:root {
  --bg:       #060b18;
  --bg2:      #23133a;
  --bg3:      #23133a;
  --bg4:      #1f1232;
  --border:   #3a1c63;
  --border2:  #5e309d;
  --cyan:     #883CF0;
  --cyan-dim: #2a1647;
  --cyan-glow:#3a1c63;
  --cyan-glow2:#5e309d;
  --red:      #ff3b5c;
  --red-glow: #dc143c2b;
  --green:    #00e5a0;
  --green-glow:#77b25520;
  --amber:    #c041f5;
  --amber-glow:rgba(255,176,32,0.10);
  --purple:   #9b7ffd;
  --text:     #e8fbfd;
  --text2:    #d3dadb;
  --text3:    #e2e8f0;
  --text4:    #f8fafc;
}

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

html { scroll-behavior: smooth; }

.privilege-manager-guide {
  background: #191127;
  color: var(--text);
  font-size: 15px;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
}

/* ── Noise texture overlay ── */
.privilege-manager-guide::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; z-index: 1; opacity: 0.6;
}

/* ── Layout ── */
.shell { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
  width: 260px; min-width: 260px;
  background: #180f26;
  border-right: 1px solid var(--border);
  position: sticky; top: 0; left: 0; bottom: 0;
  overflow-y: auto; z-index: 1;
  display: flex; flex-direction: column;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

.sb-brand {
  padding: 28px 24px 22px;
  border-bottom: 1px solid var(--border);
}

.sb-wordmark {
  font-size: 20px;
  font-weight: 900;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 4px;
}

.sb-wordmark em { color: var(--cyan); font-style: italic; }

.sb-tagline {
  font-size: 10px;
  color: var(--text3);
  text-transform: uppercase;
}

/* Completion ring */
.sb-progress {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px;
}

.ring-wrap { position: relative; width: 44px; height: 44px; flex-shrink: 0; }
.ring-svg { transform: rotate(-90deg); }
.ring-track { fill: none; stroke:#282035; stroke-width: 3; }
.ring-fill { fill: none; stroke: var(--cyan); stroke-width: 3; stroke-linecap: round;
  stroke-dasharray: 120; stroke-dashoffset: 120; transition: stroke-dashoffset 0.6s ease; }
.ring-pct {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: var(--cyan);
}

.progress-text { flex: 1; }
.progress-label { font-size: 11px; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.progress-sub { font-size: 10px; color: var(--text3);}

/* Nav */
.privilege-manager-guide nav { padding: 10px 0; flex: 1; }

.nav-group { margin-bottom: 4px; }

.nav-group-label {
  font-size: 9px; font-weight: 500;
  text-transform: uppercase;
  color: var(--text4); padding: 10px 24px 4px;
}

.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 24px;
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.15s;
  color: var(--text3); font-size: 13px; font-weight: 400;
  user-select: none;
}

.nav-link:hover { color: var(--text); background: #23133a9f; }
.nav-link.active { color: var(--cyan); border-left-color: var(--cyan); background: var(--cyan-glow); font-weight: 500; }

.nav-idx {
  font-size: 9px; color: var(--text4);
  min-width: 20px;
}
.nav-link.active .nav-idx { color: #883CF0; }

.nav-dot {
  width: 16px; height: 16px; border-radius: 50%;
  border: 1px solid var(--border2);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; flex-shrink: 0;
  transition: all 0.2s;
}
.nav-dot.done { background: var(--green); border-color: var(--green); color: #000; font-size: 8px; font-weight: 700; }

/* ── Main ── */
.main {
   flex: 1; 
   height: 100vh;
   overflow-y: auto;
  }

/* Top strip */
.topstrip {
  background: #180f26; border-bottom: 1px solid var(--border);
  padding: 10px 48px; display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 1;
}

.crumb {
   font-size: 11px; color: var(--text3);
  display: flex; align-items: center; gap: 8px;
}
.crumb-cur { color: var(--cyan); }

.strip-pills { display: flex; gap: 8px; }

.spill {
   font-size: 10px; padding: 3px 10px; border-radius: 20px;
   font-weight: 500;
}

.spill-c { background: var(--cyan-glow); border: 1px solid var(--cyan-dim); color: var(--cyan); }
.spill-r { background: var(--red-glow); border: 1px solid rgba(255,59,92,.4); color: var(--red); }
.spill-g { background: var(--green-glow); border: 1px solid rgba(0,229,160,.3); color: var(--green); }
.spill-a { background: var(--amber-glow); border: 1px solid rgba(255,176,32,.3); color: var(--amber); }

/* ── Page ── */
.privilege-manager-guide .page { display: none; padding: 52px 48px 80px; max-width: 940px; animation: rise .3s ease; }
.privilege-manager-guide .page.active { display: block; }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Module header ── */
.mod-num {
  font-size: 96px; font-weight: 900; line-height: 1;
  color: var(--border2);
  margin-bottom: -16px; margin-left: -4px;
  transition: color 0.3s;
  user-select: none;
}

.page.active .mod-num { color: var(--bg4); }

.mod-tag {
  font-size: 10px; font-weight: 500;
  text-transform: uppercase;
  color: var(--cyan); margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
}
.mod-tag::before { content: '//'; opacity: .5; }

.mod-title {
  font-size: clamp(28px, 4vw, 40px); font-weight: 700;
  line-height: 1.15; color: var(--text);
  margin-bottom: 16px;
}

.mod-title em { color: var(--cyan); font-style: italic; }

.mod-intro {
  font-size: 15px; color: var(--text2); line-height: 1.8;
  max-width: 680px; margin-bottom: 40px;
  border-left: 2px solid var(--border2); padding-left: 20px;
}

/* ── Rule ── */
.rule { height: 1px; background: var(--border); margin: 32px 0; }
.rule-label {
  display: flex; align-items: center; gap: 12px; font-size: 10px; color: var(--text3);
  text-transform: uppercase;
  margin-bottom: 20px; margin-top: 32px;
}
.rule-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── Stat row ── */
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 36px; }

.stat-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 20px 22px; position: relative; overflow: hidden;
  transition: border-color .2s, transform .2s;
}
.stat-card:hover { border-color: var(--border2); transform: translateY(-2px); }

.stat-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--cyan); opacity: 0;
  transition: opacity .2s;
}
.stat-card:hover::after { opacity: 1; }
.stat-card.r::after { background: var(--red); }
.stat-card.g::after { background: var(--green); }
.stat-card.a::after { background: var(--amber); }

.stat-val {
  font-size: 36px; font-weight: 900;
  line-height: 1; margin-bottom: 4px;
}
.stat-val.c { color: var(--cyan); }
.stat-val.r { color: var(--red); }
.stat-val.g { color: var(--green); }
.stat-val.a { color: var(--amber); }

.stat-lbl { font-size: 12px; color: var(--text2); font-weight: 500; margin-bottom: 4px; }
.stat-src { font-size: 9px; color: var(--text3); }

/* ── Concept cards (4-grid) ── */
.concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 32px; }

.concept-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; padding: 28px; cursor: pointer;
  transition: all .2s; position: relative; overflow: hidden;
}

.concept-card:hover { border-color: var(--border2); transform: translateY(-3px); }
.concept-card.active-card { border-color: var(--cyan); }
.concept-card.active-card .cc-icon { color: var(--cyan); }

.cc-icon { font-size: 28px; margin-bottom: 14px; display: block; transition: color .2s; }
.cc-name {
  font-size: 18px; font-weight: 700;
  color: var(--text); margin-bottom: 6px; line-height: 1.2;
}
.cc-brief { font-size: 13px; color: var(--text2); line-height: 1.6; }

.cc-detail {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text2); line-height: 1.7;
  display: none; animation: rise .2s ease;
}

.concept-card.active-card .cc-detail { display: block; }

.cc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }

/* ── OS tabs ── */
.os-tabs { display: flex; gap: 0; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; margin-bottom: 24px; }

.os-tab {
  flex: 1; padding: 12px 16px; cursor: pointer; text-align: center;
  font-size: 12px; font-weight: 500;
  color: var(--text3); border-right: 1px solid var(--border);
  transition: all .15s; display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--bg3);
}
.os-tab:last-child { border-right: none; }
.os-tab:hover { background: var(--bg4); color: var(--text); }
.os-tab.active { background: var(--cyan-glow); color: var(--cyan); }

.os-panel { display: none; animation: rise .2s ease; }
.os-panel.active { display: block; }

/* ── Info card ── */
.info-card {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 24px 28px; margin-bottom: 20px;
  position: relative; overflow: hidden;
}

.info-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 3px; height: 100%;
}
.info-card.c::before { background: var(--cyan); }
.info-card.r::before { background: var(--red); }
.info-card.g::before { background: var(--green); }
.info-card.a::before { background: var(--amber); }
.info-card.p::before { background: var(--purple); }

.ic-title {
  font-size: 16px; font-weight: 700;
  color: var(--text); margin-bottom: 6px; display: flex; align-items: center; gap: 10px;
}
.ic-body { font-size: 13px; color: var(--text2); line-height: 1.75; }

/* ── Alert ── */
.alert {
  border-radius: 6px; padding: 16px 20px; margin: 20px 0;
  display: flex; gap: 14px; font-size: 13px; line-height: 1.7;
}
.alert-icon { font-size: 18px; flex-shrink: 0; padding-top: 1px; }
.alert-body strong { display: block; font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.alert.c { background: var(--cyan-glow); border: 1px solid var(--cyan-dim); }
.alert.c .alert-icon { color: var(--cyan); }
.alert.r { background: var(--red-glow); border: 1px solid rgba(255,59,92,.35); }
.alert.r .alert-icon { color: var(--red); }
.alert.g { background: var(--green-glow); border: 1px solid rgba(0,229,160,.3); }
.alert.g .alert-icon { color: var(--green); }
.alert.a { background: var(--amber-glow); border: 1px solid rgba(255,176,32,.3); }
.alert.a .alert-icon { color: var(--amber); }

/* ── Policy flow diagram ── */
.flow-wrap {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 32px; margin: 24px 0;
  overflow-x: auto;
}

.flow { display: flex; align-items: center; gap: 0; flex-wrap: nowrap; min-width: 640px; }

.flow-node {
  background: var(--bg3); border: 1px solid var(--border2);
  border-radius: 6px; padding: 12px 16px; text-align: center;
  font-size: 12px; font-weight: 500; color: var(--text); flex-shrink: 0;
  min-width: 110px; transition: all .2s; cursor: default;
}
.flow-node:hover { border-color: var(--cyan); color: var(--cyan); }
.flow-node.start { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-glow); font-weight: 600; }
.flow-node.end-a { border-color: var(--green); background: var(--green-glow); color: var(--green); font-weight: 600; }
.flow-node.end-b { border-color: var(--red); background: var(--red-glow); color: var(--red); font-weight: 600; }
.flow-node.end-c { border-color: var(--amber); background: var(--amber-glow); color: var(--amber); font-weight: 600; }
.flow-node.diamond { border-radius: 0; transform: rotate(45deg); width: 80px; height: 80px; display: flex; align-items: center; justify-content: center; padding: 0; min-width: unset; }
.flow-node.diamond span { transform: rotate(-45deg); font-size: 11px; line-height: 1.3; }

.flow-arrow {
  flex-shrink: 0; width: 32px; height: 2px; background: var(--border2);
  position: relative; margin: 0 -1px;
}
.flow-arrow::after {
  content: ''; position: absolute; right: -1px; top: -4px;
  border: 5px solid transparent; border-left-color: var(--border2);
}

.flow-label {
  font-size: 9px; color: var(--text3);
  text-align: center; margin-top: 6px;
}

/* ── Code block ── */
.code-block {
  background: #030710; border: 1px solid var(--border);
  border-radius: 6px; padding: 20px 22px;
  font-size: 12px; color: #a8d8a8; line-height: 1.7; margin: 16px 0;
  position: relative; overflow-x: auto;
}
.code-block .c { color: var(--text3); }
.code-block .k { color: var(--cyan); }
.code-block .s { color: var(--purple); }
.code-block .v { color: var(--amber); }
.code-block .p { color: var(--text); }

.cb-label {
  position: absolute; top: 10px; right: 14px;
  font-size: 9px; color: var(--text3); text-transform: uppercase;
}

/* ── Copy btn ── */
.copy-btn {
  font-size: 9px; padding: 3px 9px; border-radius: 3px;
  background: var(--bg4); border: 1px solid var(--border2); color: var(--text3);
  cursor: pointer; transition: all .15s; text-transform: uppercase;
}
.copy-btn:hover { color: var(--cyan); border-color: var(--cyan-dim); }
.copy-btn.ok { color: var(--green); border-color: #3a1c63; }

/* ── Two-col grid ── */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

/* ── Attack path vis ── */
.attack-vis {
  background: var(--bg2); border: 1px solid var(--border); border-radius: 8px;
  padding: 28px; margin: 24px 0;
}

.av-title {
  font-size: 10px; color: var(--text3);
  text-transform: uppercase; margin-bottom: 20px;
}

.av-path {
  display: flex; align-items: stretch; gap: 0; margin-bottom: 18px;
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
}

.av-step {
  flex: 1; padding: 14px 16px; background: var(--bg3);
  border-right: 1px solid var(--border); position: relative;
  transition: background .2s;
}
.av-step:last-child { border-right: none; }

.av-step-num {
  font-size: 9px; color: var(--text4);
  margin-bottom: 4px;
}
.av-step-title { font-size: 12px; font-weight: 600; color: var(--text2); margin-bottom: 2px; }
.av-step-detail { font-size: 11px; color: var(--text3); line-height: 1.5; }

.av-path.danger .av-step { background: #dc143c12; }
.av-path.danger .av-step-num { color: var(--red); }
.av-path.danger .av-step-title { color: var(--red); }

.av-path.safe .av-step { background: #77b2550b; }
.av-path.safe .av-step-num { color: var(--green); }
.av-path.safe .av-step-title { color: var(--green); }

.av-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; margin-bottom: 10px;
}
.av-label.d { color: var(--red); }
.av-label.s { color: var(--green); }
.av-label.d::before { content: '✕'; }
.av-label.s::before { content: '✓'; }

/* ── Checklist ── */
.checklist { list-style: none; }
.checklist li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background .1s;
}
.checklist li:last-child { border-bottom: none; }
.checklist li:hover { background: var(--cyan-glow2); margin: 0 -8px; padding-left: 8px; padding-right: 8px; }

.chk {
  width: 20px; height: 20px; border-radius: 4px;
  border: 1px solid var(--border2); flex-shrink: 0; margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; transition: all .2s;
}
.checklist li.done .chk { background: var(--green); border-color: var(--green); color: #000; }
.checklist li.done .chk-main { color: var(--text3); text-decoration: line-through; text-decoration-color: rgba(0,229,160,.5); }

.chk-main { font-size: 13px; font-weight: 500; color: var(--text); display: block; }
.chk-sub { font-size: 12px; color: var(--text3); line-height: 1.5; }

/* ── Quiz ── */
.quiz-q {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 8px; padding: 28px; margin-bottom: 20px;
}

.q-num {  font-size: 10px; color: var(--text3);  margin-bottom: 8px; }
.q-text { font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 20px; line-height: 1.4; }

.q-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.q-opt {
  padding: 12px 16px; border: 1px solid var(--border2); border-radius: 6px;
  cursor: pointer; font-size: 13px; color: var(--text2); transition: all .15s;
  background: var(--bg2);
}
.q-opt:hover:not(.locked) { border-color: var(--cyan); color: var(--text); background: var(--cyan-glow); }
.q-opt.correct { border-color: var(--green); background: var(--green-glow); color: var(--green); }
.q-opt.wrong   { border-color: var(--red);   background: var(--red-glow);   color: var(--red);   }
.q-opt.locked  { cursor: default; }

.q-explain {
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text2); line-height: 1.7; display: none; animation: rise .2s;
}
.q-explain.show { display: block; }
.q-explain .label { font-weight: 700; margin-right: 6px; }
.correct-lbl { color: var(--green); }
.wrong-lbl   { color: var(--red); }

/* ── Quiz score ── */
.quiz-score {
  background: var(--bg3); border: 1px solid var(--border); border-radius: 8px;
  padding: 32px; text-align: center; display: none; margin-top: 20px;
}
.qs-num { font-size: 64px; font-weight: 900; color: var(--cyan); line-height: 1; }
.qs-label { font-size: 14px; color: var(--text2); margin-top: 8px; }
.qs-msg { font-size: 13px; color: var(--text3); margin-top: 12px; max-width: 400px; margin-left: auto; margin-right: auto; }

/* ── Comparison table ── */
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13px; }
th {
  text-align: left; padding: 10px 14px;
  background: var(--bg4); border: 1px solid var(--border);
   font-size: 10px;
  text-transform: uppercase; color: var(--cyan); font-weight: 500;
}
td { padding: 11px 14px; border: 1px solid var(--border); color: var(--text2); vertical-align: top; line-height: 1.5; }
tr:hover td { background: var(--bg3); color: var(--text); }

/* ── Tags ── */
.tag {
  display: inline-block; font-size: 9px; font-weight: 500;
  padding: 2px 8px; border-radius: 12px; text-transform: uppercase;
}
.tag.c { background: var(--cyan-glow); border: 1px solid var(--cyan-dim); color: var(--cyan); }
.tag.r { background: var(--red-glow); border: 1px solid rgba(255,59,92,.4); color: var(--red); }
.tag.g { background: var(--green-glow); border: 1px solid rgba(0,229,160,.3); color: var(--green); }
.tag.a { background: var(--amber-glow); border: 1px solid rgba(255,176,32,.3); color: var(--amber); }
.tag.p { background: rgba(155,127,253,.1); border: 1px solid rgba(155,127,253,.3); color: var(--purple); }

/* ── Bullets ── */
ul.bl { list-style: none; padding: 0; }
ul.bl li { padding: 4px 0 4px 20px; position: relative; font-size: 13px; color: var(--text2); line-height: 1.65; }
ul.bl li::before { content: '→'; position: absolute; left: 0; color: var(--cyan); font-size: 12px; }

/* ── Nav buttons ── */
.nav-btns { display: flex; gap: 12px; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); }

.btn {
  font-size: 11px; font-weight: 500;
  padding: 11px 22px; border-radius: 6px; cursor: pointer;
  text-transform: uppercase; transition: all .15s;
  border: 1px solid transparent;
}
.btn-primary { background: var(--cyan); color: var(--bg); border-color: var(--cyan); }
.btn-primary:hover { background: #883cf0e0; }
.btn-secondary { background: transparent; color: var(--text3); border-color: var(--border2); }
.btn-secondary:hover { color: var(--text); border-color: var(--border2); }

/* ── Separator ── */
.sep { height: 1px; background: linear-gradient(90deg, var(--border), transparent); margin: 28px 0; }

h3 { font-size: 20px; font-weight: 700; color: var(--text); margin-bottom: 12px; margin-top: 28px; }
h3:first-child { margin-top: 0; }
p { font-size: 13px; color: var(--text2); line-height: 1.8; margin-bottom: 14px; }

/* ── Elevation dialog mockup ── */
.ui-mock {
  background: #0d1829; border: 1px solid var(--border2); border-radius: 10px;
  padding: 0; overflow: hidden; margin: 24px 0;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  max-width: 480px;
}
.ui-mock-bar {
  background: var(--bg4); padding: 12px 18px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 8px;
}
.ui-dot { width: 10px; height: 10px; border-radius: 50%; }
.ui-d-r { background: var(--red); } .ui-d-a { background: var(--amber); } .ui-d-g { background: var(--green); }
.ui-mock-title {  font-size: 11px; color: var(--text3); margin-left: 4px; }
.ui-mock-body { padding: 24px 22px; background-color:#1f1232;}
.ui-app-row { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.ui-app-icon { width: 40px; height: 40px; border-radius: 8px; background: var(--bg4); border: 1px solid var(--border2); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.ui-app-name { font-size: 14px; font-weight: 600; color: var(--text); }
.ui-app-path { font-size: 10px; color: var(--text3); }
.ui-message { font-size: 12px; color: var(--text2); line-height: 1.6; margin-bottom: 18px; background: var(--bg3); padding: 12px; border-radius: 5px; border: 1px solid var(--border); }
.ui-reason { margin-bottom: 16px; }
.ui-reason label {  font-size: 10px; color: var(--text3); text-transform: uppercase; display: block; margin-bottom: 6px; }
.ui-reason select { width: 100%; background: var(--bg3); border: 1px solid var(--border2); color: var(--text); font-size: 12px; padding: 8px 12px; border-radius: 5px; outline: none; }
.ui-btns { display: flex; gap: 10px; }
.ui-btn { flex: 1; padding: 10px; border-radius: 5px; font-size: 11px; font-weight: 600; cursor: pointer; text-align: center; text-transform: uppercase; }
.ui-btn-cancel { background: var(--bg4); border: 1px solid var(--border2); color: var(--text3); }
.ui-btn-confirm { background: var(--cyan); border: 1px solid var(--cyan); color: var(--bg); }

/* scrollbar */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: #873cf015; }
::-webkit-scrollbar-thumb { background: #873cf015; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #873cf015; }

@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); display: none; }
  .main { margin-left: 0; }
  .privilege-manager-guide .page { padding: 32px 20px 60px; }
  .topstrip { padding: 10px 20px; }
  .concept-grid, .grid2, .grid3, .stat-row { grid-template-columns: 1fr; }
  .q-opts { grid-template-columns: 1fr; }
  .mod-num { font-size: 60px; }
}

@media (max-width: 767px){
  .topstrip{
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    height: auto;
  }
}