/* GPX ECHO — 残響の間. Castle black, gold, and the colours the witnesses bring. */
:root {
  --ink: #ece5d3; --dim: #a99f88; --gold: #d4af37; --gold-hi: #f3d27a;
  --bg: #070608; --panel: #100e11; --line: #2a251c;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Shippori Mincho", "Hiragino Mincho ProN", serif; line-height: 1.8; }
a { color: var(--gold-hi); }
.echo-head { text-align: center; padding: 56px 20px 8px; }
.echo-kicker { letter-spacing: .45em; color: var(--gold); font-size: 12px; margin: 0; }
.echo-head h1 { font-size: 40px; margin: 6px 0 10px; font-weight: 600; }
.echo-sub { color: var(--dim); margin: 0 auto; max-width: 640px; }
.echo-sub-en { font-size: 13px; }
.echo-back { margin-top: 14px; font-size: 13px; }
.echo-tally { text-align: center; padding: 18px 20px 0; }
.tally-title { color: var(--dim); font-size: 13px; letter-spacing: .2em; margin: 0 0 8px; }
.tally-chip, .echo-tag { display: inline-block; border: 1px solid var(--line);
  border-radius: 999px; padding: 1px 10px; font-size: 12px; color: var(--gold-hi); margin: 0 3px; }
.echo-form-wrap { max-width: 680px; margin: 30px auto; padding: 24px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.echo-form-wrap h2 { margin-top: 0; font-size: 20px; }
.echo-form label { display: block; margin: 14px 0; font-size: 14px; color: var(--dim); }
.echo-form .hint { display: block; font-size: 12px; }
.echo-form input[type=text], .echo-form textarea, .echo-form select {
  width: 100%; margin-top: 6px; padding: 10px; border-radius: 8px;
  border: 1px solid var(--line); background: #0a090b; color: var(--ink);
  font: inherit; font-size: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.hp { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.echo-submit { width: 100%; padding: 14px; margin-top: 10px; border: 0; border-radius: 10px;
  background: linear-gradient(180deg, var(--gold-hi), var(--gold)); color: #221a05;
  font: inherit; font-weight: 700; letter-spacing: .25em; cursor: pointer; }
.form-note { font-size: 12px; color: var(--dim); text-align: center; }
.echo-list { max-width: 680px; margin: 10px auto 40px; padding: 0 20px; }
.echo-empty { text-align: center; color: var(--dim); padding: 40px 0; }
.echo-post { border: 1px solid var(--line); border-radius: 12px; background: var(--panel);
  padding: 18px 20px; margin: 16px 0; }
.echo-post.featured { border-color: var(--gold); box-shadow: 0 0 24px rgba(212,175,55,.18); }
.echo-featured { color: var(--gold-hi); letter-spacing: .2em; font-size: 12px; margin: 0 0 6px; }
.echo-post-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.echo-name { font-weight: 700; }
.echo-date { color: var(--dim); font-size: 12px; margin-left: auto; }
.echo-mark { width: 26px; height: 26px; color: #6f675a; flex: none; }
.echo-mark circle, .echo-mark path { stroke: currentColor; }
.echo-mark.gold { color: var(--gold); filter: drop-shadow(0 0 5px rgba(212,175,55,.65)); }
.echo-mark.gold.g0 { color: #cbb26a; }
.echo-mark.gold.g2 { color: var(--gold-hi); filter: drop-shadow(0 0 9px rgba(243,210,122,.85)); }
.echo-mark.gold.g3 { color: #fff;
  filter: drop-shadow(0 0 10px rgba(160,220,255,.9)) drop-shadow(0 0 16px rgba(255,160,220,.7)); }
.echo-lv { font-size: 11px; border: 1px solid; border-radius: 999px; padding: 0 8px;
  letter-spacing: .08em; font-weight: 700; }
.echo-lv.lv-max { color: #fff; border-color: transparent;
  background: linear-gradient(90deg,#f55,#ff5,#5f5,#55f,#f5f); }
.echo-body { margin: 10px 0 4px; font-size: 17px; white-space: normal; }
.echo-body.w1 { font-weight: 400; } .echo-body.w2 { font-weight: 600; } .echo-body.w3 { font-weight: 800; }
.rainbow-text { background: linear-gradient(90deg,#ff6b6b,#ffa94d,#ffd43b,#69db7c,#4dabf7,#b197fc,#ff6b6b);
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.echo-reply { margin-top: 12px; border-left: 3px solid var(--gold); padding: 4px 12px;
  background: rgba(212,175,55,.06); }
.echo-reply .reply-mark { color: var(--gold-hi); font-size: 11px; letter-spacing: .3em; }
.echo-reply p { margin: 2px 0; }
.echo-status { font-size: 13px; color: var(--dim); }
.read-mark { color: var(--gold-hi); }
.key-url code { word-break: break-all; color: var(--gold-hi); }
.unread { color: #ff9d5c; font-size: 12px; }
.admin-actions a { font-size: 13px; }
.admin-form { display: inline-flex; gap: 8px; margin: 6px 8px 0 0; flex-wrap: wrap; }
.admin-form button { background: #1b181d; color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; font: inherit; font-size: 13px; }
.admin-form input[type=text] { background: #0a090b; color: var(--ink); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 10px; min-width: 220px; font: inherit; font-size: 13px; }
.echo-foot { text-align: center; color: var(--dim); font-size: 12px; padding: 30px 20px 50px; }
/* The seal ceremony: at the moment of engraving, the check rises in light. */
.seal-ceremony { position: fixed; inset: 0; z-index: 60; display: flex; flex-direction: column;
  align-items: center; justify-content: center; background: rgba(4,3,5,.88);
  animation: sealFade 2.6s ease forwards; pointer-events: none; }
.seal-ceremony .echo-mark { width: 120px; height: 120px; color: var(--gold-hi);
  filter: drop-shadow(0 0 18px rgba(243,210,122,.95)) drop-shadow(0 0 46px rgba(212,175,55,.6));
  animation: sealRise 1.6s ease; }
.seal-light { position: absolute; width: 340px; height: 340px; border-radius: 50%;
  background: radial-gradient(circle, rgba(243,210,122,.35), transparent 65%);
  animation: sealGlow 2.2s ease; }
.seal-word { color: var(--gold-hi); letter-spacing: .4em; margin-top: 18px; animation: sealRise 1.8s ease; }
@keyframes sealRise { from { opacity: 0; transform: translateY(16px) scale(.92); } to { opacity: 1; transform: none; } }
@keyframes sealGlow { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: scale(1.15); } }
@keyframes sealFade { 0%, 78% { opacity: 1; } 100% { opacity: 0; visibility: hidden; } }
/* The rainbow eruption — only at the moment a tip lands (stage 4 adds .erupt). */
.lv-erupt { animation: erupt 1.8s ease; }
@keyframes erupt {
  0% { box-shadow: 0 0 0 rgba(255,255,255,0); transform: scale(1); }
  30% { box-shadow: 0 0 34px rgba(255,215,130,.95), 0 0 70px rgba(150,200,255,.7); transform: scale(1.25); }
  100% { box-shadow: 0 0 0 rgba(255,255,255,0); transform: scale(1); }
}
.pw-ja { -webkit-text-security: disc; text-security: disc; }