:root {
  --bg:       #0d1117;
  --surface:  #161b22;
  --border:   #30363d;
  --text:     #e6edf3;
  --muted:    #8b949e;
  --green:    #3fb950;
  --red:      #f85149;
  --blue:     #58a6ff;
  --yellow:   #d29922;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

header h1 { font-size: 18px; font-weight: 600; }
header span { color: var(--muted); font-size: 12px; }
header #about-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: color .15s, border-color .15s;
}
header #about-btn:hover { color: var(--text); border-color: var(--blue); }
header .donate-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  font-size: 12px;
  color: var(--muted);
}
header .donate-bar form { display: flex; align-items: center; }
header .donate-bar input[type="image"] { display: block; }
header .donate-text { cursor: pointer; }
header .donate-text:hover { color: var(--text); }

/* S&P 500 card */
.sp500-card {
  margin-left: auto;
  cursor: pointer;
  min-width: 220px;
  transition: border-color .15s;
}
.sp500-card:hover { border-color: var(--blue); }
.sp500-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sp500-info { flex: 1; min-width: 0; }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 620px;
  max-width: 95vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
}
.modal-wide { width: 820px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 16px; font-weight: 600; }
.modal-header button:not(.ai-btn):not(.copy-btn) {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.modal-header button:not(.ai-btn):not(.copy-btn):hover { color: var(--text); }

.modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.modal-body h3 { font-size: 13px; font-weight: 600; color: var(--blue); text-transform: uppercase; letter-spacing: .05em; }
.modal-body p  { color: var(--muted); line-height: 1.7; }
.modal-body code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 12px;
  color: var(--text);
}

.about-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.about-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  background: none;
  text-transform: none;
  letter-spacing: 0;
  cursor: default;
}
.about-table td { padding: 7px 10px; border-top: 1px solid var(--border); color: var(--text); }
.about-table tr:hover td { background: rgba(255,255,255,.02); }

.container { max-width: 1600px; margin: 0 auto; padding: 24px; }

/* Stats bar */
.stats {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 20px;
  min-width: 160px;
}

.stat-card .label { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.stat-card .value { font-size: 22px; font-weight: 600; }

/* Search */
.search-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}

.search-bar input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  width: 300px;
  outline: none;
}

.search-bar input:focus { border-color: var(--blue); }

/* Table */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
  overflow-y: auto;
  max-height: calc(100vh - 280px);
}

.table-wrap thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}

table { width: 100%; border-collapse: collapse; }

th {
  background: var(--bg);
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

th:hover { color: var(--text); }

td {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  white-space: nowrap;
}

tr:hover td { background: rgba(255,255,255,.03); }

.pos { color: var(--green); }
.neg { color: var(--red); }
.neu { color: var(--muted); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge-high   { background: rgba(63,185,80,.15);  color: var(--green); }
.badge-mid    { background: rgba(210,153,34,.15);  color: var(--yellow); }
.badge-low    { background: rgba(248,81,73,.15);   color: var(--red); }

/* Company detail */
.company-header {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}

.company-header .ticker {
  font-size: 28px;
  font-weight: 700;
  color: var(--blue);
}

.company-header .co-name {
  color: var(--muted);
  font-size: 15px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
}

.metric-card .label { color: var(--muted); font-size: 12px; margin-bottom: 4px; }
.metric-card .val   { font-size: 20px; font-weight: 600; }

.chart-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}

.chart-wrap h3 { font-size: 14px; color: var(--muted); }

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.range-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.range-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 3px 9px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: color .15s, border-color .15s, background .15s;
}
.range-btn:hover  { color: var(--text); border-color: var(--muted); }
.range-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }

canvas { max-height: 280px; }

.back-link { margin-bottom: 16px; display: block; }

.loading { color: var(--muted); padding: 40px; text-align: center; }

/* AI Analyze button */
.ai-btn {
  background: linear-gradient(135deg, #6e40c9, #58a6ff);
  border: none;
  color: #fff;
  padding: 8px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  align-self: flex-start;
  transition: opacity .15s;
}
.ai-btn:hover    { opacity: .85; }
.ai-btn:disabled { opacity: .5; cursor: not-allowed; }

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color .15s, border-color .15s, background .15s;
  flex-shrink: 0;
}
.copy-btn:hover  { color: var(--text); border-color: var(--blue); }
.copy-btn.copied { color: var(--green); border-color: var(--green); background: rgba(63,185,80,.1); }

/* AI analysis rendered markdown */
.ai-content { line-height: 1.75; color: var(--text); font-size: 14px; }
.ai-content h1, .ai-content h2, .ai-content h3 {
  color: var(--blue);
  margin: 16px 0 6px;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.ai-content h1:first-child, .ai-content h2:first-child, .ai-content h3:first-child { margin-top: 0; }
.ai-content p  { margin-bottom: 10px; color: var(--muted); }
.ai-content ul, .ai-content ol { margin: 6px 0 10px 20px; color: var(--muted); }
.ai-content li { margin-bottom: 4px; }
.ai-content strong { color: var(--text); font-weight: 600; }
.ai-content em { color: var(--muted); }
.ai-content pre, .ai-content code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 12px;
}
.ai-thinking {
  color: var(--muted);
  font-style: italic;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-thinking::before {
  content: "";
  display: inline-block;
  width: 10px; height: 10px;
  border: 2px solid var(--muted);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.refresh-btn {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  line-height: 0;
  transition: color .15s;
}
.refresh-btn:hover       { color: var(--blue); }
.refresh-btn.spinning svg { animation: spin .7s linear infinite; }