/* HUMAN OS — dark engineering theme */
:root {
  --bg: #0a0c11;
  --panel: #12161f;
  --panel2: #171c28;
  --line: #232a38;
  --text: #e8ecf4;
  --sub: #8b95a7;
  --accent: #ff3b30;
  --cyan: #37f2e6;
  --ok: #2fd06a;
  --warn: #ffb020;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Meiryo", system-ui, sans-serif;
  line-height: 1.7;
  min-height: 100vh;
  padding-bottom: 84px; /* tabbar space */
}
button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; }

/* ---- top bar ---- */
.topbar { border-bottom: 1px solid var(--line); background: rgba(10,12,17,.92); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(8px); }
.topbar-inner { max-width: 1080px; margin: 0 auto; padding: 12px 18px; display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.brand { font-family: var(--mono); font-size: 22px; font-weight: 800; letter-spacing: 1px; color: var(--text); }
.brand-accent { color: var(--accent); }
.tagline { color: var(--sub); font-size: 12px; letter-spacing: 2px; }

/* ---- layout ---- */
.view { max-width: 1080px; margin: 0 auto; padding: 22px 16px 40px; }
.foot { border-top: 1px solid var(--line); color: var(--sub); font-size: 12px; text-align: center; padding: 26px 16px 30px; }
.foot-sub { font-family: var(--mono); letter-spacing: 1px; opacity: .7; }

/* ---- tabbar ---- */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #0d1017; border-top: 1px solid var(--line);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
}
.tabbar button { padding: 10px 4px; font-size: 12px; color: var(--sub); font-weight: 700; letter-spacing: .5px; }
.tabbar button.active { color: var(--accent); }
.tabbar button.active::after { content: ""; display: block; width: 22px; height: 2px; background: var(--accent); margin: 3px auto 0; }

/* ---- common ---- */
h1.hero { font-size: 26px; letter-spacing: 1px; margin: 8px 0 4px; }
h2.section { font-size: 17px; margin: 26px 0 12px; padding-left: 10px; border-left: 3px solid var(--accent); }
p.lead { color: var(--sub); font-size: 14px; margin-bottom: 14px; }
.mono { font-family: var(--mono); }

.grid { display: grid; gap: 14px; }
.grid.cards3 { grid-template-columns: 1fr; }
@media (min-width: 760px) { .grid.cards3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; position: relative; overflow: hidden;
}
.card.clickable { transition: transform .12s ease, border-color .12s ease; }
.card.clickable:hover, .card.clickable:active { transform: translateY(-2px); border-color: var(--accent); }
.card .kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 2px; color: var(--cyan); text-transform: uppercase; }
.card h3 { font-size: 16px; margin: 6px 0 8px; }
.card p { color: var(--sub); font-size: 13px; }
.card .go { display: inline-block; margin-top: 12px; color: var(--accent); font-weight: 700; font-size: 13px; }

.btn {
  display: inline-block; padding: 11px 20px; border-radius: 10px; font-weight: 700; font-size: 14px;
  background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  transition: border-color .12s ease, background .12s ease;
}
.btn:hover { border-color: var(--sub); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn.accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.accent:hover { background: #e5342b; }
.btn.cyber { background: transparent; border: 1px solid var(--cyan); color: var(--cyan); }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 12px; font-size: 12px; border-radius: 8px; }
.btn.danger { border-color: #6a2020; color: #ff8a80; }

.chip {
  display: inline-block; font-family: var(--mono); font-size: 11px; padding: 2px 9px;
  border-radius: 999px; border: 1px solid var(--line); color: var(--sub); margin: 2px 3px 2px 0;
}
.chip.good { color: var(--ok); border-color: #1d5c38; }
.chip.bad { color: var(--accent); border-color: #6a2020; }
.chip.info { color: var(--cyan); border-color: #1a5f5a; }
.chip.warn { color: var(--warn); border-color: #6a5320; }

/* meters */
.meter { margin: 8px 0; }
.meter .meter-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--sub); }
.meter .meter-bar { height: 10px; background: #1b2130; border-radius: 6px; overflow: hidden; margin-top: 3px; }
.meter .meter-fill { height: 100%; border-radius: 6px; transition: width .4s ease; }
.m-fill-p { background: linear-gradient(90deg, #37f2e6, #2fd06a); }
.m-fill-e { background: linear-gradient(90deg, #ffb020, #ff3b30); }
.m-fill-t { background: linear-gradient(90deg, #6f8cff, #37f2e6); }
.m-fill-b { background: linear-gradient(90deg, #8b95a7, #e8ecf4); }
.m-fill-score { background: linear-gradient(90deg, #ff3b30, #ffb020, #2fd06a); }

/* AI common answer box */
.ai-box {
  background: #141019; border: 1px solid #3a2440; border-radius: 12px; padding: 14px;
  font-size: 13px; color: #d9c2e8;
}
.ai-box .ai-name { font-family: var(--mono); font-size: 11px; color: #c477f0; letter-spacing: 1px; margin-bottom: 6px; }

textarea.ta {
  width: 100%; min-height: 110px; background: #0d1119; color: var(--text);
  border: 1px solid var(--line); border-radius: 10px; padding: 12px; font-size: 14px;
  font-family: inherit; line-height: 1.7; resize: vertical;
}
textarea.ta:focus { outline: none; border-color: var(--cyan); }

/* depth dots */
.depth-dots { display: flex; gap: 6px; align-items: center; margin: 10px 0; flex-wrap: wrap; }
.depth-dots .dot {
  width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--line);
  display: grid; place-items: center; font-family: var(--mono); font-size: 10px; color: var(--sub);
}
.depth-dots .dot.lit { background: var(--accent); border-color: var(--accent); color: #fff; }
.depth-dots .dot.done { background: #1d5c38; border-color: #1d5c38; color: var(--ok); }
.depth-dots .arrow { color: var(--sub); font-size: 10px; }

/* stats row */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 8px; }
@media (min-width: 760px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat .v { font-family: var(--mono); font-size: 22px; font-weight: 800; color: var(--cyan); }
.stat .k { font-size: 11px; color: var(--sub); letter-spacing: 1px; }

/* ---------- SENSORIUM ---------- */
.sensor-grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .sensor-grid { grid-template-columns: repeat(2, 1fr); } }
.sensor-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.sensor-card .s-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.sensor-card .s-name { font-weight: 700; font-size: 14px; }
.sensor-card .s-desc { font-size: 11px; color: var(--sub); margin-top: 2px; }
.sensor-card canvas { width: 100%; height: 90px; display: block; margin-top: 10px; background: #0d1119; border-radius: 8px; }
.sensor-card .s-val { font-family: var(--mono); font-size: 13px; color: var(--cyan); margin-top: 8px; min-height: 20px; }
.status { font-family: var(--mono); font-size: 10px; padding: 3px 8px; border-radius: 999px; letter-spacing: 1px; white-space: nowrap; }
.status.idle { color: var(--sub); border: 1px solid var(--line); }
.status.on { color: var(--ok); border: 1px solid #1d5c38; }
.status.off { color: var(--warn); border: 1px solid #6a5320; }
.status.no { color: #ff8a80; border: 1px solid #6a2020; }

.subtabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.subtabs button { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--line); color: var(--sub); font-size: 13px; font-weight: 700; }
.subtabs button.active { border-color: var(--cyan); color: var(--cyan); }

.rf-canvas-wrap { border: 2px solid var(--line); border-radius: 12px; padding: 8px; transition: border-color .2s; }
.rf-canvas-wrap.real { border-color: var(--ok); }
.rf-canvas-wrap.fake { border-color: var(--accent); }
.rf-canvas-wrap .rf-label { font-family: var(--mono); font-size: 12px; color: var(--sub); margin-bottom: 4px; }
.rf-pair { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 620px) { .rf-pair { grid-template-columns: 1fr; } }
.rf-canvas-wrap canvas { width: 100%; height: 120px; display: block; background: #0d1119; border-radius: 8px; }

.tap-pad {
  width: 100%; padding: 40px 16px; border: 2px dashed var(--line); border-radius: 14px;
  color: var(--sub); font-size: 15px; font-weight: 700; text-align: center; user-select: none;
}
.tap-pad.active { border-color: var(--cyan); color: var(--cyan); }

/* ---------- SYNTHESIS ---------- */
.hud { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
@media (min-width: 760px) { .hud { grid-template-columns: repeat(4, 1fr); } }
.agent-chip { font-family: var(--mono); font-size: 11px; letter-spacing: 1px; padding: 3px 10px; border-radius: 6px; color: #fff; display: inline-block; }
.agent-ENG { background: #244a8f; }
.agent-RSK { background: #7a5a17; }
.agent-OPS { background: #1f6e5a; }
.agent-SYS { background: #3a2440; color:#c477f0; }

.proposal { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.proposal .p-text { font-size: 15px; margin: 10px 0; }
.proposal .p-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.eff-chips { margin-top: 6px; }

.policy-pick { border: 1px solid var(--line); border-radius: 12px; padding: 14px; background: var(--panel); text-align: left; width: 100%; transition: border-color .12s; }
.policy-pick:hover { border-color: var(--cyan); }
.policy-pick .p-name { font-weight: 800; font-size: 14px; }
.policy-pick .p-desc { font-size: 12px; color: var(--sub); margin-top: 4px; }

.term {
  background: #0b0e14; border: 1px solid var(--line); border-radius: 12px;
  font-family: var(--mono); font-size: 12px; line-height: 1.75;
  padding: 12px; height: 220px; overflow-y: auto; margin-top: 14px;
}
.term .t-turn { color: var(--warn); }
.term .t-good { color: var(--ok); }
.term .t-bad { color: #ff8a80; }
.term .t-sys { color: var(--sub); }

.verdict { text-align: center; padding: 30px 16px; }
.verdict .v-big { font-size: 30px; font-weight: 900; letter-spacing: 2px; margin: 10px 0; }
.verdict .v-sub { color: var(--sub); font-size: 14px; }
.rank { font-family: var(--mono); font-size: 60px; font-weight: 900; }

/* result / feedback */
.result-keys { margin: 10px 0; }
.badge {
  display: inline-block; font-family: var(--mono); font-weight: 800; font-size: 15px;
  padding: 6px 18px; border-radius: 999px; letter-spacing: 2px;
  background: linear-gradient(90deg, #ff3b30, #ffb020); color: #fff;
}
.note { font-size: 12px; color: var(--sub); }
.spacer { height: 18px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.back-link { color: var(--sub); font-size: 13px; text-decoration: underline; }