/* =========================
   CI/CD Theme (Tellio Navy-ish + DevOps Mint)
========================= */
:root{
  --bg: #f4f6fa;
  --card: #ffffff;

  --primary: #1e3a8a;        /* navy */
  --primary-dark: #172554;
  --primary-soft: #e0e7ff;

  --accent: #22c55e;         /* mint/green for "delivery" feeling */
  --accent-soft: #dcfce7;

  --warn: #f59e0b;
  --warn-soft: #ffedd5;

  --danger: #ef4444;
  --danger-soft: #fee2e2;

  --text: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;

  --radius: 16px;
  --shadow: 0 12px 30px rgba(15,23,42,.08);
}

[data-theme="dark"]{
  --bg: #0b1220;
  --card: rgba(15,23,42,.85);

  --primary: #7aa2ff;
  --primary-dark: #c7d2fe;
  --primary-soft: rgba(122,162,255,.16);

  --accent: #4ade80;
  --accent-soft: rgba(74,222,128,.14);

  --warn: #fbbf24;
  --warn-soft: rgba(251,191,36,.14);

  --danger: #fb7185;
  --danger-soft: rgba(251,113,133,.14);

  --text: #e5e7eb;
  --muted: rgba(226,232,240,.72);
  --border: rgba(148,163,184,.22);

  --shadow: 0 14px 34px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }

html,body{
  height:100%;
}

body{
  margin:0;
  font-family:"Noto Sans JP", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
}

/* =========================
   Topbar
========================= */
.topbar{
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 70%, transparent);
  border-bottom: 1px solid var(--border);
}

.topbar-inner{
  max-width: 1200px;
  margin: 0 auto;
  padding: .8rem 1rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 1rem;
}

.brand{
  display:flex;
  align-items:center;
  gap:.65rem;
  text-decoration:none;
  color: var(--text);
}

.brand-mark{
  width: 36px;
  height: 36px;
  display:grid;
  place-items:center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 60%, var(--accent)));
  color: #fff;
  font-weight: 800;
  box-shadow: var(--shadow);
}

.brand-name{
  font-weight: 800;
  letter-spacing: .02em;
}

.topbar-actions{
  display:flex;
  gap:.5rem;
  align-items:center;
}

/* =========================
   Buttons
========================= */
.btn{
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: .55rem .85rem;
  border-radius: 12px;
  cursor:pointer;
  text-decoration:none;
  display:inline-flex;
  gap:.5rem;
  align-items:center;
  justify-content:center;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow: 0 6px 16px rgba(15,23,42,.06);
}

.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(15,23,42,.10);
}

.btn.primary{
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, var(--card)), var(--card));
}

.btn.ghost{
  background: transparent;
  box-shadow: none;
}

.btn.small{
  padding: .38rem .65rem;
  border-radius: 10px;
  font-size: .9rem;
}

/* =========================
   Breadcrumb
========================= */
.breadcrumb{
  max-width: 1200px;
  margin: .8rem auto 0;
  padding: 0 1rem;
  color: var(--muted);
  font-size: .95rem;
}

.breadcrumb a{
  color: color-mix(in srgb, var(--primary) 65%, var(--text));
  text-decoration: none;
}

.breadcrumb a:hover{
  text-decoration: underline;
}

/* =========================
   Layout
========================= */
.layout{
  max-width: 1200px;
  margin: 1rem auto 2.2rem;
  padding: 0 1rem;
  display:grid;
  grid-template-columns: 300px 1fr;
  gap: 1rem;
}

@media (max-width: 980px){
  .layout{ grid-template-columns: 1fr; }
  .sidebar{
    position: fixed;
    inset: 60px 12px auto 12px;
    max-height: calc(100vh - 90px);
    overflow:auto;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events:none;
    transition: opacity .15s ease, transform .15s ease;
  }
  .sidebar.open{
    opacity:1;
    transform: translateY(0);
    pointer-events:auto;
  }
}

/* =========================
   Sidebar / TOC
========================= */
.sidebar{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.sidebar-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: .8rem;
  padding-bottom: .75rem;
  border-bottom: 1px dashed var(--border);
  margin-bottom: .75rem;
}

.sidebar-title{
  font-weight: 800;
}

.sidebar-meta{
  color: var(--muted);
  font-size: .85rem;
  white-space:nowrap;
}

.toc{
  display:flex;
  flex-direction:column;
  gap: .25rem;
  margin: .5rem 0 .9rem;
}

.toc-link{
  text-decoration:none;
  color: var(--text);
  padding: .5rem .6rem;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
}

.toc-link:hover{
  background: var(--primary-soft);
  border-color: color-mix(in srgb, var(--primary) 18%, var(--border));
}

.sidebar-box{
  border-top: 1px dashed var(--border);
  padding-top: .9rem;
  margin-top: .9rem;
}

.sidebar-subtitle{
  font-weight: 800;
  margin-bottom: .4rem;
}

.side-list{
  margin: .4rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}
.side-list a{
  color: color-mix(in srgb, var(--primary) 70%, var(--text));
  text-decoration:none;
}
.side-list a:hover{ text-decoration: underline; }

.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  margin-bottom: .7rem;
}

.badge{
  font-size:.85rem;
  padding:.22rem .55rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 60%, var(--card));
}

/* =========================
   Main
========================= */
.content{
  display:flex;
  flex-direction:column;
  gap: 1rem;
}

/* Hero */
.hero-card{
  background:
    radial-gradient(900px 260px at 10% 0%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 60%),
    radial-gradient(900px 260px at 90% 10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
  padding: 1.2rem 1.2rem 1.1rem;
}

.hero-eyebrow{
  display:inline-block;
  font-size: .9rem;
  color: var(--muted);
  padding: .2rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 30%, var(--card));
}

.hero-title{
  margin: .6rem 0 .2rem;
  font-size: 2rem;
  line-height: 1.25;
}

.hero-desc{
  margin: 0 0 1rem;
  color: var(--muted);
}

.hero-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
  margin: .8rem 0 1rem;
}

@media (max-width: 880px){
  .hero-grid{ grid-template-columns: 1fr; }
}

.kpi{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .9rem .9rem .8rem;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
}

.kpi-label{
  color: var(--muted);
  font-size: .9rem;
}

.kpi-value{
  font-weight: 900;
  font-size: 1.2rem;
  margin-top:.25rem;
}

.kpi-note{
  color: var(--muted);
  font-size: .9rem;
  margin-top:.2rem;
}

.hero-actions{
  display:flex;
  gap:.6rem;
  flex-wrap:wrap;
}

/* Cards */
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.05rem 1.15rem;
}

.card h2{
  margin: .2rem 0 .6rem;
  font-size: 1.35rem;
}

.h3{
  margin: .3rem 0 .4rem;
  font-size: 1.05rem;
}

.small{ font-size: .92rem; }
.muted{ color: var(--muted); }

/* Notes */
.note{
  margin: .9rem 0 0;
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border));
  background: color-mix(in srgb, var(--primary-soft) 55%, var(--card));
  border-radius: 14px;
  padding: .85rem .9rem;
}

.note-title{
  font-weight: 900;
  margin-bottom: .35rem;
}

.note.warn{
  border-color: color-mix(in srgb, var(--warn) 28%, var(--border));
  background: color-mix(in srgb, var(--warn-soft) 70%, var(--card));
}

.note.ok{
  border-color: color-mix(in srgb, var(--accent) 25%, var(--border));
  background: color-mix(in srgb, var(--accent-soft) 75%, var(--card));
}

/* Layout helpers */
.two-col{
  display:grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 1rem;
}
@media (max-width: 980px){
  .two-col{ grid-template-columns: 1fr; }
}

.statbox{
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
  padding: .8rem;
}

.stat + .stat{ margin-top: .6rem; }
.stat-k{ color: var(--muted); font-size:.9rem; }
.stat-v{ font-weight: 900; font-size: 1.1rem; margin-top:.15rem; }
.stat-n{ color: var(--muted); font-size:.9rem; }

/* Lists */
.check{
  list-style:none;
  padding-left:0;
  margin: .5rem 0 0;
}
.check li{
  position:relative;
  padding-left: 1.35rem;
  margin: .35rem 0;
}
.check li::before{
  content:"✓";
  position:absolute;
  left:0;
  top:0;
  color: var(--accent);
  font-weight: 900;
}

.steps{
  margin: .6rem 0 0;
  padding-left: 1.2rem;
}
.steps li{ margin: .65rem 0; }

/* Mini cards */
.mini-grid{
  margin-top: .9rem;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .7rem;
}
@media (max-width: 900px){
  .mini-grid{ grid-template-columns: 1fr; }
}
.mini{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .8rem .9rem;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
}
.mini-title{ font-weight: 900; }
.mini-body{ color: var(--muted); margin-top:.25rem; }

/* Flow */
.flow{
  display:flex;
  flex-wrap:wrap;
  gap: .45rem;
  margin: .6rem 0 .2rem;
}
.flow-step{
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
  border-radius: 999px;
  padding: .35rem .65rem;
  display:flex;
  align-items:center;
  gap:.4rem;
}
.dot{
  width:10px;
  height:10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 18%, transparent);
}

/* Compare */
.compare{
  margin-top: .7rem;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: .8rem;
}
@media (max-width: 900px){
  .compare{ grid-template-columns: 1fr; }
}
.compare-col{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .8rem .9rem;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
}

/* Pipeline */
.pipeline{
  margin-top: .8rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
  padding: .85rem .9rem;
}
.pipe-row{
  display:flex;
  flex-wrap:wrap;
  gap: .35rem;
  align-items:center;
}
.pipe{
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border));
  background: color-mix(in srgb, var(--primary-soft) 45%, var(--card));
  padding: .28rem .6rem;
  border-radius: 999px;
  font-weight: 700;
}
.arrow{ color: var(--muted); padding: 0 .1rem; }
.pipe-hint{ margin-top: .55rem; }

/* Code blocks */
.codecard{
  margin-top: .9rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow:hidden;
  background: color-mix(in srgb, var(--bg) 10%, var(--card));
}
.codehead{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.7rem;
  padding: .65rem .8rem;
  border-bottom: 1px solid var(--border);
}
.code-title{ font-weight: 900; }
.code{
  margin:0;
  padding: .9rem .9rem;
  overflow:auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: .92rem;
  line-height: 1.65;
}

/* Tools */
.tool-grid{
  margin-top: .8rem;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .8rem;
}
@media (max-width: 980px){
  .tool-grid{ grid-template-columns: 1fr; }
}
.tool{
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .9rem .95rem;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
}
.tool-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.7rem;
  margin-bottom: .4rem;
}
.tool-title{ font-weight: 900; }
.tool-tag{
  font-size:.85rem;
  padding:.2rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}
.tool-foot{ margin-top:.5rem; }

/* Table */
.tablewrap{
  margin-top: .9rem;
  overflow:auto;
  border-radius: 14px;
  border: 1px solid var(--border);
}
.table{
  width:100%;
  border-collapse: collapse;
  min-width: 780px;
  background: var(--card);
}
.table th, .table td{
  border-bottom: 1px solid var(--border);
  padding: .75rem .75rem;
  text-align:left;
}
.table thead th{
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 20%, var(--card));
}
.table tbody tr:hover{
  background: color-mix(in srgb, var(--primary-soft) 40%, var(--card));
}

/* Checklist */
.checklist{
  margin-top: .6rem;
  display:flex;
  flex-direction:column;
  gap: .4rem;
}
.chk{
  display:flex;
  gap:.6rem;
  align-items:flex-start;
  padding: .55rem .65rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
}
.chk input{
  margin-top:.25rem;
}

/* FAQ */
.faq{
  margin-top: .6rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg) 18%, var(--card));
  padding: .65rem .75rem;
}
.faq summary{
  cursor:pointer;
  font-weight: 800;
}
.faq-body{
  margin-top: .55rem;
  color: var(--muted);
}

/* Footer */
.footer{
  margin: 1.6rem auto 2rem;
  padding: 1rem 1.2rem;
  border-radius: 16px;
  background: color-mix(in srgb, var(--card) 85%, transparent);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: color-mix(in srgb, var(--text) 78%, transparent);
}

.footer p{
  margin: .35rem 0;
  line-height: 1.7;
}
.footer a{
  color: color-mix(in srgb, var(--primary) 65%, var(--text));
  text-decoration: none;
}

.footer a:hover{
  text-decoration: underline;
}