:root {
  --ink: #152033;
  --muted: #5b6b7c;
  --bg: #f4f6f9;
  --panel: #ffffff;
  --line: #e3e8ef;
  --blue: #1f5eff;
  --blue-deep: #1546c4;
  --blue-soft: rgba(31, 94, 255, 0.08);
  --red: #d64545;
  --green: #1f9d6a;
  --amber: #d97706;
  --shadow: 0 8px 28px rgba(21, 32, 51, 0.06);
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --display: "IBM Plex Serif", Georgia, serif;
  --rail: 232px;
  --top: 58px;
  --lex: 72px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.btn {
  border: 0; border-radius: 10px; padding: .62rem 1rem;
  background: var(--blue); color: #fff; font-weight: 600;
}
.btn:hover { background: var(--blue-deep); }
.btn:disabled { opacity: .55; cursor: wait; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn.ok { background: var(--green); }
.btn.danger { background: var(--red); }
.btn.block { width: 100%; }
.btn.icon { padding: .55rem .8rem; }
.btn.ghost { background: var(--blue-soft); color: var(--blue-deep); }
.linkish { border: 0; background: none; color: var(--muted); text-decoration: underline; font-size: .82rem; }

.logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center; font-weight: 700; color: #fff;
  background: linear-gradient(145deg, var(--blue), #0b2f8a);
}
.logo-mark.sm { width: 30px; height: 30px; font-size: .85rem; border-radius: 8px; }
.pill {
  font-size: .68rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  padding: .2rem .45rem; border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep);
}

/* Login */
.login {
  min-height: 100%; display: grid; place-items: center; padding: 1.5rem;
  background:
    radial-gradient(700px 320px at 10% 0%, rgba(31,94,255,.12), transparent 60%),
    var(--bg);
}
.login-card {
  width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 1.5rem; box-shadow: var(--shadow); display: grid; gap: .8rem;
}
.login-brand { display: flex; gap: .75rem; align-items: center; }
.login-brand strong { display: block; }
.login-brand small, .login-lead { color: var(--muted); margin: 0; }
.login label { display: grid; gap: .3rem; font-size: .84rem; color: var(--muted); font-weight: 600; }
.login input, .app input, .app select, .app textarea {
  border: 1px solid var(--line); border-radius: 10px; padding: .65rem .8rem; background: #fff;
}
.login input:focus, .app input:focus, .app select:focus, .app textarea:focus {
  outline: 2px solid rgba(31,94,255,.2); border-color: rgba(31,94,255,.45);
}
.error { color: var(--red); margin: 0; font-size: .88rem; }

/* App shell Adaptive */
.app {
  min-height: 100%; display: grid;
  grid-template-rows: var(--top) 1fr auto;
}
.topbar {
  height: var(--top); background: #fff; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 1rem; padding: 0 1rem;
  position: sticky; top: 0; z-index: 20;
}
.topbar-left { display: flex; align-items: center; gap: .55rem; min-width: 180px; }
.top-search {
  flex: 1; display: flex; gap: .4rem; max-width: 640px; margin: 0 auto;
  position: relative;
}
.top-search input { flex: 1; background: var(--bg); }
.search-results {
  position: absolute; top: calc(100% + .35rem); left: 0; right: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 10px 28px rgba(20, 30, 50, .12); z-index: 40;
  max-height: min(420px, 70vh); overflow: auto; padding: .35rem;
}
.search-results .sr-group {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); padding: .45rem .55rem .15rem; font-weight: 600;
}
.search-results button.sr-item {
  display: block; width: 100%; text-align: left; border: 0; background: transparent;
  padding: .5rem .6rem; border-radius: 8px; cursor: pointer; font: inherit; color: inherit;
}
.search-results button.sr-item:hover,
.search-results button.sr-item.active { background: var(--blue-soft); }
.search-results .sr-item strong { display: block; font-size: .9rem; }
.search-results .sr-item span { font-size: .75rem; color: var(--muted); }
.search-results .sr-foot {
  border-top: 1px solid var(--line); margin-top: .25rem; padding: .35rem;
}
.search-results .sr-empty { padding: .75rem .6rem; color: var(--muted); font-size: .85rem; }
.topbar-right { display: flex; align-items: center; gap: .65rem; margin-left: auto; }
.ctx-chip, .user-chip {
  font-size: .78rem; color: var(--muted); max-width: 220px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ctx-chip {
  background: var(--blue-soft); color: var(--blue-deep); padding: .35rem .6rem;
  border-radius: 999px; font-weight: 600;
}

.body { display: grid; grid-template-columns: var(--rail) 1fr; min-height: 0; }
.rail {
  background: #fff; border-right: 1px solid var(--line);
  padding: .85rem .65rem; display: flex; flex-direction: column; gap: .75rem;
}
nav { display: flex; flex-direction: column; gap: .2rem; }
nav button {
  border: 0; background: transparent; text-align: left; color: var(--ink);
  padding: .7rem .7rem; border-radius: 10px;
  display: flex; align-items: center; gap: .55rem; font-weight: 500;
}
nav button .ico { width: 1.1rem; color: var(--muted); }
nav button:hover { background: var(--bg); }
nav button.active { background: var(--blue-soft); color: var(--blue-deep); font-weight: 700; }
.nav-badge {
  margin-left: auto; min-width: 1.25rem; height: 1.25rem; border-radius: 999px;
  background: var(--red); color: #fff; font-size: .68rem; font-weight: 700;
  display: grid; place-items: center; padding: 0 .3rem;
}
.rail-note { margin-top: auto; font-size: .72rem; color: var(--muted); padding: .5rem; line-height: 1.35; }

main { padding: 1.1rem 1.35rem 1.5rem; min-width: 0; padding-bottom: 1rem; }
.page-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap;
}
.page-head h1 {
  margin: 0; font-family: var(--display); font-weight: 600; font-size: 1.55rem;
}
.page-head p { margin: .2rem 0 0; color: var(--muted); }
.top-actions { display: flex; gap: .45rem; flex-wrap: wrap; }

.grid-kpi {
  display: grid; gap: .75rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}
.kpi {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: .9rem 1rem; box-shadow: var(--shadow); cursor: pointer;
}
.kpi strong { display: block; font-size: 1.45rem; font-weight: 700; }
.kpi span { color: var(--muted); font-size: .8rem; }
.kpi.crit strong { color: var(--red); }
.kpi.ok strong { color: var(--green); }

.panel {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem; box-shadow: var(--shadow);
}
.panel h3 {
  margin: 0 0 .75rem; font-size: .78rem; text-transform: uppercase;
  letter-spacing: .06em; color: var(--muted); font-weight: 700;
}
.two-col { display: grid; gap: .9rem; grid-template-columns: 1.2fr .8fr; }
.three-col { display: grid; gap: .9rem; grid-template-columns: 1.1fr .9fr .9fr; }
@media (max-width: 1100px) {
  .three-col, .two-col { grid-template-columns: 1fr; }
}

.stack { display: grid; gap: .75rem; }
.row { display: flex; gap: .55rem; flex-wrap: wrap; align-items: center; }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.list li {
  padding: .75rem .85rem; border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
.list li.interactive { cursor: pointer; }
.list li.interactive:hover { border-color: rgba(31,94,255,.35); background: #f8faff; }
.suggest {
  display: grid; gap: .25rem; padding: .8rem .9rem; border-radius: 10px;
  border: 1px solid var(--line); background: linear-gradient(180deg, #f8faff, #fff);
  cursor: pointer;
}
.suggest:hover { border-color: rgba(31,94,255,.4); }
.suggest strong { font-size: .92rem; }
.suggest small { color: var(--muted); }
.badge {
  display: inline-block; font-size: .68rem; font-weight: 700; padding: .15rem .45rem;
  border-radius: 999px; background: #eef2ff; color: var(--blue-deep);
}
.badge.warn { background: #fff1f0; color: var(--red); }
.badge.ok { background: #e8f8f1; color: var(--green); }
.muted { color: var(--muted); font-size: .88rem; }
.mono { white-space: pre-wrap; font-size: .9rem; line-height: 1.5; }
.empty {
  padding: 1.2rem; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: 10px;
}
.tabs { display: flex; gap: .35rem; flex-wrap: wrap; margin-bottom: .75rem; }
.tabs button {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: .4rem .75rem; font-size: .82rem; font-weight: 600; color: var(--muted);
}
.tabs button.active { background: var(--blue-soft); color: var(--blue-deep); border-color: transparent; }

table.matters {
  width: 100%; border-collapse: collapse; font-size: .9rem;
}
table.matters th, table.matters td {
  text-align: left; padding: .7rem .55rem; border-bottom: 1px solid var(--line);
}
table.matters th { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
table.matters tr { cursor: pointer; }
table.matters tr:hover td { background: #f8faff; }

.doc-preview {
  max-height: 200px; overflow: auto; margin-top: .45rem;
  padding: .75rem; background: #f8faff; border-radius: 8px; border: 1px solid var(--line);
}
textarea { width: 100%; min-height: 120px; resize: vertical; }

/* Lex Natural bar */
.lex-bar {
  position: sticky; bottom: 0; z-index: 30;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-top: 1px solid var(--line); padding: .65rem 1rem .75rem;
  box-shadow: 0 -8px 24px rgba(21,32,51,.05);
}
.lex-bar-inner {
  max-width: 1100px; margin: 0 auto; display: flex; gap: .55rem; align-items: center;
}
.lex-avatar {
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  background: var(--blue); color: #fff; font-weight: 700; flex-shrink: 0;
}
.lex-bar-inner input { flex: 1; background: var(--bg); }
.lex-out {
  max-width: 1100px; margin: .55rem auto 0; padding: .75rem .9rem;
  background: #f8faff; border: 1px solid var(--line); border-radius: 10px;
  max-height: 180px; overflow: auto; font-size: .9rem;
}

.toast {
  position: fixed; right: 1rem; bottom: calc(var(--lex) + .5rem); z-index: 50;
  background: var(--ink); color: #fff; padding: .7rem 1rem; border-radius: 10px;
  max-width: min(360px, calc(100vw - 2rem));
}
.toast.err { background: var(--red); }

.principle {
  font-size: .82rem; color: var(--muted); padding: .65rem .8rem;
  border-left: 3px solid var(--blue); background: #fff; border-radius: 0 8px 8px 0;
  margin-bottom: .85rem;
}

.briefing-mobile {
  display: none;
  margin: 0 0 .85rem;
  padding: .9rem 1rem;
  border-radius: 12px;
  background: linear-gradient(120deg, #1f5eff, #1546c4);
  color: #fff;
}
.briefing-mobile strong { display: block; font-size: 1rem; margin-bottom: .25rem; }
.briefing-mobile button {
  margin-top: .65rem; border: 0; border-radius: 10px; padding: .55rem .9rem;
  background: #fff; color: var(--blue-deep); font-weight: 700;
}

.help-modal {
  position: fixed; inset: 0; background: rgba(21,32,51,.45);
  display: grid; place-items: center; z-index: 60; padding: 1rem;
}
.help-modal[hidden] { display: none !important; }
.help-card {
  width: min(440px, 100%); background: #fff; border-radius: 14px;
  border: 1px solid var(--line); padding: 1.25rem 1.35rem;
  box-shadow: 0 18px 40px rgba(21,32,51,.18);
}
.help-card ul { margin: .75rem 0 1rem; padding-left: 1.1rem; }
.help-card kbd {
  font: 600 .78rem/1 "IBM Plex Sans", monospace;
  border: 1px solid var(--line); border-radius: 6px; padding: .15rem .35rem; background: #f4f6f9;
}

@media print {
  .topbar, .rail, .lex-bar, .top-actions, .toast, .help-modal, .no-print { display: none !important; }
  .body { display: block; }
  .panel { break-inside: avoid; box-shadow: none; }
}

.mobile-dock { display: none; }

@media (max-width: 860px) {
  .body { grid-template-columns: 1fr; }
  .rail { display: none; }
  .rail-note, .ctx-chip { display: none; }
  .top-search { max-width: none; }
  .briefing-mobile { display: block; }
  .lex-bar-inner input { font-size: 16px; } /* avoid iOS zoom */
  .mobile-dock {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: .15rem;
    position: sticky;
    bottom: 0;
    z-index: 30;
    background: #fff;
    border-top: 1px solid var(--line);
    padding: .35rem .25rem calc(.35rem + env(safe-area-inset-bottom, 0px));
  }
  .mobile-dock button {
    border: 0; background: transparent; font: inherit; font-size: .68rem;
    color: var(--muted); display: flex; flex-direction: column; align-items: center;
    gap: .15rem; padding: .35rem .1rem; cursor: pointer; border-radius: 8px;
  }
  .mobile-dock button span { font-size: 1rem; line-height: 1; color: var(--ink); }
  .mobile-dock button.active { color: var(--blue-deep); background: var(--blue-soft); font-weight: 600; }
  .view { padding-bottom: .5rem; }
  .lex-bar { margin-bottom: 0; }
}