/* Lethe premium light theme. Typography: Lora (serif) + IBM Plex Mono. */
:root {
  --bg: #f5f1e8;
  --bg-tint: #efe8d8;
  --panel: #ffffff;
  --panel-2: #fbf8f1;
  --panel-3: #f6f1e6;
  --border: #e7dfce;
  --border-strong: #d9cdb2;
  --text: #201d17;
  --muted: #6f6656;
  --faint: #9b917f;
  --ink: #17342a;
  --emerald: #0b7a5b;
  --emerald-deep: #075e46;
  --emerald-soft: #e7f3ee;
  --red: #b83a2b;
  --red-soft: #f7e9e6;
  --amber: #c98a12;
  --gold: #a87d0a;
  --gold-soft: #f5ecd2;
  /* graph palette (brass = gold family, cyan = teal) */
  --brass: #a87d0a;
  --brass-tint: #e7d3a0;
  --cyan: #0e7490;
  --radius: 16px;
  --serif: "Lora", Georgia, "Times New Roman", serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Consolas, monospace;
  --shadow-sm: 0 1px 2px rgba(40, 33, 15, 0.05);
  --shadow: 0 2px 8px rgba(40, 33, 15, 0.06), 0 14px 34px rgba(40, 33, 15, 0.05);
  --shadow-lg: 0 8px 40px rgba(40, 33, 15, 0.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background:
    radial-gradient(1100px 520px at 78% -8%, var(--bg-tint) 0%, rgba(0,0,0,0) 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 34px 24px 110px; }

/* header */
header.top { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 10px; }
.brand { display: flex; align-items: baseline; gap: 14px; }
.logo {
  font-family: var(--serif); font-weight: 700; font-size: 34px; letter-spacing: -0.01em;
  background: linear-gradient(105deg, var(--ink) 30%, var(--emerald) 70%, var(--gold) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.tagline { color: var(--muted); font-size: 15px; font-style: italic; }
.pills { display: flex; gap: 10px; flex-wrap: wrap; }
.pill {
  font-family: var(--mono); font-size: 11.5px; color: var(--muted);
  background: var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  padding: 6px 12px; border-radius: 999px; display: inline-flex; align-items: center; gap: 7px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.pill.live .dot { background: var(--emerald); box-shadow: 0 0 0 3px var(--emerald-soft); }

/* stepper */
.stepper { display: flex; gap: 10px; margin: 26px 0 30px; flex-wrap: wrap; }
.step {
  flex: 1 1 180px; cursor: pointer; user-select: none;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px 16px; transition: .2s; position: relative; overflow: hidden; box-shadow: var(--shadow-sm);
}
.step:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.step.active { border-color: var(--emerald); background: linear-gradient(180deg, var(--emerald-soft), var(--panel)); }
.step.active::before { content:""; position:absolute; left:0; top:0; bottom:0; width:4px; background: linear-gradient(var(--emerald), var(--gold)); }
.step .n { font-family: var(--mono); font-size: 11px; color: var(--faint); letter-spacing: .04em; }
.step .t { font-weight: 600; font-size: 16px; margin-top: 3px; color: var(--ink); }
.step .d { color: var(--muted); font-size: 13px; }
.step.active .n { color: var(--emerald-deep); }

/* sections */
.section { display: none; animation: fade .3s ease; }
.section.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
h2.sec { font-family: var(--serif); font-weight: 700; font-size: 27px; margin: 0 0 6px; color: var(--ink); letter-spacing: -0.01em; }
p.lede { color: var(--muted); margin: 0 0 24px; max-width: 72ch; font-size: 16px; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; box-shadow: var(--shadow-sm); }
.card h3 { margin: 0 0 14px; font-size: 17px; color: var(--ink); }
.row { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.grow { flex: 1; min-width: 220px; }

textarea, input, select {
  width: 100%; background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 11px; padding: 12px 14px;
  font-family: var(--serif); font-size: 15px; resize: vertical; transition: .15s;
}
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--emerald); box-shadow: 0 0 0 3px var(--emerald-soft); background: #fff; }
label.fld { display: block; font-size: 12.5px; color: var(--muted); margin: 0 0 7px; letter-spacing: .01em; }

button {
  cursor: pointer; border: 1px solid var(--border-strong); background: var(--panel); color: var(--text);
  padding: 11px 18px; border-radius: 11px; font-size: 15px; font-weight: 600; font-family: var(--serif);
  transition: .15s; box-shadow: var(--shadow-sm);
}
button:hover { border-color: var(--emerald); color: var(--emerald-deep); transform: translateY(-1px); box-shadow: var(--shadow); }
button:disabled { opacity: .55; cursor: not-allowed; transform: none; }
button.primary { background: linear-gradient(120deg, var(--emerald), var(--emerald-deep)); color: #fff; border: none; }
button.primary:hover { filter: brightness(1.06); color: #fff; }
button.danger { background: linear-gradient(120deg, #c24234, var(--red)); color: #fff; border: none; }
button.danger:hover { filter: brightness(1.06); color: #fff; }
button.ghost { background: transparent; box-shadow: none; }
.spinner { display:inline-block; width:14px;height:14px;border:2px solid rgba(0,0,0,.16);border-top-color: currentColor;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-2px;margin-right:7px;}
@keyframes spin { to { transform: rotate(360deg); } }

/* customer cards */
.cust-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(224px, 1fr)); gap: 14px; }
.cust {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 13px; padding: 16px;
  transition: .16s; cursor: pointer; position: relative; box-shadow: var(--shadow-sm);
}
.cust:hover { border-color: var(--emerald); transform: translateY(-2px); box-shadow: var(--shadow); }
.cust.sel { border-color: var(--emerald); box-shadow: 0 0 0 2px var(--emerald-soft) inset; }
.cust .nm { font-weight: 700; font-size: 16px; color: var(--ink); }
.cust .meta { color: var(--muted); font-size: 13px; margin-top: 4px; }
.cust .ds { font-family: var(--mono); font-size: 11px; color: var(--faint); margin-top: 9px; }
.tag { display:inline-block; font-size: 10.5px; font-family: var(--mono); padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--muted); background: var(--panel); }
.tag.gone { color: var(--red); border-color: #e3b7af; background: var(--red-soft); }
.tag.verified { color: var(--emerald-deep); border-color: #a9d6c5; background: var(--emerald-soft); }

/* recall chat */
.msg { padding: 14px 16px; border-radius: 13px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.msg.q { background: var(--gold-soft); border: 1px solid #e7d9b0; }
.msg.a { background: var(--panel); border: 1px solid var(--border); white-space: pre-wrap; }
.msg .who { font-size: 11px; color: var(--faint); font-family: var(--mono); margin-bottom: 5px; letter-spacing: .06em; }
.ctx { font-size: 12.5px; color: var(--muted); border-left: 3px solid var(--border-strong); padding-left: 12px; margin-top: 10px; white-space: pre-wrap; }
.feedback { display: flex; gap: 10px; margin-top: 10px; }
.feedback button { padding: 6px 13px; font-size: 13px; }

/* scoreboard */
.scorehead { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.bignum { font-family: var(--mono); font-weight: 600; font-size: 46px; line-height: 1; letter-spacing: -0.02em; }
.bignum small { font-size: 18px; color: var(--muted); font-weight: 500; }
.bignum.leak { color: var(--red); }
.bignum.safe { color: var(--emerald); }
.gauge { flex: 1; min-width: 220px; }
.gauge .bar { height: 12px; background: var(--panel-3); border-radius: 999px; overflow: hidden; border: 1px solid var(--border); }
.gauge .fill { height: 100%; background: linear-gradient(90deg, var(--emerald), var(--amber) 55%, var(--red)); transition: width .8s cubic-bezier(.2,.8,.2,1); }
.gauge .lbl { font-size: 12.5px; color: var(--muted); margin-top: 8px; display:flex; justify-content: space-between; }

.classbar { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:16px; }
.cchip { font-size:12px; font-family:var(--mono); border:1px solid var(--border-strong); border-radius:9px; padding:6px 11px; color:var(--muted); background: var(--panel-2); }
.cchip b { color: var(--ink); }

.probes { display: flex; flex-direction: column; gap: 9px; }
.probe {
  display: grid; grid-template-columns: 92px 1fr auto; gap: 14px; align-items: center;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 11px; padding: 12px 15px;
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.probe:hover { box-shadow: var(--shadow-sm); }
.probe .cls { font-family: var(--mono); font-size: 10px; color: var(--faint); text-transform: uppercase; letter-spacing: .06em; }
.probe .qtext { font-size: 14.5px; }
.probe .ev { font-size: 11.5px; color: var(--red); margin-top: 3px; font-family: var(--mono); }
.verdict { font-family: var(--mono); font-size: 11px; font-weight: 600; padding: 5px 12px; border-radius: 999px; white-space: nowrap; transition: .35s; letter-spacing: .04em; }
.verdict.LEAK { color: var(--red); background: var(--red-soft); border: 1px solid #e3b7af; }
.verdict.SAFE { color: var(--emerald-deep); background: var(--emerald-soft); border: 1px solid #a9d6c5; }
.probe.flip { animation: flip .55s ease; }
@keyframes flip { 0%{transform:scale(1)} 40%{transform:scale(1.015); box-shadow: var(--shadow)} 100%{transform:scale(1)} }

/* forget mode selectors */
.modes { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:16px; }
.mode { flex:1 1 260px; border:1px solid var(--border); border-radius:13px; padding:16px; cursor:pointer; background:var(--panel-2); transition:.16s; box-shadow: var(--shadow-sm); }
.mode:hover { border-color: var(--border-strong); transform: translateY(-1px); box-shadow: var(--shadow); }
.mode.sel { border-color: var(--emerald); box-shadow: 0 0 0 2px var(--emerald-soft) inset; background: linear-gradient(180deg, var(--emerald-soft), var(--panel-2)); }
.mode .mt { font-weight:700; color: var(--ink); }
.mode .md { color: var(--muted); font-size:13px; margin-top:5px; }

/* certificate */
.cert {
  background:
    radial-gradient(700px 240px at 82% 0%, var(--emerald-soft) 0%, rgba(0,0,0,0) 60%),
    linear-gradient(180deg, #fffef9, #fdfaf0);
  border: 2px solid #bfae7e; border-radius: 18px; padding: 30px; position: relative; overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cert::before {
  content:""; position:absolute; inset:9px; border:1px solid #d8c79a; border-radius:12px; pointer-events:none;
}
.cert.incomplete { border-color: #d9b3aa; background: radial-gradient(700px 240px at 82% 0%, var(--red-soft) 0%, rgba(0,0,0,0) 60%), linear-gradient(180deg, #fffdfb, #fdf6f4); }
.cert.incomplete::before { border-color: #e6c5bd; }
.cert h3 { font-family: var(--mono); font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--gold); margin: 0 0 4px; }
.cert .cid { font-family: var(--mono); font-size: 13px; color: var(--emerald-deep); }
.seal {
  position: absolute; top: 24px; right: 26px; text-align: center;
  border: 2.5px solid var(--emerald); color: var(--emerald-deep); border-radius: 50%;
  width: 104px; height: 104px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  transform: rotate(-11deg); font-family: var(--mono);
  background: radial-gradient(circle, #ffffff 55%, var(--emerald-soft) 100%);
  box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--emerald-soft);
}
.seal.bad { border-color: var(--red); color: var(--red); background: radial-gradient(circle, #fff 55%, var(--red-soft) 100%); box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--red-soft); }
.seal .sm { font-size: 9px; letter-spacing: .1em; }
.seal .lg { font-size: 16px; font-weight: 700; }
.certgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 16px; margin: 24px 0; position: relative; }
.cf .k { font-size: 10.5px; color: var(--gold); text-transform: uppercase; letter-spacing: .06em; font-family: var(--mono); }
.cf .v { font-size: 15px; margin-top: 3px; font-family: var(--mono); word-break: break-word; color: var(--text); }
.cf .v.big { font-size: 24px; font-weight: 600; }
.cf .v.leak { color: var(--red); } .cf .v.safe { color: var(--emerald); }
.sig { font-family: var(--mono); font-size: 11.5px; color: var(--muted); word-break: break-all; background: #fffdf6; border:1px solid #e7d9b0; border-radius:9px; padding:11px; margin-top:7px; }
.verifybox { margin-top: 18px; padding: 16px; border: 1px dashed var(--border-strong); border-radius: 11px; position: relative; background: rgba(255,255,255,.5); }
.vresult { font-family: var(--mono); font-size: 13px; margin-top: 12px; }
.vresult .ok { color: var(--emerald-deep); } .vresult .no { color: var(--red); }
.residual { margin-top: 16px; position: relative; }
.residual .ri { font-size: 12.5px; color: var(--muted); padding: 7px 0; border-top: 1px solid var(--border); font-family: var(--mono); }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; border: 1px solid var(--emerald-deep); padding: 12px 20px; border-radius: 11px; font-size: 14px; opacity: 0; transition: .25s; pointer-events: none; z-index: 50; box-shadow: var(--shadow-lg); }
.toast.show { opacity: 1; }
.muted { color: var(--muted); } .mono { font-family: var(--mono); }
.hidden { display: none !important; }
.hint { font-size: 13px; color: var(--faint); margin-top: 9px; font-style: italic; }
a { color: var(--emerald-deep); }

details.card summary { color: var(--ink); }

/* memory graph */
.graphhead { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.graphhead h3 { margin: 0; }
.glegend { display: flex; gap: 14px; flex-wrap: wrap; }
.gchip { font-family: var(--mono); font-size: 11px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; }
.gchip::before { content: ""; width: 10px; height: 10px; border-radius: 50%; display: inline-block; box-sizing: border-box; }
.gchip.subj::before { background: var(--text); }
.gchip.city::before { background: var(--brass-tint); border: 1px solid var(--brass); }
.gchip.cx::before { background: var(--panel); border: 1px solid var(--cyan); }
.gchip.erased::before { background: var(--panel); border: 1px dashed var(--red); }
.graphwrap { position: relative; width: 100%; }
#memgraph {
  width: 100%; height: 440px; display: block;
  border: 1px solid var(--border); border-radius: 12px;
  background-color: var(--panel-2);
  background-image: radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 22px 22px; background-position: -1px -1px;
  touch-action: none; cursor: default;
}
@media (max-width: 640px) { #memgraph { height: 320px; } }

/* segmented toggle (graph mode) */
.gtoggle { display: inline-flex; border: 1px solid var(--border-strong); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-sm); }
.gseg { border: none; border-radius: 0; box-shadow: none; background: var(--panel); color: var(--muted); padding: 8px 14px; font-size: 13px; }
.gseg:hover { transform: none; color: var(--emerald-deep); background: var(--panel-2); }
.gseg.sel { background: linear-gradient(120deg, var(--emerald), var(--emerald-deep)); color: #fff; }

/* cloud proof card */
.cloudproof { border-color: #bfae7e; background: radial-gradient(700px 200px at 85% 0%, var(--gold-soft) 0%, rgba(0,0,0,0) 60%), var(--panel); }
.proofcols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
@media (max-width: 640px) { .proofcols { grid-template-columns: 1fr; } }
.proofcol { border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: var(--panel-2); }
.proofcol .h { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; margin-bottom: 8px; }
.proofcol.before .h { color: var(--red); } .proofcol.after .h { color: var(--emerald-deep); }
.proofcol .ans { font-size: 13.5px; white-space: pre-wrap; }
.proofverdict { margin-top: 14px; font-family: var(--mono); font-weight: 600; }

/* tables */
.tablewrap { width: 100%; overflow-x: auto; }
.ltable { width: 100%; border-collapse: collapse; font-size: 14px; }
.ltable th { text-align: left; font-family: var(--mono); font-size: 11px; letter-spacing: .04em; color: var(--gold); text-transform: uppercase; padding: 10px 12px; border-bottom: 1px solid var(--border-strong); white-space: nowrap; }
.ltable td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.ltable tr:last-child td { border-bottom: none; }
.ltable .mono { font-family: var(--mono); font-size: 12.5px; }
.st { font-family: var(--mono); font-size: 11px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--border-strong); white-space: nowrap; }
.st.in_memory { color: var(--muted); }
.st.audited { color: var(--gold); border-color: #e0cf9a; background: var(--gold-soft); }
.st.erased_verified { color: var(--emerald-deep); border-color: #a9d6c5; background: var(--emerald-soft); }
.st.erased_incomplete { color: var(--red); border-color: #e3b7af; background: var(--red-soft); }

/* PII highlight in probe responses */
.pii { background: #f6d9d3; color: var(--red); border-radius: 3px; padding: 0 2px; font-weight: 600; }

/* certificate share + QR */
.sharebox { margin-top: 14px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.qr { width: 104px; height: 104px; border: 1px solid var(--border-strong); border-radius: 10px; background: #fff; padding: 6px; }
.sharelink { font-family: var(--mono); font-size: 12px; color: var(--muted); word-break: break-all; flex: 1; min-width: 220px; }

@media print {
  body { background: #fff; }
  header.top, .stepper, .verifybox, button, .toast { display: none !important; }
  .section:not(#s-forget) { display: none !important; }
  .cert { border: 2px solid #bfae7e; box-shadow: none; }
}