/*
 * xref — Ultra blazing fast cross-references of an x86-64 ELF binary
 * Copyright (c) 2026 Alexander Panasenko
 *
 * Contact: alex@prod.codes
 * Author: https://prod.codes/about/
 * Project: https://github.com/alex09x/xref
 * SPDX-License-Identifier: MIT OR Apache-2.0
 */

:root {
  color-scheme: dark;
  --display: 'Red Hat Display', 'Helvetica Neue', Helvetica, system-ui, sans-serif;
  --body: 'Red Hat Text', 'Helvetica Neue', Helvetica, system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
  --bg: #121419;
  --surface: #1a1d24;
  --surface-alt: #161920;
  --text: #e6e8ee;
  --prose: #d5d9e1;
  --muted: #9aa2b1;
  --accent: #e8c57a;
  --accent-dim: rgba(232, 197, 122, 0.14);
  --ok: #6fd39c;
  --ok-dim: rgba(111, 211, 156, 0.14);
  --border: #262a33;
  --panel: #151820;
  --panel-text: #e6e8ee;
  --panel-muted: #8b93a3;
  --panel-border: #2b303a;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.wrap { max-width: 1260px; margin: 0 auto; padding: 0 24px; }

.topbar {
  border-bottom: 1px solid var(--border);
  background: rgba(18, 20, 25, 0.94);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; min-width: 0; }

.brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-weight: 700; font-size: 18px; color: var(--text); flex-shrink: 0; }
.brand:hover { text-decoration: none; }
.brand-logo { width: 28px; height: 28px; display: block; flex-shrink: 0; }
.brand-tag { font-size: 12px; font-weight: 500; color: var(--accent); border: 1px solid var(--border); background: var(--surface); padding: 2px 8px; border-radius: 4px; }
.brand-tag-doi { color: var(--ok); border-color: rgba(111, 211, 156, 0.32); }
.brand-tag-doi:hover { text-decoration: none; background: var(--ok-dim); }

.topnav { display: flex; align-items: center; gap: 18px; font-size: 14px; overflow-x: auto; white-space: nowrap; min-width: 0; scrollbar-width: none; }
.topnav::-webkit-scrollbar { display: none; }
.topnav a { color: var(--muted); }
.topnav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 48px 0 30px; }
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.hero h1 { font-family: var(--display); font-size: clamp(28px, 4.4vw, 50px); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 16px; max-width: 940px; }
.hero-sub { color: var(--prose); font-size: 17.5px; max-width: 860px; margin: 0 0 24px; }

.metrics-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.metric-card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; min-width: 0; }
.metric-val { font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--accent); line-height: 1.2; }
.metric-lbl { font-size: 13px; color: var(--muted); margin-top: 4px; }

.install-wrap { margin-top: 20px; }
.install-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-family: var(--mono); }
.install-title { font-size: 13px; font-weight: 600; color: var(--prose); letter-spacing: 0.02em; }
.install-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.install-card { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 8px; padding: 14px 16px; min-width: 0; }
.install-card-wide { grid-column: 1 / -1; }
.install-lbl { font-family: var(--mono); font-size: 11.5px; color: var(--accent); margin-bottom: 8px; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.install-lbl span { color: var(--panel-muted); }
.install-pre { margin: 0; font-family: var(--mono); font-size: 12px; line-height: 1.6; color: var(--ok); overflow-x: auto; white-space: pre; }

/* Dark Interactive Workbenches */
.workbench-section { padding: 28px 0 36px; }
.workbench-section + .workbench-section { border-top: 1px solid var(--border); }
.wb-section-intro { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.wb-section-intro h2 { font-family: var(--display); font-size: 24px; margin: 0; }

.workbench {
  background: var(--panel);
  color: var(--panel-text);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

.wb-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 11px 16px;
  background: #0f1218;
  border-bottom: 1px solid var(--panel-border);
}
.wb-status { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-family: var(--mono); font-size: 12px; color: var(--panel-muted); min-width: 0; word-break: break-word; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 3px 9px; border-radius: 999px; font-weight: 600; font-size: 11px; letter-spacing: 0.02em; }
.pill-demo { background: var(--accent-dim); color: var(--accent); border: 1px solid rgba(232, 197, 122, 0.34); }
.pill-ok { background: var(--ok-dim); color: var(--ok); border: 1px solid rgba(111, 211, 156, 0.34); }

.wb-input, .wb-btn {
  font-family: var(--mono);
  font-size: 12px;
  background: #1a1e27;
  color: var(--panel-text);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 6px 10px;
}
.wb-btn { background: var(--accent); color: #121419; font-weight: 600; border-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.wb-btn:hover:not(:disabled) { filter: brightness(1.06); }
.wb-btn-ghost { background: #1a1e27; color: var(--panel-muted); border-color: var(--panel-border); font-weight: 500; }
.wb-btn-ghost:hover:not(:disabled) { color: var(--panel-text); border-color: #3d4454; }
.wb-btn:disabled { opacity: 0.42; cursor: not-allowed; }

.wb-body { display: grid; grid-template-columns: 300px minmax(0, 1fr); min-height: 540px; }
.wb-sidebar { border-right: 1px solid var(--panel-border); display: flex; flex-direction: column; background: #11141b; min-width: 0; }
.wb-side-search { padding: 10px; border-bottom: 1px solid var(--panel-border); }
.wb-side-search input { width: 100%; }
.side-scroll { list-style: none; margin: 0; padding: 8px; overflow-y: auto; max-height: 590px; }

.side-group-lbl { font-family: var(--mono); font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--panel-muted); padding: 10px 8px 4px; }
.side-group-lbl:first-child { padding-top: 2px; }

.fn-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  color: inherit;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 3px;
  border: 1px solid transparent;
}
.fn-item:hover { background: #1a1f29; }
.fn-item.active { background: rgba(232, 197, 122, 0.12); border-color: rgba(232, 197, 122, 0.36); }
.fn-addr { font-family: var(--mono); font-size: 12px; color: var(--accent); display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.fn-size { color: var(--panel-muted); font-size: 11px; flex-shrink: 0; }
.fn-label { font-size: 12px; color: #cfd5e2; line-height: 1.35; margin-top: 3px; }

.wb-main { display: flex; flex-direction: column; min-width: 0; }
.viewer-head { padding: 14px 18px 12px; background: #131720; border-bottom: 1px solid var(--panel-border); }
.viewer-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.viewer-title { font-family: var(--display); font-size: 18px; font-weight: 700; margin: 0; color: var(--text); }
.viewer-sub { margin: 4px 0 0; font-size: 13.5px; color: var(--prose); }

.wb-tabs-bar { display: flex; align-items: center; gap: 6px; padding: 8px 14px; background: #12161f; border-bottom: 1px solid var(--panel-border); overflow-x: auto; white-space: nowrap; }
.wb-tab, .variant-pill {
  font-family: var(--mono);
  font-size: 12px;
  background: #181c26;
  color: var(--panel-muted);
  border: 1px solid var(--panel-border);
  padding: 5px 11px;
  border-radius: 5px;
  cursor: pointer;
  flex-shrink: 0;
}
.wb-tab:hover:not(:disabled), .variant-pill:hover { color: var(--panel-text); border-color: #3a4150; }
.wb-tab.active, .variant-pill.active { background: rgba(232, 197, 122, 0.14); color: var(--accent); border-color: rgba(232, 197, 122, 0.42); }
.wb-tab:disabled { opacity: 0.38; cursor: not-allowed; }

.variant-bar { padding: 9px 16px; background: #141822; border-bottom: 1px solid var(--panel-border); display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.variant-pills { display: flex; align-items: center; gap: 6px; overflow-x: auto; white-space: nowrap; }
.variant-note { font-size: 12.5px; color: var(--muted); }

.heuristic-bar { padding: 8px 16px; background: rgba(232, 197, 122, 0.08); border-bottom: 1px solid rgba(232, 197, 122, 0.24); font-size: 12.5px; color: #e4d4b0; }

.cmd-bar { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 16px; background: #0d1016; border-bottom: 1px solid var(--panel-border); font-family: var(--mono); font-size: 12.5px; min-width: 0; }
.cmd-text { color: var(--ok); overflow-x: auto; white-space: nowrap; flex: 1; min-width: 0; }
.cmd-prompt { color: var(--panel-muted); user-select: none; margin-right: 6px; }

.recorded-meta-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 6px 16px; background: #11151d; border-bottom: 1px solid var(--panel-border); font-family: var(--mono); font-size: 11px; color: var(--panel-muted); }

.code-view { margin: 0; padding: 16px 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.56; color: var(--panel-text); overflow: auto; max-height: 470px; flex: 1; white-space: pre; }

.jump-bar { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; padding: 8px 16px; background: #10141c; border-top: 1px solid var(--panel-border); font-family: var(--mono); font-size: 11.5px; color: var(--panel-muted); }
.jump-chip { font-family: var(--mono); font-size: 11.5px; background: #1a1f2b; color: var(--accent); border: 1px solid rgba(232, 197, 122, 0.3); border-radius: 4px; padding: 2px 8px; cursor: pointer; }
.jump-chip:hover { background: var(--accent-dim); }

.file-preview-box { border-top: 1px solid var(--panel-border); background: #0f131b; min-width: 0; }
.file-preview-head { padding: 8px 16px; font-family: var(--mono); font-size: 11.5px; color: var(--accent); border-bottom: 1px solid var(--panel-border); background: #131822; }

/* Lower Sections */
.section { padding: 42px 0; border-top: 1px solid var(--border); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.section-head h2 { font-family: var(--display); font-size: 25px; margin: 0; }
.section-note { font-family: var(--mono); font-size: 12px; color: var(--muted); }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); }
.bench-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.bench-table th, .bench-table td { text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--border); }
.bench-table tr:last-child td { border-bottom: none; }
.bench-table th { font-family: var(--mono); font-size: 12px; color: var(--muted); background: var(--surface-alt); }
.bench-table td.mono { font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }
.bench-table td.fast { font-family: var(--mono); font-weight: 700; color: var(--accent); white-space: nowrap; }

.prov-box { margin-top: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px 18px; font-size: 13px; color: var(--muted); overflow-wrap: anywhere; }
.prov-box code { font-family: var(--mono); font-size: 12px; color: var(--prose); }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 20px; min-width: 0; }
.card h3 { font-family: var(--display); font-size: 17px; margin: 0 0 8px; }
.card p { margin: 0; font-size: 14.5px; color: var(--prose); }
.card-code { font-family: var(--mono); font-size: 11.5px; color: var(--accent); margin-bottom: 8px; }

.cli-box { background: var(--panel); color: var(--panel-text); border: 1px solid var(--panel-border); border-radius: 8px; padding: 18px 20px; font-family: var(--mono); font-size: 12.5px; line-height: 1.7; overflow-x: auto; white-space: pre; }

.cite-lead { margin: 0 0 16px; color: var(--prose); font-size: 15px; max-width: 74ch; }
.cite-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.cite-pill { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 7px 13px; border-radius: 7px; background: var(--surface); border: 1px solid var(--border); font-family: var(--mono); font-size: 12.5px; color: var(--accent); }
.cite-pill:hover { text-decoration: none; border-color: var(--accent); }
.cite-pill-muted { color: var(--prose); }
.cite-pill-lbl { color: var(--muted); }
.cite-plain { margin: 14px 0 0; font-size: 13.5px; color: var(--muted); overflow-wrap: anywhere; }

.footer { border-top: 1px solid var(--border); padding: 28px 0 44px; font-size: 13.5px; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  .wrap { padding: 0 16px; }
  .metrics-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .wb-body, .grid-3, .install-grid { grid-template-columns: minmax(0, 1fr); }
  .wb-sidebar { border-right: none; border-bottom: 1px solid var(--panel-border); }
  .side-scroll { max-height: 220px; }
}