/* ==========================================================
   Boot Journey - Shared Styles
   Beginner-friendly, mobile-first, accessible
   ========================================================== */

:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.09);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
  --line: rgba(255,255,255,0.14);

  /* Layer colors (consistent across pages) */
  --hw:   #f59e0b; /* hardware */
  --fw:   #60a5fa; /* firmware */
  --bl:   #a78bfa; /* boot loader */
  --k:    #34d399; /* kernel */
  --os:   #fb7185; /* OS */
  --user: #22c55e; /* user */
  --focus: #fde68a;
}

*{ box-sizing: border-box; }
html, body { margin:0; padding:0; }
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  background: radial-gradient(1200px 900px at 20% 10%, rgba(96,165,250,0.18), transparent 55%),
              radial-gradient(1100px 800px at 90% 20%, rgba(167,139,250,0.16), transparent 55%),
              radial-gradient(1200px 900px at 50% 90%, rgba(52,211,153,0.14), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a{ color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible{
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

.container{
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 18px 0 48px;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(10,16,30,0.65);
  border-bottom: 1px solid var(--line);
}

.topbar-inner{
  width: min(1100px, 92vw);
  margin: 0 auto;
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 12px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
}
.brand .logo{
  width: 36px;
  height: 36px;
  display:grid;
  place-items:center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  border-radius: 12px;
}

.nav{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content:flex-end;
}

.nav a{
  font-size: 13px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: 999px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
.nav a:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.22);
}
.nav a.active{
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.30);
}

.breadcrumb{
  font-size: 12.5px;
  color: var(--muted);
  margin: 14px 0 18px;
}
.breadcrumb a{ color: rgba(255,255,255,0.84); text-decoration: underline; text-decoration-thickness: 1px; }
.breadcrumb .sep{ opacity: 0.65; margin: 0 6px; }

.hero{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 14px;
  align-items: stretch;
  margin-top: 12px;
}
@media (max-width: 860px){
  .hero{ grid-template-columns: 1fr; }
}

.card{
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}

.h1{
  font-size: 26px;
  line-height: 1.2;
  margin: 0 0 8px;
}
.lead{
  margin: 0;
  color: var(--muted);
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
  margin-top: 14px;
}
.col-12{ grid-column: span 12; }
.col-8{ grid-column: span 8; }
.col-6{ grid-column: span 6; }
.col-4{ grid-column: span 4; }

@media (max-width: 860px){
  .col-8, .col-6, .col-4{ grid-column: span 12; }
}

.badges{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.badge{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
}
.badge b{ font-weight: 800; }

hr.sep{
  border: 0;
  border-top: 1px solid var(--line);
  margin: 14px 0;
}

.kicker{
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.72);
  margin: 0 0 6px;
}

.h2{
  font-size: 18px;
  margin: 0 0 8px;
}
.h3{
  font-size: 15px;
  margin: 0 0 6px;
  color: rgba(255,255,255,0.92);
}

.list{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,0.86);
}
.list li{ margin: 6px 0; }

.btnrow{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
button, .btn{
  cursor: pointer;
  font: inherit;
  color: var(--text);
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}
button:hover, .btn:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.26);
}
button.small, .btn.small{
  padding: 8px 10px;
  border-radius: 10px;
  font-size: 13px;
}

/* Roadmap */
.roadmap{
  display:flex;
  align-items:center;
  flex-wrap: wrap;
  gap: 10px;
}
.stage{
  flex: 1 1 160px;
  min-width: 160px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 12px;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
  position: relative;
  overflow: hidden;
}
.stage:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.28);
}
.stage .label{
  font-weight: 800;
  margin-top: 6px;
}
.stage .mini{
  font-size: 12.5px;
  color: var(--muted);
}
.stage .chip{
  position:absolute;
  top: 10px;
  right: 10px;
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
}

.arrow{
  opacity: 0.7;
  font-size: 18px;
  margin: 0 2px;
}

/* Color-coded layer tags */
.tag{
  display:inline-flex;
  align-items:center;
  gap: 6px;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  margin-right: 6px;
  margin-bottom: 6px;
}
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.5);
}
.dot.hw{ background: var(--hw); }
.dot.fw{ background: var(--fw); }
.dot.bl{ background: var(--bl); }
.dot.k{ background: var(--k); }
.dot.os{ background: var(--os); }
.dot.user{ background: var(--user); }

/* Click-to-expand blocks */
.expander{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
  overflow: hidden;
}
.expander summary{
  list-style: none;
  cursor: pointer;
  padding: 12px 12px;
  font-weight: 800;
  display:flex;
  align-items:center;
  justify-content: space-between;
}
.expander summary::-webkit-details-marker{ display:none; }
.expander .content{
  padding: 0 12px 12px;
  color: rgba(255,255,255,0.86);
}
.chev{
  opacity: 0.75;
  transition: transform 160ms ease;
}
details[open] .chev{ transform: rotate(180deg); }

/* Tables */
.table{
  width:100%;
  border-collapse: collapse;
  font-size: 13.5px;
  overflow:hidden;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.table th, .table td{
  padding: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  vertical-align: top;
}
.table th{
  text-align:left;
  background: rgba(255,255,255,0.07);
}
.table tr:last-child td{ border-bottom: 0; }

/* Diagrams */
.diagram{
  border: 1px dashed rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.03);
  border-radius: 16px;
  padding: 12px;
}
.diagram .hint{
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 8px;
}

.diagram-grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
}
.node{
  grid-column: span 4;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.05);
  border-radius: 14px;
  padding: 10px;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
  position: relative;
}
.node:hover{
  transform: translateY(-2px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.26);
}
.node .title{ font-weight: 900; }
.node .sub{ font-size: 12.5px; color: var(--muted); margin-top: 4px; }

@media (max-width: 860px){
  .node{ grid-column: span 12; }
}

.pop{
  margin-top: 10px;
  border: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
  border-radius: 14px;
  padding: 12px;
  display:none;
}
.pop.show{ display:block; }
.pop .pop-title{ font-weight: 900; margin-bottom: 6px; }
.pop .pop-text{ color: rgba(255,255,255,0.86); margin: 0; }

/* Tooltip */
.has-tip{
  border-bottom: 1px dotted rgba(255,255,255,0.55);
  cursor: help;
  position: relative;
}
.tip-bubble{
  position: fixed;
  z-index: 50;
  max-width: 280px;
  padding: 10px 10px;
  background: rgba(0,0,0,0.86);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.92);
  border-radius: 12px;
  font-size: 12.5px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
}
.tip-bubble.show{
  opacity: 1;
  transform: translateY(0);
}

/* Step player */
.stepper{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:center;
}
.stepbox{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: 14px;
  padding: 12px;
  min-height: 84px;
}
.stepbox .step-title{ font-weight: 900; margin: 0 0 6px; }
.stepbox .step-text{ margin: 0; color: rgba(255,255,255,0.86); }
.progress{
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.12);
  overflow:hidden;
}
.progress > div{
  height: 100%;
  width: 0%;
  background: rgba(255,255,255,0.70);
  transition: width 250ms ease;
}

/* Footer */
.footer{
  margin-top: 18px;
  color: rgba(255,255,255,0.66);
  font-size: 12.5px;
  text-align:center;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}
/* ==========================================================
   Windows Boot Timeline - Disk → RAM Visual Animation
   ========================================================== */

.bootviz{
  display:grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 12px;
  margin-top: 12px;
}
@media (max-width: 860px){
  .bootviz{ grid-template-columns: 1fr; }
}

.panel{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: 18px;
  padding: 12px;
  position: relative;
  overflow: hidden;
}

.panel-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.panel-head .title{
  font-weight: 900;
  font-size: 14.5px;
}
.panel-head .mini{
  font-size: 12px;
  color: var(--muted);
}

.disk{
  display:grid;
  gap: 10px;
}

.partition{
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.22);
  border-radius: 16px;
  padding: 10px;
  position: relative;
  min-height: 120px;
}

.partition.active{
  border-color: rgba(255,255,255,0.34);
  background: rgba(255,255,255,0.07);
}

.part-top{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.part-name{
  font-weight: 900;
}
.part-sub{
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}
.part-tag{
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.28);
  white-space: nowrap;
}

.filelist{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.filecard{
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  display:inline-flex;
  align-items:center;
  gap: 8px;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
  user-select: none;
}

.filecard:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.28);
}

.filebadge{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.5);
}
.filebadge.esp{ background: var(--fw); }
.filebadge.win{ background: var(--os); }
.filebadge.ram{ background: var(--k); }

.ram{
  min-height: 260px;
}

.ram-zone{
  border: 1px dashed rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.03);
  border-radius: 16px;
  padding: 10px;
  min-height: 170px;
  position: relative;
}

.ram-title{
  font-weight: 900;
  margin-bottom: 8px;
}

.ramlist{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ramhint{
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 10px;
}

.fly-layer{
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Flying animation element */
.fly{
  position: absolute;
  padding: 7px 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.20);
  background: rgba(0,0,0,0.72);
  color: rgba(255,255,255,0.92);
  font-size: 12px;
  display:flex;
  align-items:center;
  gap: 8px;
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
  transform: translate3d(0,0,0);
  opacity: 0;
}

.fly.show{
  opacity: 1;
  transition: transform 720ms ease, opacity 160ms ease;
}

/* Timeline container (works with the earlier timeline styles too) */
.timeline{
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  border-radius: 18px;
  padding: 14px;
}

/* Extra small legend */
.legend{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.legend .pill{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.22);
}
/* ==========================================================
   Upgrades for Windows Boot Timeline:
   - Secure Boot + TPM indicators
   - Control owner arrow/pill
   - Modal popups (replaces alert)
   ========================================================== */

/* Indicator strip */
.indicators{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.ind{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.22);
}

.light{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.20);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: none;
}

.light.on{
  background: rgba(255,255,255,0.92);
  box-shadow: 0 0 0 4px rgba(255,255,255,0.12);
}

/* Make Secure Boot and TPM visually distinct when ON */
.light.sb.on{ background: rgba(96,165,250,0.95); box-shadow: 0 0 0 4px rgba(96,165,250,0.20); }
.light.tpm.on{ background: rgba(245,158,11,0.95); box-shadow: 0 0 0 4px rgba(245,158,11,0.20); }

/* Control owner */
.control-pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.22);
}

.ctrl-badge{
  width: 26px;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.08);
  display:grid;
  place-items:center;
  font-size: 12px;
}

/* Modal (accessible, beginner-friendly) */
.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.62);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 100;
}

.modal-overlay.show{ display:flex; }

.modal{
  width: min(560px, 96vw);
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(10,16,30,0.92);
  border-radius: 18px;
  box-shadow: 0 22px 55px rgba(0,0,0,0.55);
  overflow: hidden;
}

.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.modal-title{
  font-weight: 900;
  margin: 0;
  font-size: 15.5px;
}

.modal-body{
  padding: 12px 14px 14px;
  color: rgba(255,255,255,0.86);
}

.modal-close{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.06);
  cursor:pointer;
  color: rgba(255,255,255,0.90);
}
.modal-close:hover{
  background: rgba(255,255,255,0.10);
  border-color: rgba(255,255,255,0.28);
}
/* ==========================================================
   Modal mini diagram + "Where it lives" line
   ========================================================== */
.where{
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  font-size: 12.5px;
  color: rgba(255,255,255,0.88);
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.where b{ font-weight: 900; }

.wtag{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.26);
}

.mini-diagram{
  margin-top: 10px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(0,0,0,0.24);
  padding: 12px;
}

.mini-row{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}

.node{
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  padding: 8px 10px;
  border-radius: 14px;
  font-size: 12.5px;
  display:flex;
  align-items:center;
  gap: 8px;
}

.node .n-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.4);
}
.node.esp .n-dot{ background: var(--fw); }
.node.win .n-dot{ background: var(--os); }
.node.ram .n-dot{ background: var(--k); }
.node.uefi .n-dot{ background: rgba(96,165,250,0.95); }

.arrow{
  color: rgba(255,255,255,0.75);
  font-weight: 900;
  font-size: 14px;
}

.mini-caption{
  margin-top: 10px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.4;
}