/* Demo mode styles — standalone page, no build step. */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0d0f14; --bg-secondary: #111318; --bg-card: #141620; --bg-card-hover: #181b26;
  --fg: #f0ece4; --fg-secondary: #8a8478; --fg-muted: #5a5650;
  --accent: #c9a55c; --accent-dim: #8a6b2e; --accent-glow: rgba(201,165,92,0.15);
  --red: #e05a5a; --green: #4caf7d;
  --border: rgba(201,165,92,0.12); --border-strong: rgba(201,165,92,0.25);
}
body { background:var(--bg); color:var(--fg); font-family:'DM Sans',sans-serif; font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased; min-height:100vh; }

/* Demo banner */
.demo-banner { background:rgba(201,165,92,0.08); border-bottom:1px solid var(--border-strong); padding:12px 24px; display:flex; align-items:center; justify-content:center; gap:12px; flex-wrap:wrap; text-align:center; font-size:13px; color:var(--fg-secondary); }
.demo-banner strong { color:var(--accent); }
.demo-banner a, .demo-banner button.signup-link { color:var(--accent); text-decoration:underline; cursor:pointer; background:none; border:none; font:inherit; font-size:inherit; padding:0; }
.demo-banner .privacy-note { font-size:11px; color:var(--fg-muted); display:block; width:100%; text-align:center; margin-top:2px; }

/* Layout */
.container { max-width:640px; margin:0 auto; padding:60px 24px 80px; }
.header { text-align:center; margin-bottom:48px; }
.title { font-family:'Fraunces',serif; font-size:42px; font-weight:600; color:var(--fg); letter-spacing:-0.02em; margin-bottom:8px; }
.title-mark { display:block; height:54px; width:auto; margin:0 auto 8px; }
.demo-tag { display:inline-block; font-size:11px; font-weight:500; letter-spacing:0.12em; text-transform:uppercase; color:var(--accent); background:var(--accent-glow); border:1px solid var(--border-strong); border-radius:100px; padding:4px 12px; margin-bottom:16px; }
.subtitle { font-size:16px; color:var(--fg-secondary); }

/* Form */
.form { display:flex; gap:12px; margin-bottom:8px; }
.input { flex:1; padding:16px 20px; font-family:'DM Sans',sans-serif; font-size:16px; color:var(--fg); background:var(--bg-card); border:1px solid var(--border); border-radius:12px; outline:none; transition:border-color .2s,box-shadow .2s; }
.input::placeholder { color:var(--fg-muted); }
.input:focus { border-color:var(--border-strong); box-shadow:0 0 0 3px var(--accent-glow); }
.btn { padding:14px 24px; font-family:'DM Sans',sans-serif; font-size:15px; font-weight:500; color:var(--bg); background:var(--accent); border:none; border-radius:12px; cursor:pointer; transition:opacity .2s; white-space:nowrap; }
.btn:hover { opacity:.88; }
.btn:disabled { opacity:.45; cursor:not-allowed; }
.btn-outline { background:transparent; color:var(--accent); border:1px solid var(--border-strong); }
.btn-outline:hover { border-color:var(--accent); background:var(--accent-glow); }
.btn-sm { padding:8px 16px; font-size:13px; border-radius:8px; }
.input-hint { font-size:13px; color:var(--fg-muted); text-align:center; margin-bottom:28px; }

/* Ideas list */
.empty { text-align:center; color:var(--fg-muted); padding:60px 0; font-size:15px; }
.list { list-style:none; display:flex; flex-direction:column; gap:12px; }
.card { background:var(--bg-card); border:1px solid var(--border); border-radius:16px; padding:20px 24px; cursor:pointer; transition:border-color .2s,background .2s; }
.card:hover { border-color:var(--border-strong); background:var(--bg-card-hover); }
.card-content { font-size:15px; color:var(--fg); margin-bottom:12px; line-height:1.5; word-break:break-word; }
.card-footer { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.card-time { font-size:12px; color:var(--fg-muted); }
.badge { display:inline-block; font-size:11px; font-weight:500; letter-spacing:0.06em; text-transform:uppercase; padding:3px 10px; border-radius:100px; }
.badge-confirmed { background:rgba(76,175,125,0.15); color:var(--green); border:1px solid rgba(76,175,125,0.3); }
.badge-pending { background:rgba(201,165,92,0.12); color:var(--accent); border:1px solid var(--border-strong); animation:pulseBadge 2s ease-in-out infinite; }
@keyframes pulseBadge { 0%,100%{opacity:1} 50%{opacity:.6} }
.delete-btn { margin-left:auto; background:none; border:none; color:var(--fg-muted); font-size:12px; cursor:pointer; padding:4px 8px; border-radius:6px; transition:color .2s,background .2s; }
.delete-btn:hover { color:var(--red); background:rgba(224,90,90,0.1); }

/* Detail overlay */
.overlay { position:fixed; inset:0; background:rgba(0,0,0,0.7); display:flex; align-items:center; justify-content:center; z-index:100; padding:16px; }
.panel { background:var(--bg-secondary); border:1px solid var(--border-strong); border-radius:20px; width:100%; max-width:520px; max-height:90vh; overflow-y:auto; padding:32px; position:relative; }
.panel-close { position:absolute; top:16px; right:16px; background:none; border:none; color:var(--fg-muted); font-size:18px; cursor:pointer; width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center; transition:background .2s; }
.panel-close:hover { background:rgba(255,255,255,0.07); color:var(--fg); }
.panel-content { font-size:15px; color:var(--fg); margin-bottom:16px; line-height:1.6; word-break:break-word; }
.panel-meta { font-size:12px; color:var(--fg-muted); margin-bottom:24px; display:flex; align-items:center; gap:10px; flex-wrap:wrap; }

/* Status banner */
.status-banner { display:flex; align-items:center; gap:16px; padding:16px 20px; border-radius:14px; margin-bottom:24px; }
.status-banner-pending { background:rgba(201,165,92,0.1); border:1px solid rgba(201,165,92,0.3); }
.status-banner-confirmed { background:rgba(76,175,125,0.1); border:1px solid rgba(76,175,125,0.3); }
.status-icon { width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.status-icon-confirmed { background:var(--green); color:#fff; font-size:18px; }
.status-icon-pending { position:relative; }
.pulse-ring { display:block; width:36px; height:36px; border:3px solid var(--accent); border-radius:50%; animation:pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.15)} }
.status-title { font-size:14px; font-weight:500; color:var(--fg); }
.status-sub { font-size:12px; color:var(--fg-muted); margin-top:2px; }

/* Seal section */
.privacy-notice { font-size:13px; color:var(--fg-muted); margin-bottom:16px; }
.action-row { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:16px; }

/* Verification block */
.vblock { background:var(--bg-card); border:1px solid var(--border); border-radius:14px; padding:20px; margin-bottom:20px; }
.vblock-header { font-size:12px; font-weight:500; letter-spacing:0.1em; text-transform:uppercase; color:var(--accent); margin-bottom:16px; }
.vrow { display:flex; flex-direction:column; gap:6px; margin-bottom:14px; }
.vrow:last-child { margin-bottom:0; }
.vrow-label { font-size:12px; color:var(--fg-muted); }
.vrow-value-wrap { display:flex; align-items:center; gap:8px; min-width:0; }
.vrow-code { font-family:monospace; font-size:12px; color:var(--fg-secondary); word-break:break-all; flex:1; min-width:0; }
.copy-btn { flex-shrink:0; font-size:11px; padding:4px 10px; border-radius:6px; border:1px solid var(--border-strong); background:none; color:var(--fg-muted); cursor:pointer; transition:background .2s,color .2s; white-space:nowrap; }
.copy-btn:hover, .copy-btn.copied { background:var(--accent-glow); color:var(--accent); border-color:var(--accent); }
.explorer-links { display:flex; gap:8px; flex-wrap:wrap; margin-top:12px; }
.explorer-btn { font-size:12px; padding:7px 14px; border-radius:8px; border:1px solid var(--border); background:var(--bg); color:var(--fg-secondary); text-decoration:none; cursor:pointer; transition:border-color .2s,color .2s; display:inline-block; }
.explorer-btn:hover { border-color:var(--accent); color:var(--accent); }
.explorer-btn-verify { border-color:var(--border-strong); color:var(--accent); }
.mempool-btn { color:var(--accent); border-color:var(--border-strong); }

.anchor-block { margin-top:12px; padding-top:12px; border-top:1px solid var(--border); }
.anchor-block .vblock-header { margin-bottom:12px; }
.anchor-spinner { display:inline-block; width:10px; height:10px; border:2px solid var(--accent); border-right-color:transparent; border-radius:50%; animation:pulse 1.6s linear infinite; vertical-align:middle; margin-right:6px; }

/* Celebration state */
.celebration { background:linear-gradient(135deg,rgba(201,165,92,0.1) 0%,rgba(76,175,125,0.08) 100%); border:1px solid rgba(201,165,92,0.3); border-radius:16px; padding:28px; margin-bottom:20px; text-align:center; }
.celebration-icon { font-size:40px; margin-bottom:12px; }
.celebration-title { font-family:'Fraunces',serif; font-size:20px; font-weight:600; color:var(--fg); margin-bottom:8px; }
.celebration-sub { font-size:13px; color:var(--fg-secondary); margin-bottom:20px; }
.celebration-actions { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }

/* Receipt */
.receipt-row { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:12px; }

/* Prior art */
.prior-art-results { margin-top:8px; }
.prior-art-item { background:var(--bg-card); border:1px solid var(--border); border-radius:12px; padding:16px; margin-bottom:10px; }
.prior-art-title { font-size:14px; font-weight:500; color:var(--fg); margin-bottom:4px; }
.prior-art-date { font-size:12px; color:var(--fg-muted); margin-bottom:6px; }
.prior-art-snippet { font-size:12px; color:var(--fg-secondary); line-height:1.5; }
.prior-art-link { display:inline-block; margin-top:8px; font-size:12px; color:var(--accent); text-decoration:none; }
.prior-art-link:hover { text-decoration:underline; }
.no-prior-art { background:rgba(76,175,125,0.08); border:1px solid rgba(76,175,125,0.2); border-radius:12px; padding:16px; color:var(--green); font-size:14px; text-align:center; }
.prior-art-header { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.prior-art-status-badge { display:inline-block; font-size:11px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase; padding:3px 10px; border-radius:100px; flex-shrink:0; }
.badge-clean { background:rgba(76,175,125,0.15); color:var(--green); border:1px solid rgba(76,175,125,0.3); }
.badge-amber { background:rgba(201,165,92,0.15); color:var(--accent); border:1px solid var(--border-strong); }
.prior-art-status-label { font-size:13px; color:var(--fg-secondary); }
.prior-art-number { font-weight:500; color:var(--fg-secondary); }

/* Email modal */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.75); display:flex; align-items:center; justify-content:center; z-index:200; padding:16px; }
.modal { background:var(--bg-secondary); border:1px solid var(--border-strong); border-radius:20px; width:100%; max-width:440px; padding:36px; position:relative; }
.modal-title { font-family:'Fraunces',serif; font-size:24px; font-weight:600; color:var(--fg); margin-bottom:8px; }
.modal-sub { font-size:14px; color:var(--fg-secondary); margin-bottom:24px; line-height:1.6; }
.modal-input { width:100%; padding:14px 18px; font-family:'DM Sans',sans-serif; font-size:15px; color:var(--fg); background:var(--bg-card); border:1px solid var(--border); border-radius:10px; outline:none; margin-bottom:12px; transition:border-color .2s; }
.modal-input:focus { border-color:var(--border-strong); }
.modal-close { position:absolute; top:16px; right:16px; background:none; border:none; color:var(--fg-muted); font-size:18px; cursor:pointer; width:32px; height:32px; border-radius:50%; display:flex; align-items:center; justify-content:center; }
.modal-note { font-size:12px; color:var(--fg-muted); margin-top:10px; }
.modal-success { text-align:center; padding:12px 0; }
.modal-success-icon { font-size:36px; margin-bottom:8px; }
.modal-success-text { font-size:15px; color:var(--green); }

/* Toast */
.toast { position:fixed; bottom:32px; left:50%; transform:translateX(-50%); background:var(--bg-card); border:1px solid var(--border-strong); border-radius:12px; padding:12px 24px; font-size:14px; color:var(--fg); display:flex; align-items:center; gap:10px; z-index:300; animation:slideUp .3s ease; box-shadow:0 8px 32px rgba(0,0,0,0.5); }
.toast-icon { color:var(--green); font-size:16px; }
@keyframes slideUp { from{transform:translateX(-50%) translateY(16px);opacity:0} to{transform:translateX(-50%) translateY(0);opacity:1} }

/* Error */
.error { color:var(--red); font-size:13px; margin:8px 0; padding:10px 16px; background:rgba(224,90,90,0.08); border:1px solid rgba(224,90,90,0.2); border-radius:8px; }

/* Explainer */
.explainer { margin-top:16px; border:1px solid var(--border); border-radius:12px; overflow:hidden; }
.explainer-toggle { width:100%; background:none; border:none; padding:14px 18px; display:flex; justify-content:space-between; align-items:center; cursor:pointer; font-size:14px; color:var(--fg-secondary); text-align:left; }
.explainer-toggle:hover { background:var(--bg-card-hover); color:var(--fg); }
.explainer-body { padding:16px 18px; background:var(--bg-card); font-size:13px; color:var(--fg-secondary); line-height:1.6; }
.explainer-body p { margin-bottom:8px; }
.explainer-body p:last-child { margin-bottom:0; }

/* Inline waitlist capture card (post-seal, post-prior-art) */
.inline-waitlist-card { background:rgba(201,165,92,0.06); border:1px solid var(--border-strong); border-radius:14px; padding:20px; margin:16px 0; }
.iwl-headline { font-size:14px; font-weight:500; color:var(--fg); margin-bottom:6px; }
.iwl-sub { font-size:13px; color:var(--fg-secondary); margin-bottom:14px; line-height:1.5; }
.iwl-row { display:flex; gap:8px; flex-wrap:wrap; }
.iwl-input { flex:1; min-width:180px; padding:11px 16px; font-family:'DM Sans',sans-serif; font-size:14px; color:var(--fg); background:var(--bg-card); border:1px solid var(--border); border-radius:10px; outline:none; transition:border-color .2s; min-height:44px; }
.iwl-input:focus { border-color:var(--border-strong); }
.iwl-btn { min-height:44px; }
.waitlist-success { font-size:14px; color:var(--green); padding:12px 0; }


@media (max-width: 480px) {
  .container { padding:40px 16px 64px; }
  .title { font-size:32px; }
  .panel { padding:24px 18px; }
  .demo-banner { flex-direction:column; gap:6px; }
  .iwl-row { flex-direction:column; }
  .iwl-input, .iwl-btn { width:100%; }
}

.upgrade-prompt {
  background: rgba(201,165,92,0.08);
  border: 1px solid rgba(201,165,92,0.25);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.upgrade-msg {
  font-size: 14px;
  color: #f0ece4;
  line-height: 1.5;
}

/* PDF Certificate paywall modal (locked feature — opens on 402) */
.pdf-paywall-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.pdf-paywall-overlay[hidden] { display: none; }
.pdf-paywall-card {
  background: var(--bg-card);
  border: 1px solid rgba(201,165,92,0.25);
  border-radius: 16px;
  width: 100%;
  max-width: 480px;
  padding: 32px;
  position: relative;
  text-align: left;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.pdf-paywall-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: var(--fg-muted);
  font-size: 18px;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s, color .2s;
}
.pdf-paywall-close:hover { background: rgba(255,255,255,0.07); color: var(--fg); }
.pdf-paywall-headline {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.3;
  padding-right: 24px;
}
.pdf-paywall-sub {
  font-size: 14px;
  color: var(--fg-secondary);
  margin-bottom: 18px;
  line-height: 1.6;
}
.pdf-paywall-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pdf-paywall-bullets li {
  font-size: 14px;
  color: var(--fg-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.pdf-paywall-bullets li::before { content: '✓'; color: var(--accent); font-weight: 600; flex-shrink: 0; margin-top: 1px; }
.pdf-paywall-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px 22px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: opacity .2s;
  margin-bottom: 10px;
}
.pdf-paywall-cta:hover { opacity: 0.88; }
.pdf-paywall-secondary {
  display: block;
  text-align: center;
  font-size: 12px;
  color: var(--fg-muted);
  background: none;
  border: none;
  padding: 8px 0;
  cursor: pointer;
  width: 100%;
  text-decoration: underline;
}
.pdf-paywall-secondary:hover { color: var(--fg-secondary); }

@media (max-width: 480px) {
  .pdf-paywall-card {
    max-width: 100vw;
    border-radius: 12px;
    padding: 24px 16px;
  }
}