/* ===== hazens-ai-trading UI ===== */
/* dark professional theme, Chinese-friendly */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

html{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;
  font-size:15px;
  color:#e1e4e8;
  background:#0d1117;
  -webkit-font-smoothing:antialiased;
}

body{
  display:flex;
  flex-direction:column;
  min-height:100vh;
}

/* ===== Topbar / Nav ===== */
.topbar{
  background:#161b22;
  border-bottom:1px solid #30363d;
  position:sticky;
  top:0;
  z-index:100;
}
.topbar-inner{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  height:52px;
}
.brand{
  font-size:1.05rem;
  font-weight:700;
  color:#f0f6fc;
  letter-spacing:-.3px;
  white-space:nowrap;
}
.nav{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav a{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  font-size:.85rem;
  font-weight:500;
  color:#8b949e;
  text-decoration:none;
  border-radius:6px;
  transition:all .15s;
}
.nav a:hover{color:#f0f6fc;background:#21262d}
.nav a.active{color:#f0f6fc;background:#1f6feb33}
.nav-sep{
  display:inline-block;
  width:1px;
  height:18px;
  background:#30363d;
  margin:0 6px;
}

/* ===== Main ===== */
.main-content{
  flex:1;
  max-width:1100px;
  width:100%;
  margin:0 auto;
  padding:28px 20px 60px;
}

/* ===== Card ===== */
.card{
  background:#161b22;
  border:1px solid #30363d;
  border-radius:8px;
  padding:24px;
  margin-bottom:20px;
}

/* ===== Flash Messages ===== */
.flash{
  display:flex;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  border-radius:6px;
  font-size:.85rem;
  font-weight:500;
  margin-bottom:16px;
  animation:fadeIn .25s ease;
}
.flash-icon{flex-shrink:0;font-size:1rem}
.flash-success{background:#1b3d20;border:1px solid #2ea043;color:#7ee787}
.flash-error{background:#3d1217;border:1px solid #da3633;color:#ffa198}
@keyframes fadeIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}

/* ===== Footer / request_id ===== */
.page-footer{
  background:#161b22;
  border-top:1px solid #30363d;
  padding:10px 20px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:.78rem;
  color:#8b949e;
}
.footer-label{
  text-transform:uppercase;
  letter-spacing:.4px;
  font-weight:500;
  font-size:.7rem;
}
.footer-rid{
  font-family:"SF Mono","Fira Code","Cascadia Code","JetBrains Mono",Consolas,monospace;
  font-size:.78rem;
  color:#58a6ff;
  background:#0d1117;
  padding:2px 8px;
  border-radius:4px;
  border:1px solid #21262d;
}

/* ===== Typography ===== */
h1{font-size:1.5rem;font-weight:600;color:#f0f6fc;margin-bottom:20px}
h2{font-size:1.1rem;font-weight:600;color:#f0f6fc;margin-bottom:12px}
p{line-height:1.6;color:#8b949e;margin-bottom:12px}

/* ===== Form ===== */
.form-compact .form-row{
  display:flex;
  flex-direction:column;
  gap:4px;
  margin-bottom:14px;
}
.form-compact label{
  font-size:.8rem;
  font-weight:600;
  color:#8b949e;
  letter-spacing:.2px;
}
.form-compact input[type="text"],
.form-compact input[type="password"]{
  width:100%;
  padding:9px 12px;
  background:#0d1117;
  border:1px solid #30363d;
  border-radius:6px;
  color:#e1e4e8;
  font-size:.9rem;
  outline:none;
  transition:border-color .2s;
}
.form-compact input:focus{
  border-color:#58a6ff;
  box-shadow:0 0 0 3px rgba(88,166,255,.15);
}
.form-compact .form-actions{
  display:flex;
  gap:10px;
  margin-top:6px;
}
.form-compact .form-hint{
  font-size:.75rem;
  color:#8b949e;
  margin-top:8px;
  line-height:1.5;
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:5px;
  padding:8px 18px;
  border:none;
  border-radius:6px;
  font-size:.85rem;
  font-weight:600;
  cursor:pointer;
  text-decoration:none;
  transition:all .15s;
  line-height:1.4;
}
.btn-primary{background:#238636;color:#fff}
.btn-primary:hover{background:#2ea043}
.btn-secondary{background:#21262d;color:#c9d1d9;border:1px solid #30363d}
.btn-secondary:hover{background:#30363d;border-color:#8b949e}
.btn-danger{background:#da3633;color:#fff}
.btn-danger:hover{background:#f85149}
.btn-sm{padding:5px 12px;font-size:.78rem}
a.btn{display:inline-flex}

/* ===== Grid / Dashboard ===== */
.dashboard-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:16px;
}
.dashboard-grid .card{padding:20px;margin-bottom:0}
.dashboard-grid .card h2{font-size:1rem;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid #21262d}
.kv-list{display:flex;flex-direction:column;gap:8px}
.kv-row{display:flex;align-items:baseline;gap:8px;font-size:.85rem;line-height:1.5}
.kv-key{color:#8b949e;font-weight:500;white-space:nowrap;min-width:60px}
.kv-val{color:#e1e4e8;word-break:break-word}
.pill{display:inline-block;padding:2px 10px;border-radius:10px;font-size:.75rem;font-weight:600}
.pill-ok{background:#1b3d20;color:#7ee787}
.pill-warn{background:#3d2e00;color:#d29922}
.link-list{list-style:none;display:flex;flex-direction:column;gap:6px}
.link-list li{font-size:.85rem}
.link-list a{color:#58a6ff;text-decoration:none}
.link-list a:hover{text-decoration:underline}

/* ===== Error message block ===== */
.error-block{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:10px 14px;
  background:#3d1217;
  border:1px solid #da3633;
  border-radius:6px;
  margin-bottom:16px;
  font-size:.85rem;
  color:#ffa198;
  line-height:1.5;
}
.error-block .err-icon{flex-shrink:0;font-size:1rem;margin-top:1px}

/* ===== Table ===== */
table{width:100%;border-collapse:collapse;font-size:.85rem}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid #21262d}
th{font-weight:600;color:#8b949e;font-size:.75rem;text-transform:uppercase;letter-spacing:.3px}
tr:hover{background:#1c2128}
code{
  font-family:"SF Mono","Fira Code","Cascadia Code","JetBrains Mono",Consolas,monospace;
  font-size:.82rem;
  background:#1c2128;
  padding:1px 5px;
  border-radius:3px;
  color:#f0f6fc;
}
pre{
  background:#0d1117;
  border:1px solid #21262d;
  border-radius:6px;
  padding:14px 16px;
  overflow-x:auto;
  font-size:.8rem;
  line-height:1.55;
}
pre code{background:none;padding:0}

/* ===== Helpers ===== */
.text-muted{color:#8b949e}
.text-center{text-align:center}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mb-8{margin-bottom:8px}

/* ===== Loading ===== */
.loading-spinner{
  display:inline-block;
  width:24px;
  height:24px;
  border:2.5px solid #30363d;
  border-top-color:#58a6ff;
  border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-wrap{text-align:center;padding:40px 0;color:#8b949e}

/* ===== Request ID display block ===== */
.rid-block{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  background:#0d1117;
  border:1px solid #21262d;
  border-radius:6px;
  margin-bottom:16px;
}
.rid-block .rid-label{font-size:.78rem;color:#8b949e;font-weight:500}
.rid-block .rid-value{
  font-family:"SF Mono","Fira Code",Consolas,monospace;
  font-size:.82rem;
  color:#58a6ff;
  word-break:break-all;
}
.rid-block .rid-copy{
  margin-left:auto;
  padding:3px 10px;
  font-size:.72rem;
  background:#21262d;
  border:1px solid #30363d;
  border-radius:4px;
  color:#8b949e;
  cursor:pointer;
  transition:all .15s;
  white-space:nowrap;
}
.rid-block .rid-copy:hover{color:#58a6ff;border-color:#58a6ff}
.rid-block .rid-copy.copied{color:#3fb950;border-color:#3fb950}

/* ===== JSON viewer ===== */
.json-toolbar{
  display:flex;
  gap:8px;
  margin-bottom:10px;
  flex-wrap:wrap;
}
.json-toolbar .btn{padding:4px 12px;font-size:.78rem}
.json-container pre{margin:0}
.json-container code.hljs{background:transparent;padding:0}

/* ===== Meta grid for trace ===== */
.meta-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:10px;
  margin-bottom:16px;
}
.meta-item{
  background:#0d1117;
  border:1px solid #21262d;
  border-radius:6px;
  padding:8px 12px;
}
.meta-item .meta-label{
  font-size:.7rem;
  text-transform:uppercase;
  letter-spacing:.4px;
  color:#8b949e;
  margin-bottom:3px;
}
.meta-item .meta-value{
  font-size:.85rem;
  color:#f0f6fc;
  font-family:"SF Mono","Fira Code",Consolas,monospace;
}
.meta-item .meta-value.success{color:#3fb950}
.meta-item .meta-value.failed{color:#f85149}

/* ===== Empty state ===== */
.empty-state{
  text-align:center;
  padding:48px 20px;
  color:#8b949e;
}
.empty-state .empty-icon{font-size:2.5rem;margin-bottom:12px;opacity:.5}
.empty-state p{font-size:.9rem}