/* Base provided */
:root {
  --app-header-height: 48px;
  --app-header-bg: var(--nav-bg);
  --app-header-text: var(--nav-text);
  --app-header-border: var(--border-color);
  --app-header-font-size: 0.88rem;
  --app-header-padding-x: 1rem;
  --app-back-btn-bg: transparent;
  --app-back-btn-color: var(--nav-text);
  --app-back-btn-hover-bg: rgba(255, 255, 255, 0.12);
  --app-back-btn-radius: var(--radius-sm);
  --app-body-bg: var(--bg);
  --app-body-padding: 0;
}

.app-viewer-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  display: flex;
  align-items: center;
  height: var(--app-header-height);
  background: var(--app-header-bg);
  color: var(--app-header-text);
  border-bottom: 1px solid var(--app-header-border);
  padding: 0 var(--app-header-padding-x);
  gap: 0.75rem;
  font-size: var(--app-header-font-size);
  transition: background-color var(--transition-speed, 0.2s) ease,
              border-color var(--transition-speed, 0.2s) ease;
}

.app-viewer-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  background: var(--app-back-btn-bg);
  color: var(--app-back-btn-color);
  border: none;
  border-radius: var(--app-back-btn-radius);
  font-size: inherit;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease;
}

.app-viewer-back:hover,
.app-viewer-back:focus-visible {
  background: var(--app-back-btn-hover-bg);
  color: var(--app-back-btn-color);
  text-decoration: none;
}

.app-viewer-back i { font-size: 1.1em; }

.app-viewer-sep {
  width: 1px;
  height: 1.2rem;
  background: currentColor;
  opacity: 0.25;
  flex-shrink: 0;
}

.app-viewer-name {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.app-viewer-data-link {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm, 4px);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--app-header-text);
  opacity: 0.7;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s ease, background-color 0.15s ease;
  cursor: pointer;
  border: 0;
  background: transparent;
}

.app-viewer-data-link:hover,
.app-viewer-data-link:focus-visible {
  opacity: 1;
  background: var(--app-back-btn-hover-bg);
  color: var(--app-header-text);
  text-decoration: none;
}

.app-viewer-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.app-viewer-body {
  flex: 1;
  background: var(--app-body-bg);
  padding: var(--app-body-padding);
  min-height: calc(100vh - var(--app-header-height));
}

@media (max-width: 575.98px) {
  .app-viewer-header {
    gap: 0.5rem;
    --app-header-padding-x: 0.65rem;
  }
  .app-viewer-back span { display: none; }
  .app-viewer-data-link {
    position: static;
    transform: none;
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
  }
}

/* ============================================================
   Michigan Explorer — App styling (alluring, no floating ghosts)
   ============================================================ */

:root{
  --mi-ink: #0a1324;
  --mi-surface: #0f1c33;
  --mi-card: #0d1a30;
  --mi-border: rgba(255,255,255,.12);
  --mi-text: rgba(255,255,255,.92);
  --mi-muted: rgba(255,255,255,.68);

  --mi-a: #4ee6b1;
  --mi-b: #4da3ff;
  --mi-c: #b58cff;
  --mi-warn: #ffcf5b;
  --mi-bad: #ff6b7a;

  --radius: 16px;
  --radius-sm: 10px;

  --shadow: 0 14px 34px rgba(0,0,0,.35);
  --shadow-soft: 0 10px 22px rgba(0,0,0,.22);
}

/* Make header match the app even if no theme variables exist */
:root{
  --nav-bg: linear-gradient(135deg, rgba(78,230,177,.12), rgba(77,163,255,.10), rgba(181,140,255,.10));
  --nav-text: var(--mi-text);
  --border-color: rgba(255,255,255,.14);
  --bg: radial-gradient(1200px 700px at 15% 10%, rgba(78,230,177,.16), transparent 55%),
        radial-gradient(900px 650px at 80% 25%, rgba(77,163,255,.18), transparent 55%),
        radial-gradient(900px 650px at 65% 85%, rgba(181,140,255,.16), transparent 60%),
        linear-gradient(180deg, #071022, #070d18 55%, #060a12);
}

html, body { height: 100%; }
body{
  margin: 0;
  color: var(--mi-text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
}

.shell{
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 30px;
}

/* Buttons */
.btn{
  appearance: none;
  border: 1px solid var(--mi-border);
  background: rgba(255,255,255,.06);
  color: var(--mi-text);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: .2px;
  transition: transform .08s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover{ background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.18); }
.btn:active{ transform: translateY(1px); }
.btn:focus-visible{ outline: 2px solid rgba(77,163,255,.65); outline-offset: 2px; }

.btn-primary{
  border: 0;
  background: linear-gradient(135deg, rgba(78,230,177,.92), rgba(77,163,255,.92));
  color: #031018;
}
.btn-primary:hover{ filter: brightness(1.03); }

.btn-outline{
  background: rgba(255,255,255,.04);
}

.btn-ghost{
  background: transparent;
}

.linkish{
  background: transparent;
  border: 0;
  color: rgba(255,255,255,.82);
  font-weight: 700;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: 10px;
}
.linkish:hover{ background: rgba(255,255,255,.06); color: #fff; }

/* HERO */
.hero{
  display: grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 16px;
  align-items: stretch;
  margin-top: 6px;
}

.hero-copy{
  border: 1px solid var(--mi-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow-soft);
  padding: 18px 18px 16px;
}

.kicker{
  margin: 0 0 8px;
  color: rgba(255,255,255,.75);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
}

.hero h1{
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  line-height: 1.15;
}

.sub{
  margin: 0 0 14px;
  color: var(--mi-muted);
  line-height: 1.45;
}

.hero-actions{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.hero-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stat{
  border: 1px solid var(--mi-border);
  background: rgba(0,0,0,.18);
  border-radius: 14px;
  padding: 12px 12px;
}
.stat-label{
  color: rgba(255,255,255,.72);
  font-weight: 800;
  font-size: .82rem;
}
.stat-value{
  margin-top: 6px;
  font-size: 1.25rem;
  font-weight: 900;
}

/* HERO CARD */
.hero-card{
  border: 1px solid var(--mi-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(0,0,0,.14));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.hero-card-top{
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  font-weight: 800;
  font-size: .82rem;
  color: rgba(255,255,255,.86);
  white-space: nowrap;
}
.lake-chip{
  background: linear-gradient(135deg, rgba(77,163,255,.26), rgba(78,230,177,.20));
  border: 1px solid rgba(77,163,255,.35);
  color: rgba(255,255,255,.92);
  padding: 7px 10px;
  border-radius: 999px;
  font-weight: 900;
  font-size: .82rem;
}

.hero-card-body{ padding: 14px; display: grid; gap: 12px; }

.feature-title{ font-weight: 950; letter-spacing: .2px; }
.feature-desc{ color: var(--mi-muted); margin-top: 3px; line-height: 1.35; }

.tip{
  border-radius: 14px;
  border: 1px solid rgba(255,207,91,.25);
  background: rgba(255,207,91,.10);
  padding: 12px;
}
.tip-title{ font-weight: 950; color: rgba(255,207,91,.95); }
.tip-body{ color: rgba(255,255,255,.80); margin-top: 4px; }

/* NAV */
.nav{ margin-top: 16px; }
.nav-head{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 10px 2px 12px;
}
.nav-head h2{ margin: 0; font-size: 1.2rem; letter-spacing: .2px; }

.nav-tools{ display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.search input{
  width: min(420px, 80vw);
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--mi-border);
  background: rgba(0,0,0,.18);
  color: var(--mi-text);
  outline: none;
}
.search input:focus{ border-color: rgba(77,163,255,.45); }

.filters{ display: flex; gap: 8px; flex-wrap: wrap; }
.pill{
  border: 1px solid var(--mi-border);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.86);
  border-radius: 999px;
  padding: 8px 10px;
  font-weight: 900;
  cursor: pointer;
}
.pill.is-active{
  border-color: rgba(78,230,177,.45);
  background: linear-gradient(135deg, rgba(78,230,177,.18), rgba(77,163,255,.12));
}

/* GRID + CARDS */
.grid{
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}

.card{
  grid-column: span 4;
  border-radius: var(--radius);
  border: 1px solid var(--mi-border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.18));
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  cursor: pointer;
  transition: transform .10s ease, border-color .15s ease, background-color .15s ease;
  min-height: 148px;
}
.card:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.20);
}
.card:focus-visible{
  outline: 2px solid rgba(77,163,255,.65);
  outline-offset: 2px;
}

.card-top{
  padding: 12px 12px 10px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.card-type{
  font-weight: 950;
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.72);
}
.card-badge{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.18);
  font-weight: 900;
  font-size: .78rem;
  white-space: nowrap;
}
.card-body{ padding: 0 12px 12px; }
.card-title{
  margin: 0 0 6px;
  font-size: 1.02rem;
  line-height: 1.18;
  letter-spacing: .2px;
}
.card-desc{
  margin: 0;
  color: var(--mi-muted);
  line-height: 1.35;
  font-size: .92rem;
}
.card-meta{
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag{
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 6px 10px;
  font-size: .82rem;
  font-weight: 800;
  color: rgba(255,255,255,.80);
}
.tag.done{ border-color: rgba(78,230,177,.35); background: rgba(78,230,177,.10); color: rgba(190,255,235,.95); }
.tag.saved{ border-color: rgba(181,140,255,.35); background: rgba(181,140,255,.10); color: rgba(234,220,255,.95); }

/* PANEL */
.panel{
  margin-top: 14px;
  border: 1px solid var(--mi-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(0,0,0,.20));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-head{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  flex-wrap: wrap;
}

.panel-kicker{
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  color: rgba(255,255,255,.74);
}
.panel-title{ margin: 4px 0 0; font-size: 1.2rem; }
.panel-actions{ display: flex; gap: 8px; flex-wrap: wrap; }

.panel-body{ padding: 14px; }
.content{
  color: rgba(255,255,255,.88);
  line-height: 1.5;
  font-size: 1rem;
}
.content .callout{
  border: 1px solid rgba(77,163,255,.25);
  background: rgba(77,163,255,.08);
  padding: 12px;
  border-radius: 14px;
  margin-top: 12px;
}
.content .callout strong{ color: rgba(200,230,255,.95); }
.content ul{ margin: 10px 0 0 18px; color: rgba(255,255,255,.82); }

/* QUIZ */
.quiz{ margin-top: 14px; }
.quiz-q{
  font-weight: 950;
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.quiz-choices{
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.choice{
  text-align: left;
  border: 1px solid var(--mi-border);
  background: rgba(0,0,0,.18);
  border-radius: 14px;
  padding: 12px 12px;
  cursor: pointer;
  font-weight: 800;
  color: rgba(255,255,255,.88);
}
.choice:hover{ border-color: rgba(255,255,255,.20); background: rgba(255,255,255,.06); }
.choice.is-selected{ border-color: rgba(77,163,255,.55); background: rgba(77,163,255,.12); }
.choice.is-correct{ border-color: rgba(78,230,177,.55); background: rgba(78,230,177,.12); }
.choice.is-wrong{ border-color: rgba(255,107,122,.55); background: rgba(255,107,122,.10); }

.quiz-feedback{
  margin-top: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.04);
  padding: 10px 12px;
  color: rgba(255,255,255,.86);
  min-height: 42px;
}
.quiz-actions{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

/* EARN */
.earn{
  margin-top: 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  padding: 12px;
}
.earn-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
.earn-label{ color: rgba(255,255,255,.70); font-weight: 900; text-transform: uppercase; letter-spacing: .12em; font-size: .74rem; }
.earn-value{ font-weight: 950; font-size: 1.05rem; margin-top: 3px; }
.earn-badges{ display: flex; gap: 8px; flex-wrap: wrap; }
.badge{
  border-radius: 999px;
  padding: 8px 10px;
  border: 1px solid rgba(78,230,177,.25);
  background: rgba(78,230,177,.10);
  color: rgba(200,255,235,.95);
  font-weight: 950;
  font-size: .82rem;
}
.earn-actions{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }

/* PROGRESS */
.progress-top{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.progress-card{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  padding: 14px;
}
.pc-title{
  font-weight: 950;
  color: rgba(255,255,255,.75);
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: .75rem;
}
.pc-value{ font-size: 1.7rem; font-weight: 1000; margin-top: 8px; }
.pc-sub{ color: rgba(255,255,255,.70); margin-top: 4px; font-weight: 700; font-size: .9rem; }

.bar{
  margin-top: 10px;
  height: 10px;
  background: rgba(255,255,255,.07);
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.10);
}
.bar-fill{
  height: 100%;
  background: linear-gradient(90deg, rgba(78,230,177,.95), rgba(77,163,255,.95), rgba(181,140,255,.95));
  width: 0%;
}

.badge-shelf{
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 38px;
}
.badge-pill{
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 7px 10px;
  font-weight: 950;
  font-size: .82rem;
  color: rgba(255,255,255,.82);
}
.badge-pill.is-unlocked{
  border-color: rgba(78,230,177,.30);
  background: rgba(78,230,177,.10);
  color: rgba(210,255,242,.95);
}

.mini{ display: flex; gap: 8px; margin-top: 10px; }
.mini-dot{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.14);
}
.mini-dot.is-on{
  background: rgba(255,207,91,.45);
  border-color: rgba(255,207,91,.55);
}

.progress-lists{
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.list{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
  overflow: hidden;
}
.list-head{
  padding: 12px 12px 10px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.list-head h3{ margin: 0; font-size: 1rem; }
.muted{ color: rgba(255,255,255,.68); font-weight: 700; }
.list-body{ padding: 10px 12px 12px; display: grid; gap: 8px; }
.item-row{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  padding: 10px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.item-row strong{ font-size: .95rem; }
.item-row .mini-actions{ display: flex; gap: 8px; }
.mini-btn{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.10);
  color: rgba(255,255,255,.85);
  border-radius: 12px;
  padding: 7px 9px;
  font-weight: 900;
  cursor: pointer;
}
.mini-btn:hover{ background: rgba(255,255,255,.06); }

.footer{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 10px 2px 0;
}

@media (max-width: 980px){
  .hero{ grid-template-columns: 1fr; }
  .card{ grid-column: span 6; }
  .progress-top{ grid-template-columns: 1fr; }
  .progress-lists{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  .card{ grid-column: span 12; }
  .search input{ width: 100%; }
}