153,.7); }
.status[data-state="loading"] { color: var(--amber); border-color: rgba(245,158,11,.35); }
.status[data-state="loading"] .dot { background: var(--amber); animation: pulse 1.2s infinite; }
.status[data-state="error"],
.status[data-state="offline"] { color: var(--red); border-color: rgba(248,113,113,.35); }
.status[data-state="error"] .dot,
.status[data-state="offline"] .dot { background: var(--red); }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.35} }

/* ---------- layout ---------- */
.layout {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.15fr);
  gap: 22px;
  padding: clamp(18px, 3vw, 32px) clamp(18px, 4vw, 44px);
  max-width: 1280px; margin: 0 auto;
}
@media (max-width: 880px) { .layout { grid-template-columns: 1fr; } }

.panel {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.panel-head h2 { margin: 0 0 4px; font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.panel-head.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.muted { color: var(--muted); }
.panel-head p { margin: 0 0 6px; font-size: 13px; }

/* ---------- form ---------- */
.field-label {
  display: block; margin: 16px 0 7px;
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--text-dim);
}
.select-wrap { position: relative; }
.select-wrap::after {
  content: "▾"; position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  color: var(--muted); pointer-events: none; font-size: 12px;
}
select, textarea {
  width: 100%; font-family: var(--sans); font-size: 14px; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; outline: none;
  transition: border-color .15s, box-shadow .15s;
}
select { appearance: none; cursor: pointer; padding-right: 34px; }
textarea { resize: vertical; min-height: 64px; }
select:focus, textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(245,158,11,.15);
}

.examples { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  font-size: 12.5px; color: var(--text-dim); cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 7px 12px; border-radius: 999px;
  transition: all .15s; line-height: 1.3; max-width: 100%;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chip:hover { color: var(--text); border-color: var(--amber); background: rgba(245,158,11,.08); }

.schema-box { margin-top: 16px; border-top: 1px solid var(--border-soft); padding-top: 12px; }
.schema-box summary {
  cursor: pointer; font-size: 13px; color: var(--text-dim); font-weight: 600;
  list-style: none; display: flex; align-items: center; gap: 6px;
}
.schema-box summary::-webkit-details-marker { display: none; }
.schema-box .chev { transition: transform .2s; color: var(--muted); }
.schema-box[open] .chev { transform: rotate(90deg); }
.schema-box pre { margin: 10px 0 0; max-height: 220px; overflow: auto; }

/* run button */
.run-btn {
  position: relative; width: 100%; margin-top: 18px;
  font-family: var(--sans); font-size: 15px; font-weight: 700; color: #1a1205;
  background: linear-gradient(120deg, var(--amber), var(--amber-2));
  border: none; border-radius: 11px; padding: 13px 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: 0 10px 26px -10px rgba(245,158,11,.65);
  transition: transform .12s, box-shadow .12s, filter .12s;
}
.run-btn:hover { transform: translateY(-1px); filter: brightness(1.05); }
.run-btn:active { transform: translateY(0); }
.run-btn:disabled { cursor: not-allowed; filter: grayscale(.4) brightness(.8); box-shadow: none; }
.run-btn .spinner {
  width: 16px; height: 16px; border-radius: 50%; display: none;
  border: 2px solid rgba(26,18,5,.35); border-top-color: #1a1205;
  animation: spin .7s linear infinite;
}
.run-btn.loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- output ---------- */
.badges { display: flex; flex-wrap: wrap; gap: 7px; }
.badge {
  font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-dim); background: var(--panel-2);
  white-space: nowrap;
}
.badge.good { color: var(--green); border-color: rgba(52,211,153,.35); background: rgba(52,211,153,.08); }
.badge.fix  { color: var(--amber); border-color: rgba(245,158,11,.35); background: rgba(245,158,11,.08); }
.badge.warn { color: var(--red); border-color: rgba(248,113,113,.35); background: rgba(248,113,113,.08); }

.placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; text-align: center; color: var(--muted);
  min-height: 320px; border: 1px dashed var(--border); border-radius: 12px; margin-top: 16px;
}
.placeholder svg { color: var(--border); }

.result { margin-top: 16px; display: flex; flex-direction: column; gap: 14px; }
.hidden { display: none !important; }

.block { border: 1px solid var(--border-soft); border-radius: 11px; overflow: hidden; background: var(--bg); }
.block-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 14px; font-size: 12.5px; font-weight: 600; color: var(--text-dim);
  background: var(--panel-2); border-bottom: 1px solid var(--border-soft);
}
.block.trace .block-head { color: var(--amber); }
.block.error { border-color: rgba(248,113,113,.4); }
.block.error .block-head { color: var(--red); background: rgba(248,113,113,.07); }

.code { font-family: var(--mono); font-size: 13px; padding: 14px; margin: 0; overflow: auto; line-height: 1.6; }
pre.code { white-space: pre-wrap; word-break: break-word; }
.sql .kw { color: var(--cyan); font-weight: 600; }
.sql .fn { color: var(--amber); }
.sql .str { color: var(--green); }
.sql .num { color: #c4b5fd; }

.copy {
  font-family: var(--sans); font-size: 11.5px; color: var(--text-dim); cursor: pointer;
  background: transparent; border: 1px solid var(--border); border-radius: 6px; padding: 3px 9px;
  transition: all .15s;
}
.copy:hover { color: var(--text); border-color: var(--amber); }

/* self-correction trace */
.trace-step { padding: 11px 14px; border-bottom: 1px solid var(--border-soft); }
.trace-step:last-child { border-bottom: none; }
.trace-step .tlabel { font-size: 12px; font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 7px; }
.trace-step .tlabel .tag { font-size: 10.5px; padding: 2px 7px; border-radius: 999px; }
.trace-step .tag.fail { color: var(--red); background: rgba(248,113,113,.12); }
.trace-step .tag.ok { color: var(--green); background: rgba(52,211,153,.12); }
.trace-step pre { margin: 0; font-size: 12.5px; }
.trace-step .terr { color: var(--red); font-size: 12px; margin-top: 6px; font-family: var(--mono); }

/* results table */
.table-scroll { overflow: auto; max-height: 360px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td {
  text-align: left; padding: 8px 14px; border-bottom: 1px solid var(--border-soft);
  white-space: nowrap; font-family: var(--mono); font-size: 12.5px;
}
th { position: sticky; top: 0; background: var(--panel-2); color: var(--text-dim); font-weight: 600; z-index: 1; }
td { color: var(--text); }
tbody tr:hover td { background: rgba(255,255,255,.02); }

/* footer */
.footer {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px;
  padding: 22px 18px 32px; font-size: 12.5px; color: var(--text-dim);
  border-top: 1px solid var(--border-soft); margin-top: 8px;
}
.footer .sep { color: var(--border); }
.footer b { font-weight: 700; }