:root {
  color-scheme: dark;
  --bg: #080c0b;
  --panel: rgba(18, 25, 22, 0.86);
  --panel-strong: #121916;
  --line: rgba(211, 230, 218, 0.14);
  --muted: #93a099;
  --text: #f3f6f4;
  --green: #b7f52d;
  --green-soft: rgba(183, 245, 45, 0.14);
  --amber: #ffca66;
  --danger: #f37c67;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { background: var(--bg); scroll-behavior: smooth; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
    radial-gradient(circle at 80% 0%, rgba(100, 143, 58, .12), transparent 31rem),
    var(--bg);
  background-size: 38px 38px, 38px 38px, auto, auto;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; }
button, select { cursor: pointer; }

.ambient {
  position: fixed;
  width: 36rem;
  height: 36rem;
  border: 1px solid rgba(183, 245, 45, .07);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(.2px);
}
.ambient::before, .ambient::after {
  content: "";
  position: absolute;
  inset: 18%;
  border: inherit;
  border-radius: inherit;
}
.ambient::after { inset: 38%; }
.ambient-one { top: -18rem; right: -18rem; }
.ambient-two { bottom: -25rem; left: -23rem; }

.app-shell {
  position: relative;
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: 34px 0 max(30px, env(safe-area-inset-bottom));
}

.hero { padding: 18px 4px 28px; }
.eyebrow, .section-label, .kicker {
  color: var(--green);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 22px; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 16px var(--green); }
.hero-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.kicker { margin: 0 0 5px; color: var(--muted); }
h1 { margin: 0; font-size: clamp(42px, 9vw, 76px); line-height: .92; letter-spacing: -.055em; }
h1 span { color: transparent; -webkit-text-stroke: 1px var(--green); text-shadow: 0 0 40px rgba(183,245,45,.13); }
.hero-copy { max-width: 620px; margin: 20px 0 0; color: #b8c1bc; font-size: 16px; line-height: 1.65; }
.event-update { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 8px 12px; width: fit-content; margin-top: 18px; border: 1px solid rgba(255,202,102,.28); border-radius: 11px; background: rgba(255,202,102,.07); padding: 10px 12px; }
.event-update span { color: var(--amber); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.event-update strong { font-size: 11px; letter-spacing: .06em; }
.event-update p { margin: 0; color: var(--muted); font-size: 11px; }
.icon-button, .close-button {
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.035);
  color: var(--text);
}
.icon-button { width: 44px; height: 44px; border-radius: 50%; }
.icon-button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.icon-button:hover { border-color: rgba(183,245,45,.45); color: var(--green); }

.server-panel, .final-panel, .route-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.server-panel { padding: 19px; }
.select-wrap { position: relative; margin-top: 10px; }
.select-wrap select {
  width: 100%;
  appearance: none;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 12px;
  outline: none;
  background: #0d1311;
  color: var(--text);
  padding: 15px 46px 15px 15px;
  font-weight: 700;
}
.select-wrap select:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(183,245,45,.1); }
.select-wrap svg { position: absolute; right: 15px; top: 50%; width: 20px; transform: translateY(-50%); fill: none; stroke: var(--green); stroke-width: 2; pointer-events: none; }
.progress-row { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 24px; margin-top: 18px; }
.progress-row strong { font-size: 21px; }
.progress-row span { margin-left: 7px; color: var(--muted); font-size: 13px; }
.progress-track { height: 4px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.08); }
.progress-track div { width: 0; height: 100%; border-radius: inherit; background: var(--green); box-shadow: 0 0 15px rgba(183,245,45,.5); transition: width .35s ease; }

.route-section { margin-top: 16px; padding: 20px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 19px; }
h2 { margin: 5px 0 0; font-size: clamp(22px, 5vw, 31px); letter-spacing: -.035em; }
.autosave { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 12px; white-space: nowrap; }
.autosave svg { width: 15px; fill: none; stroke: var(--green); stroke-width: 2.2; }

.stages { position: relative; display: grid; gap: 10px; }
.stage {
  position: relative;
  display: grid;
  grid-template-columns: 50px 1fr auto;
  align-items: center;
  gap: 15px;
  min-height: 83px;
  padding: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255,255,255,.025);
  transition: border-color .2s, background .2s, opacity .2s;
}
.stage.is-active { border-color: rgba(183,245,45,.5); background: linear-gradient(90deg, rgba(183,245,45,.08), rgba(255,255,255,.025)); }
.stage.is-complete { border-color: rgba(183,245,45,.25); }
.stage.is-locked { opacity: .48; }
.stage.is-closed { border-color: rgba(255,202,102,.16); background: rgba(255,202,102,.025); opacity: .64; }
.stage.is-closed .stage-gps strong { color: var(--amber); text-shadow: none; }
.stage-number {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 800;
}
.stage.is-active .stage-number { border-color: var(--green); color: var(--green); box-shadow: inset 0 0 0 4px rgba(183,245,45,.07); }
.stage.is-complete .stage-number { border-color: var(--green); background: var(--green); color: #10150c; }
.stage-title { font-size: 15px; font-weight: 800; }
.stage-gps { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 10px; margin-top: 7px; }
.stage-gps span { color: var(--muted); font-size: 9px; font-weight: 900; letter-spacing: .14em; }
.stage-gps strong { color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 16px; letter-spacing: .045em; text-shadow: 0 0 16px rgba(183,245,45,.18); }
.stage-status { margin-top: 4px; color: var(--muted); font-size: 12px; }
.stage-entry { grid-column: 2 / -1; display: flex; gap: 8px; padding-bottom: 2px; }
.fragment-input {
  min-width: 0;
  flex: 1;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 10px;
  outline: none;
  background: #090e0c;
  color: var(--text);
  padding: 12px 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 16px;
  letter-spacing: .08em;
}
.fragment-input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(183,245,45,.09); }
.confirm-button {
  min-width: 105px;
  border: 0;
  border-radius: 10px;
  background: var(--green);
  color: #10150c;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.confirm-button:hover { filter: brightness(1.08); }
.confirm-button:disabled, .fragment-input:disabled { cursor: not-allowed; }
.stage-edit {
  border: 0;
  background: none;
  color: var(--muted);
  padding: 10px;
  font-size: 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.stage-check { width: 20px; fill: none; stroke: var(--green); stroke-width: 2.2; }
.lock-small { width: 17px; fill: none; stroke: var(--muted); stroke-width: 1.8; }

.final-panel { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 18px; margin-top: 16px; padding: 22px; }
.final-icon { display: grid; place-items: center; width: 54px; height: 54px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.03); }
.final-icon svg { width: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.target-icon { display: none; }
.final-panel.is-locked { color: var(--muted); }
.final-panel.is-unlocked { border-color: rgba(183,245,45,.48); background: linear-gradient(120deg, rgba(183,245,45,.13), rgba(18,25,22,.96) 55%); }
.final-panel.server-complete { border-color: rgba(255,202,102,.34); background: linear-gradient(120deg, rgba(255,202,102,.11), rgba(18,25,22,.96) 55%); }
.final-panel.server-complete .section-label, .final-panel.server-complete .target-icon { color: var(--amber); }
.final-panel.is-unlocked .lock-icon { display: none; }
.final-panel.is-unlocked .target-icon { display: block; color: var(--green); }
.final-copy p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.final-coordinate { display: none; margin-top: 12px; color: var(--green); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: clamp(23px, 6vw, 38px); font-weight: 900; letter-spacing: .08em; text-shadow: 0 0 25px rgba(183,245,45,.22); }
.final-panel.is-unlocked .final-coordinate { display: block; }
.copy-button {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(183,245,45,.42);
  border-radius: 10px;
  background: rgba(183,245,45,.08);
  color: var(--green);
  padding: 11px 13px;
  font-size: 12px;
  font-weight: 800;
}
.copy-button svg { width: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.rules-panel { position: fixed; inset: 0; z-index: 10; display: grid; place-items: center; padding: 20px; background: rgba(3,6,5,.78); opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s; backdrop-filter: blur(12px); }
.rules-panel.is-open { opacity: 1; visibility: visible; }
.rules-card { position: relative; width: min(100%, 560px); border: 1px solid rgba(183,245,45,.27); border-radius: 20px; background: #101613; padding: 28px; box-shadow: 0 30px 100px #000; transform: translateY(10px); transition: transform .2s; }
.rules-panel.is-open .rules-card { transform: translateY(0); }
.close-button { position: absolute; top: 16px; right: 16px; width: 36px; height: 36px; border-radius: 50%; font-size: 24px; line-height: 1; }
.rules-card ul { display: grid; gap: 11px; margin: 22px 0; padding-left: 20px; color: #c4ccc8; line-height: 1.45; }
.rules-card li::marker { color: var(--green); font-weight: 800; }
.reward-callout { display: flex; flex-direction: column; gap: 4px; border-left: 3px solid var(--green); background: var(--green-soft); padding: 14px 16px; }
.reward-callout span { color: var(--green); font-size: 10px; font-weight: 900; letter-spacing: .16em; }
.reward-callout strong { font-size: 15px; }
.privacy-note { margin: 17px 0 0; color: var(--muted); font-size: 12px; line-height: 1.5; }

footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 5px 0; color: #626d67; font-size: 10px; font-weight: 800; letter-spacing: .12em; }
footer button { border: 0; background: none; color: #737f78; font-size: 11px; text-decoration: underline; text-underline-offset: 3px; }
.toast { position: fixed; right: 20px; bottom: max(20px, env(safe-area-inset-bottom)); z-index: 20; padding: 11px 15px; border: 1px solid rgba(183,245,45,.32); border-radius: 10px; background: #131b17; color: var(--text); box-shadow: var(--shadow); font-size: 13px; opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s; }
.toast.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 620px) {
  .app-shell { width: min(100% - 22px, 960px); padding-top: 16px; }
  .hero { padding: 14px 4px 22px; }
  .hero-copy { font-size: 14px; line-height: 1.55; }
  .event-update { grid-template-columns: auto 1fr; width: 100%; }
  .event-update p { grid-column: 1 / -1; }
  .server-panel, .route-section { padding: 15px; }
  .progress-row { grid-template-columns: 1fr; gap: 10px; }
  .section-heading { align-items: flex-end; }
  .autosave { font-size: 10px; }
  .stage { grid-template-columns: 44px 1fr auto; gap: 11px; padding: 12px; }
  .stage-number { width: 40px; height: 40px; }
  .stage-entry { grid-column: 1 / -1; }
  .confirm-button { min-width: 95px; }
  .final-panel { grid-template-columns: 48px 1fr; gap: 14px; padding: 18px 15px; }
  .final-icon { width: 46px; height: 46px; }
  .copy-button { grid-column: 1 / -1; justify-content: center; width: 100%; }
  .rules-card { max-height: calc(100vh - 30px); overflow-y: auto; padding: 24px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}