@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&display=swap');

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

:root {
  --navy:        #0F1E35;
  --navy-mid:    #162640;
  --navy-light:  #1E3556;
  --blue:        #2563EB;
  --blue-bright: #3B82F6;
  --blue-pale:   #EFF6FF;
  --blue-border: #BFDBFE;
  --teal:        #0D9488;
  --teal-pale:   #F0FDFA;
  --amber:       #D97706;
  --amber-pale:  #FFFBEB;
  --amber-border:#FDE68A;
  --red:         #DC2626;
  --red-pale:    #FEF2F2;
  --red-border:  #FECACA;
  --green:       #16A34A;
  --green-pale:  #F0FDF4;
  --green-border:#BBF7D0;
  --purple:      #7C3AED;
  --purple-pale: #F5F3FF;
  --purple-border:#DDD6FE;
  --text:        #111827;
  --text-mid:    #374151;
  --text-soft:   #6B7280;
  --text-light:  #9CA3AF;
  --border:      #E5E7EB;
  --surface:     #F9FAFB;
  --white:       #FFFFFF;
  --sidebar-w:   280px;
  --header-h:    60px;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:      0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:   0 10px 30px rgba(0,0,0,.14);
  --font-head:   'IBM Plex Sans', sans-serif;
  --font-body:   'IBM Plex Sans', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--surface);
  display: flex;
  min-height: 100vh;
  line-height: 1.65;
}

/* ── SIDEBAR ── */
#sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  z-index: 100;
  transition: transform .3s cubic-bezier(.4,0,.2,1);
}

.sidebar-logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-logo .logo-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 4px;
}
.sidebar-logo .logo-title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}
.sidebar-logo .logo-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 8px;
  background: var(--blue);
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: .04em;
}

.sidebar-rule {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
  padding: 20px 20px 8px;
}

nav { flex: 1; padding: 0 10px 20px; overflow-y: auto; }

nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: rgba(255,255,255,.6);
  font-size: 13.5px;
  font-weight: 400;
  transition: all .2s;
  margin-bottom: 2px;
  line-height: 1.3;
}
nav a .nav-num {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  color: rgba(255,255,255,.25);
  min-width: 18px;
}
nav a:hover {
  background: rgba(255,255,255,.07);
  color: var(--white);
}
nav a.active {
  background: var(--blue);
  color: var(--white);
  font-weight: 500;
}
nav a.active .nav-num { color: rgba(255,255,255,.6); }

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 11.5px;
  color: rgba(255,255,255,.3);
  line-height: 1.5;
}
.sidebar-footer strong { color: rgba(255,255,255,.5); display: block; margin-bottom: 2px; }

/* ── MAIN ── */
#main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── TOPBAR ── */
#topbar {
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 12px;
}
#topbar .breadcrumb {
  font-size: 13px;
  color: var(--text-soft);
}
#topbar .breadcrumb span {
  color: var(--text);
  font-weight: 500;
}
#topbar .topbar-actions { margin-left: auto; display: flex; gap: 8px; }
#hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-mid);
}

/* ── PAGE CONTENT ── */
#content {
  flex: 1;
  padding: 40px 48px 80px;
  max-width: 900px;
}

.page-header {
  margin-bottom: 36px;
}
.page-header .section-label {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-header .section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--blue-border);
  max-width: 60px;
}
.page-header h1 {
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 10px;
}
.page-header .subtitle {
  font-size: 17px;
  color: var(--text-soft);
  font-weight: 300;
  max-width: 600px;
}

/* ── TYPOGRAPHY ── */
h2 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin: 36px 0 12px;
}
h3 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-light);
  margin: 24px 0 8px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
p {
  font-size: 15px;
  color: var(--text-mid);
  margin-bottom: 14px;
  max-width: 680px;
}
ul, ol {
  padding-left: 20px;
  margin-bottom: 16px;
}
li {
  font-size: 15px;
  color: var(--text-mid);
  margin-bottom: 6px;
  max-width: 660px;
}
strong { color: var(--text); font-weight: 600; }

/* ── CALLOUT ── */
.callout {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}
.callout-head {
  padding: 12px 18px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.callout-body {
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.7;
}
.callout-body p { margin: 0; max-width: none; font-size: 14.5px; }
.callout-body ul { margin: 8px 0 0; }
.callout-body li { font-size: 14.5px; max-width: none; }

.callout.blue .callout-head { background: var(--blue); color: var(--white); }
.callout.blue .callout-body { background: var(--blue-pale); color: var(--navy); border: 1px solid var(--blue-border); border-top: none; }
.callout.green .callout-head { background: var(--green); color: var(--white); }
.callout.green .callout-body { background: var(--green-pale); color: #14532D; border: 1px solid var(--green-border); border-top: none; }
.callout.amber .callout-head { background: var(--amber); color: var(--white); }
.callout.amber .callout-body { background: var(--amber-pale); color: #78350F; border: 1px solid var(--amber-border); border-top: none; }
.callout.red .callout-head { background: var(--red); color: var(--white); }
.callout.red .callout-body { background: var(--red-pale); color: #7F1D1D; border: 1px solid var(--red-border); border-top: none; }
.callout.navy .callout-head { background: var(--navy); color: var(--white); }
.callout.navy .callout-body { background: #F0F4F8; color: var(--navy); border: 1px solid #CBD5E1; border-top: none; }

/* ── CARD GRID ── */
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.card-grid.cols-1 { grid-template-columns: 1fr; }
.card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.card-icon {
  font-size: 24px;
  margin-bottom: 10px;
}
.card h3 { margin: 0 0 6px; font-size: 14px; }
.card p { font-size: 13.5px; margin: 0; }

/* ── TABLE ── */
.tbl-wrap { overflow-x: auto; margin: 20px 0; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 14px;
}
thead tr { background: var(--navy); }
thead th {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255,255,255,.85);
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface); }
tbody td { padding: 11px 14px; color: var(--text-mid); vertical-align: top; line-height: 1.5; }
tbody td:first-child { font-weight: 600; color: var(--text); white-space: nowrap; }
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.badge.blue   { background: var(--blue-pale);   color: var(--blue); border: 1px solid var(--blue-border); }
.badge.green  { background: var(--green-pale);  color: var(--green); border: 1px solid var(--green-border); }
.badge.amber  { background: var(--amber-pale);  color: var(--amber); border: 1px solid var(--amber-border); }
.badge.red    { background: var(--red-pale);    color: var(--red); border: 1px solid var(--red-border); }
.badge.purple { background: var(--purple-pale); color: var(--purple); border: 1px solid var(--purple-border); }
.badge.navy   { background: #E8EDF4; color: var(--navy); border: 1px solid #C8D4E4; }

/* ── PHASE BLOCK ── */
.phase-block {
  border-radius: var(--radius);
  overflow: hidden;
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
}
.phase-head {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.phase-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.phase-head-text { flex: 1; }
.phase-head-text .phase-name {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
.phase-head-text .phase-desc {
  font-size: 12.5px;
  color: rgba(255,255,255,.7);
  margin-top: 2px;
}
.phase-body {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: none;
}
.phase-step {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.phase-step:last-child { border-bottom: none; }
.phase-step-cell {
  padding: 12px 16px;
  font-size: 13.5px;
  color: var(--text-mid);
  line-height: 1.5;
  border-right: 1px solid var(--border);
}
.phase-step-cell:last-child { border-right: none; }
.phase-step-cell.who {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-soft);
  display: flex;
  align-items: center;
}
.phase-step-hdr {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.phase-step-hdr div {
  padding: 8px 16px;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-soft);
  border-right: 1px solid var(--border);
}
.phase-step-hdr div:last-child { border-right: none; }

.phase-block.blue .phase-head  { background: var(--blue); }
.phase-block.green .phase-head { background: var(--green); }
.phase-block.amber .phase-head { background: var(--amber); }
.phase-block.purple .phase-head { background: var(--purple); }

/* ── ROLE CARD ── */
.role-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.role-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.role-card-head {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.role-avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}
.role-card-head .role-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.role-card-body { padding: 16px 20px; }
.role-card-body h4 {
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-soft);
  margin-bottom: 8px;
  margin-top: 12px;
}
.role-card-body h4:first-child { margin-top: 0; }
.role-card-body ul { padding-left: 16px; margin: 0; }
.role-card-body li { font-size: 13px; margin-bottom: 5px; max-width: none; }
.role-card-body .never-list li { color: var(--red); }

.role-card.blue .role-card-head  { background: var(--blue); }
.role-card.green .role-card-head { background: var(--green); }
.role-card.amber .role-card-head { background: var(--amber); }
.role-card.purple .role-card-head{ background: var(--purple); }

/* ── SCAN CARDS ── */
.scan-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.scan-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.scan-card-num {
  padding: 12px 18px;
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.scan-card-num span {
  font-size: 13px;
  font-weight: 600;
  opacity: .8;
}
.scan-card.scan1 .scan-card-num { background: var(--blue); }
.scan-card.scan2 .scan-card-num { background: var(--teal); }
.scan-card-body { padding: 16px 18px; border: 1px solid var(--border); border-top: none; border-radius: 0 0 var(--radius) var(--radius); }
.scan-card-body dl { display: grid; grid-template-columns: 70px 1fr; gap: 6px 10px; font-size: 13px; }
.scan-card-body dt { font-weight: 600; color: var(--text-soft); }
.scan-card-body dd { color: var(--text-mid); }

/* ── JOURNEY ── */
.journey { position: relative; margin: 24px 0; }
.journey-step {
  display: flex;
  gap: 16px;
  margin-bottom: 0;
  position: relative;
}
.journey-step::before {
  content: '';
  position: absolute;
  left: 19px; top: 40px;
  width: 2px;
  height: calc(100% + 0px);
  background: var(--border);
}
.journey-step:last-child::before { display: none; }
.journey-dot {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
  z-index: 1;
  position: relative;
  margin-bottom: 16px;
}
.journey-dot.machine  { background: var(--blue); }
.journey-dot.warehouse{ background: var(--teal); }
.journey-dot.dispatch { background: var(--amber); }
.journey-dot.shipped  { background: var(--green); }
.journey-content {
  flex: 1;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.journey-content .j-location {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.journey-content .j-meta {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-bottom: 8px;
}
.journey-content .j-records {
  font-size: 13px;
  color: var(--text-soft);
  padding-top: 8px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

/* ── DATA MODEL ── */
.db-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 20px 0; }
.db-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.db-card-head {
  background: var(--navy-mid);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.db-card-head .db-icon { font-size: 18px; }
.db-card-head .db-name {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}
.db-card-body { padding: 14px 16px; }
.db-card-body p { font-size: 13px; color: var(--text-soft); margin-bottom: 10px; max-width: none; }
.db-fields {
  display: flex; flex-wrap: wrap; gap: 5px;
}
.db-field {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  color: var(--text-mid);
}

/* ── HARDWARE ── */
.hw-grid { display: grid; gap: 12px; margin: 20px 0; }
.hw-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 20px;
  box-shadow: var(--shadow-sm);
}
.hw-card .hw-name {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
  grid-column: 1;
}
.hw-card .hw-cost {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  text-align: right;
  white-space: nowrap;
}
.hw-card .hw-location {
  font-size: 12px;
  color: var(--text-soft);
  grid-column: 1;
}
.hw-card .hw-purpose {
  font-size: 13.5px;
  color: var(--text-mid);
  grid-column: 1 / 3;
  margin-top: 4px;
}
.hw-card.required { border-left: 3px solid var(--blue); }
.hw-card.optional { border-left: 3px solid var(--border); }

/* ── NEXT STEPS ── */
.decision-list { display: grid; gap: 12px; margin: 20px 0; }
.decision-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 6px 16px;
  box-shadow: var(--shadow-sm);
}
.decision-num {
  grid-row: 1 / 3;
  width: 36px; height: 36px;
  background: var(--navy);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 800;
  align-self: center;
}
.decision-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
}
.decision-why {
  font-size: 13.5px;
  color: var(--text-soft);
}

.rollout-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0; }
.rollout-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.rollout-card-head {
  padding: 12px 16px;
  background: var(--navy);
}
.rollout-card-head .rc-phase {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  color: var(--white);
}
.rollout-card-head .rc-duration {
  font-size: 12px;
  color: rgba(255,255,255,.5);
  margin-top: 2px;
}
.rollout-card-body {
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--text-mid);
}

/* ── PAGE NAV ── */
.page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 0;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}
.page-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
  box-shadow: var(--shadow-sm);
  transition: all .2s;
}
.page-nav a:hover { border-color: var(--blue); color: var(--blue); box-shadow: var(--shadow); }
.page-nav a .nav-label { font-size: 11px; color: var(--text-light); display: block; font-weight: 400; }

/* ── OVERLAY ── */
#overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 90;
}

/* ── MOBILE ── */
@media (max-width: 768px) {
  #sidebar {
    transform: translateX(-100%);
  }
  #sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  #overlay.show { display: block; }
  #main { margin-left: 0; }
  #hamburger { display: flex; align-items: center; }
  #content { padding: 24px 20px 60px; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid.cols-3 { grid-template-columns: 1fr; }
  .role-grid { grid-template-columns: 1fr; }
  .scan-pair { grid-template-columns: 1fr; }
  .db-grid { grid-template-columns: 1fr; }
  .rollout-grid { grid-template-columns: 1fr; }
  .phase-step { grid-template-columns: 80px 1fr; }
  .phase-step-cell:last-child { grid-column: 2; }
  .phase-step-hdr { grid-template-columns: 80px 1fr; }
  .phase-step-hdr div:last-child { display: none; }
  .page-header h1 { font-size: 26px; }
}

/* ── PRINT ── */
@media print {
  #sidebar, #topbar, #overlay { display: none !important; }
  #main { margin-left: 0; }
  #content { padding: 20px; }
  .page-nav { display: none; }
}