/* ==========================================================================
   NEX.io — Design System (DARK LUMINOUS GLASS)
   Tokens → Base → Layout → Typography → Components → Screens → Responsive
   Direction: atmospheric dark background → frosted glass surfaces → bright
   typography → green premium accent. Not black. Not neon. Not gamer.
   ========================================================================== */

:root{
  /* ---- Color · Primary (verde NEX.io) — vibrant, sophisticated, not neon ---- */
  --nex-200: #BFF3DC;
  --nex-400: #57E0AC;
  --nex-500: #2ECC8F;
  --nex-600: #22AD79;
  --nex-700: #1B8A63;
  --nex-900: #0F5C34;
  --nex-glow: rgba(46,204,143,.28);

  /* ---- Color · Tinted "success/selected" glass (translucent green, not solid) ---- */
  --tint-bg: rgba(46,204,143,.15);
  --tint-bg-strong: rgba(46,204,143,.24);
  --tint-border: rgba(46,204,143,.45);
  --tint-text: #A8F3D2;

  /* ---- Atmosphere — the dark-but-luminous backdrop of the whole app ---- */
  --atmosphere:
    radial-gradient(760px 480px at 12% -8%, rgba(46,204,143,.16), transparent 55%),
    radial-gradient(680px 520px at 96% 14%, rgba(64,190,196,.11), transparent 52%),
    radial-gradient(620px 460px at 26% 104%, rgba(46,204,143,.07), transparent 50%),
    linear-gradient(150deg, #0D1B18 0%, #11241F 45%, #0E1A17 100%);

  /* ---- Color · Glass surfaces (translucent light over the dark atmosphere) ---- */
  --surface: rgba(255,255,255,.08);
  --surface-2: rgba(0,0,0,.16);
  --surface-3: rgba(255,255,255,.13);
  --surface-sunken: rgba(255,255,255,.045);
  --surface-ink: rgba(0,0,0,.34);
  --border: rgba(255,255,255,.13);
  --border-strong: rgba(255,255,255,.22);
  --border-on-ink: rgba(255,255,255,.14);
  --sheen: inset 0 1px 0 rgba(255,255,255,.07);

  /* ---- Blur recipes ---- */
  --blur-sm: blur(10px) saturate(140%);
  --blur-md: blur(18px) saturate(150%);
  --blur-lg: blur(28px) saturate(160%);

  /* ---- Color · Text (bright within the dark, never low-contrast) ---- */
  --text-1: #F5F9F7;
  --text-2: #BAC9C3;
  --text-3: #8CA098;
  --text-on-ink: #F4FBF6;
  --text-on-ink-dim: rgba(244,251,246,.7);

  /* ---- Color · Feedback ---- */
  --danger-500: #FF6B73;
  --danger-100: #2A1216;
  --danger-tint: rgba(255,107,115,.16);
  --amber-500: #F0B93D;
  --amber-tint: rgba(240,185,61,.18);

  /* ---- Radius ---- */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 20px;
  --r-full: 999px;

  /* ---- Shadow — soft grounding, not heavy ---- */
  --sh-xs: 0 1px 2px rgba(0,0,0,.22);
  --sh-sm: 0 10px 26px rgba(0,0,0,.22), 0 2px 6px rgba(0,0,0,.16);
  --sh-md: 0 18px 40px rgba(0,0,0,.28);
  --sh-lg: 0 30px 70px rgba(0,0,0,.36);
  --sh-nex: 0 10px 26px rgba(46,204,143,.28);
  --sh-nex-sm: 0 5px 13px rgba(46,204,143,.22);

  /* ---- Spacing scale ---- */
  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 22px; --sp-6: 26px; --sp-7: 34px; --sp-8: 42px;

  /* ---- Typography ---- */
  --font-display: "Sora", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  /* ---- Motion ---- */
  --ease: cubic-bezier(.22,.8,.22,1);
  --dur-1: 120ms;
  --dur-2: 200ms;
  --dur-3: 340ms;
}

/* ==========================================================================
   Base
   ========================================================================== */
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;color:var(--text-1);font-family:var(--font-body)}
body{
  display:flex;justify-content:center;overflow:hidden;
  background:var(--atmosphere);
  background-color:#0E1A17;
}
button{font-family:inherit}
::-webkit-scrollbar{width:0;display:none}
.scrollable{overflow-y:auto;overflow-x:hidden;scrollbar-width:none}

#app{
  width:100%;max-width:472px;height:100%;height:100dvh;
  background:var(--atmosphere);
  position:relative;overflow:hidden;
  box-shadow:0 0 0 1px rgba(255,255,255,.06), 0 30px 80px rgba(0,0,0,.55);
}

.view{position:absolute;inset:0;display:none;flex-direction:column;background:var(--atmosphere);z-index:5}
.view.on{display:flex;z-index:10;animation:nex-in var(--dur-3) var(--ease)}
/* the scrollable content region of a view — the footbar (.nav) lives OUTSIDE this,
   as a sibling, so it never scrolls away and never gets hidden. */
.view-body{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;scrollbar-width:none;position:relative;z-index:1}
.view-body::-webkit-scrollbar{width:0;display:none}

/* decorative, fixed, low-opacity backdrop — sits behind the scrollable content,
   never moves, never affects spacing/layout of existing elements. */
.map-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.map-bg img{position:absolute;left:0;top:-22%;width:100%;height:100%;object-fit:cover;object-position:50% 50%;opacity:.92;filter:saturate(1.05);-webkit-mask-image:linear-gradient(to bottom, #000 0%, #000 86%, transparent 99%);mask-image:linear-gradient(to bottom, #000 0%, #000 86%, transparent 99%)}
.map-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(8,17,15,.05) 0%, rgba(8,17,15,.2) 55%, rgba(8,17,15,.6) 100%),
    var(--atmosphere);
  mix-blend-mode:normal;opacity:.42;
}
@keyframes nex-in{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:none}}
@keyframes nex-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes nex-pulse{0%{box-shadow:0 0 0 0 var(--nex-glow)}70%{box-shadow:0 0 0 14px rgba(46,204,143,0)}100%{box-shadow:0 0 0 0 rgba(46,204,143,0)}}
@keyframes nex-pop{0%{transform:scale(.7);opacity:0}60%{transform:scale(1.06)}100%{transform:scale(1);opacity:1}}
@keyframes nex-shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(5px)}60%{transform:translateX(-4px)}80%{transform:translateX(3px)}}
@keyframes nex-fill-in{from{transform:scaleX(0)}to{transform:scaleX(1)}}

/* ==========================================================================
   Typography system
   Eyebrow → Title → Subtitle → Context → Prompt → Microcopy → CTA
   ========================================================================== */
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-display);font-size:11px;font-weight:600;
  letter-spacing:.11em;text-transform:uppercase;color:var(--text-3);
}
.eyebrow i{font-size:13px;color:var(--nex-500)}
.eyebrow.on-ink{color:var(--text-on-ink-dim)}
.eyebrow.on-ink i{color:var(--nex-200)}

.screen-title{font-family:var(--font-display);font-weight:800;letter-spacing:-.02em;color:var(--text-1)}
.screen-sub{color:var(--text-2);font-weight:500;line-height:1.45}

/* instruction pill — the "what to do" microcopy, visually a tag, not a button */
.instruction-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--tint-bg);color:var(--tint-text);
  border:1px solid var(--tint-border);
  backdrop-filter:var(--blur-sm);-webkit-backdrop-filter:var(--blur-sm);
  padding:7px 13px 7px 10px;border-radius:var(--r-full);
  font-size:12.5px;font-weight:700;letter-spacing:.01em;
  margin-bottom:var(--sp-4);
}
.instruction-tag i{font-size:15px}
.instruction-tag.tone-danger{background:var(--danger-tint);color:var(--danger-500);border-color:rgba(255,107,115,.28)}

/* the enunciado / prompt — flat, recessed, informational. never looks clickable,
   never glass (glass = interactive language in this system). */
.prompt-card{
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:var(--sp-5);
  margin-bottom:var(--sp-5);
}
.prompt-card .prompt-label{
  display:flex;align-items:center;gap:6px;
  font-size:10.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-3);margin-bottom:var(--sp-2);
}
.prompt-text{
  font-family:var(--font-display);
  font-size:19px;font-weight:700;line-height:1.36;color:var(--text-1);
  letter-spacing:-.005em;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  border:0;border-radius:var(--r-sm);
  padding:15px 22px;font-size:14.5px;font-weight:700;font-family:var(--font-display);
  letter-spacing:.02em;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  transition:transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease), background var(--dur-1) var(--ease), opacity var(--dur-1) var(--ease);
  -webkit-tap-highlight-color:transparent;
}
.btn-block{width:100%}
.btn-lg{padding:16px 22px;font-size:15px}

.btn-primary{
  background:linear-gradient(180deg,var(--nex-500),var(--nex-600));
  color:#0A1712;box-shadow:var(--sh-nex);
}
.btn-primary:hover{box-shadow:var(--sh-nex), var(--sh-sm);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0px) scale(.99);box-shadow:var(--sh-nex-sm)}
.btn-primary[disabled]{background:var(--surface-sunken);color:var(--text-3);box-shadow:none;cursor:not-allowed;transform:none}

.btn-ghost{
  background:var(--surface);color:var(--text-1);
  border:1px solid var(--border-strong);box-shadow:var(--sh-xs);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
}
.btn-ghost:hover{border-color:var(--nex-500);color:var(--nex-400);background:var(--surface-3);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}

.btn-on-ink{
  background:rgba(255,255,255,.16);color:#fff;
  border:1px solid rgba(255,255,255,.24);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
}
.btn-on-ink:hover{background:rgba(255,255,255,.22)}

.btn-danger-outline{background:var(--surface);color:var(--danger-500);border:1px solid rgba(255,107,115,.32);backdrop-filter:var(--blur-md)}

.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:var(--surface);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  color:var(--text-2);font-size:17px;box-shadow:var(--sh-xs);
  transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.icon-btn:hover{border-color:var(--border-strong);background:var(--surface-3);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}

/* ==========================================================================
   Chips / Pills / Badges
   ========================================================================== */
.pill{
  display:flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:800;color:var(--text-1);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:7px 12px;border-radius:var(--r-full);box-shadow:var(--sh-xs);
}
.pill i{color:var(--nex-500);font-size:14px}
.pill.fire i{color:var(--amber-500)}
.pill.on-ink{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.22);color:#fff}
.pill.on-ink i{color:var(--nex-200)}

/* ==========================================================================
   App shell · Topbar · Bottom nav (floating glass navigation)
   ========================================================================== */
.topbar{
  padding:20px 20px 10px;display:flex;justify-content:space-between;align-items:center;
  position:sticky;top:0;z-index:4;
  background:linear-gradient(180deg, rgba(13,26,23,.62), rgba(13,26,23,.34));
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  border-bottom:1px solid var(--border);
}
.brand-lockup{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(155deg,var(--nex-500),var(--nex-700));
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;color:#0A1712;font-size:14px;
  box-shadow:var(--sh-nex-sm);flex:none;
}
.brand-text{line-height:1}
.brand-text b{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--text-1)}
.brand-text b .dot{color:var(--nex-400)}
.brand-text>span{display:block;margin-top:2px;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);font-weight:700}

.topbar-right{display:flex;align-items:center;gap:10px}
.avatar-btn{
  position:relative;width:38px;height:38px;border-radius:50%;flex:none;padding:0;cursor:pointer;
  border:1.5px solid var(--nex-600);background:var(--surface-2);
  box-shadow:0 0 0 3px rgba(46,204,143,.14);
  transition:transform var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.avatar-btn img{width:100%;height:100%;border-radius:50%;object-fit:cover}
.avatar-btn:hover{transform:translateY(-1px);box-shadow:0 0 0 4px rgba(46,204,143,.2)}
.avatar-caret{
  position:absolute;right:-3px;bottom:-3px;width:15px;height:15px;border-radius:50%;
  background:var(--surface-3);border:1.5px solid rgba(13,26,23,.9);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-size:8px;
}

/* the footbar is a normal (non-scrolling) flex sibling of .view-body — it never
   scrolls away, is never hidden, and always sits at the bottom of the viewport. */
.nav{
  flex:none;position:relative;z-index:50;
  margin:0 14px calc(12px + env(safe-area-inset-bottom, 0px));
  height:64px;border-radius:22px;padding:0 6px;
  display:flex;justify-content:space-around;align-items:center;
  background:rgba(11,23,20,.58);
  backdrop-filter:var(--blur-lg);-webkit-backdrop-filter:var(--blur-lg);
  border:1px solid var(--border);
  box-shadow:0 18px 40px rgba(0,0,0,.32), var(--sheen);
}
.nav button{
  flex:1;height:50px;border:0;background:none;color:var(--text-3);
  font-size:10.5px;font-weight:700;letter-spacing:.02em;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  cursor:pointer;border-radius:var(--r-sm);transition:color var(--dur-1) var(--ease);
}
.nav button i{font-size:20px;transition:transform var(--dur-1) var(--ease)}
.nav button.on{color:var(--nex-400)}
.nav button.on i{transform:translateY(-1px)}

/* ==========================================================================
   HOME
   ========================================================================== */
.home-scroll{padding:0 0 20px}

.hero{
  margin:6px 18px 16px;border-radius:24px;
  position:relative;overflow:hidden;min-height:260px;color:var(--text-on-ink);
  box-shadow:var(--sh-lg);
  border:1px solid rgba(255,255,255,.08);
  display:flex;align-items:stretch;
}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;object-position:78% 50%}
.hero-scrim{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg, rgba(9,20,17,.94) 0%, rgba(9,20,17,.78) 34%, rgba(9,20,17,.28) 58%, rgba(9,20,17,.08) 78%),
    linear-gradient(0deg, rgba(6,14,12,.55), transparent 45%);
}
.hero-content{position:relative;z-index:2;padding:22px 18px 22px 20px;display:flex;flex-direction:column;max-width:66%}
.hero-tag{
  margin-bottom:14px;align-self:flex-start;
  background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);color:var(--text-on-ink);
}
.hero-tag i{color:var(--nex-400)}
.hero h1{
  font-family:var(--font-display);font-size:25px;line-height:1.15;font-weight:800;
  margin-bottom:14px;letter-spacing:-.02em;
}
.hero-progress{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.bar{flex:1;height:7px;background:rgba(255,255,255,.16);border-radius:var(--r-full);overflow:hidden;max-width:150px}
.bar>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--nex-400),var(--nex-200));border-radius:var(--r-full);transition:width .6s var(--ease)}
.hero-progress b{font-size:12.5px;font-weight:800;color:#fff;flex:none}
.hero-desc{font-size:13px;line-height:1.48;color:var(--text-on-ink-dim);font-weight:500;margin-bottom:18px;max-width:96%}
.hero .btn{width:auto;align-self:flex-start}

.stat-hud{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:0 18px 18px}
.stat-hud .tile{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:13px 12px;text-align:left;box-shadow:var(--sh-xs), var(--sheen);
  border:0;font-family:inherit;cursor:pointer;display:flex;flex-direction:column;gap:8px;
  transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.stat-hud .tile:hover{transform:translateY(-2px)}
.tile-top{display:flex;align-items:center;justify-content:space-between}
.tile-icon{
  width:26px;height:26px;border-radius:50%;flex:none;
  background:var(--tint-bg);border:1px solid var(--tint-border);
  display:flex;align-items:center;justify-content:center;color:var(--nex-400);font-size:13px;
}
.tile-chevron{font-size:12px;color:var(--text-3)}
.stat-hud .tile b{display:block;font-family:var(--font-display);font-size:19px;font-weight:800;color:var(--text-1);line-height:1}
.tile-label{display:block;font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--nex-400)}
.tile-sub{display:block;font-size:10.5px;font-weight:600;color:var(--text-3);margin-top:-4px}

.section-heading{
  display:flex;align-items:center;justify-content:space-between;
  margin:6px 18px 10px;
}
.section-heading .eyebrow{color:var(--text-2)}

.mascot-tip{
  margin:0 18px 4px;display:flex;gap:12px;align-items:center;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:14px;box-shadow:var(--sh-xs), var(--sheen);
}
.mascot-tip-avatar{
  width:52px;height:52px;border-radius:50%;flex:none;overflow:hidden;
  background:var(--surface-2);border:1.5px solid var(--nex-600);
  box-shadow:0 0 0 3px rgba(46,204,143,.12);
}
.mascot-tip-avatar img{width:100%;height:100%;object-fit:contain;padding:4px}
.mascot-tip .bubble{flex:1;min-width:0}
.mascot-tip .bubble p{font-size:12.5px;color:var(--text-2);font-weight:600;line-height:1.35;margin-top:1px}
.mascot-tip .bubble b{display:block;font-size:14px;color:var(--text-1);font-weight:800;line-height:1.28}
.tip-label{display:block;font-size:10.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--nex-400);margin-bottom:2px}
.tip-arrow{
  flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--border);
  background:var(--surface-2);color:var(--text-1);display:flex;align-items:center;justify-content:center;
  font-size:14px;cursor:pointer;transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.tip-arrow:hover{transform:translateX(2px);border-color:var(--nex-500);color:var(--nex-400)}

/* ==========================================================================
   MAP — a learning world: atmosphere, nodes, lines, light, states
   ========================================================================== */
.path{padding:10px 0 24px;position:relative}
.node-row{position:relative;height:136px;display:flex;align-items:center}
.path-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.path-svg path{fill:none;stroke:rgba(255,255,255,.09);stroke-width:5;stroke-linecap:round}
.path-svg path.on{stroke:var(--nex-500)}

.node-wrap{position:absolute;top:50%;display:flex;align-items:center;gap:10px;transform:translate(-50%,-50%);max-width:88%}
.node-wrap.side-l{left:33.75%;flex-direction:row}
.node-wrap.side-r{left:66.25%;flex-direction:row-reverse}

.node{
  position:relative;width:64px;height:64px;flex:none;border-radius:20px;
  background:var(--surface);border:1.5px solid var(--border-strong);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-3);cursor:pointer;box-shadow:var(--sh-sm), var(--sheen);
  transition:transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease), background var(--dur-2) var(--ease);
}
.node:disabled{cursor:default}
.node-n{font-family:var(--font-display);font-size:18px;font-weight:800;letter-spacing:-.02em}
.node i{font-size:22px}

.node.done{background:linear-gradient(165deg,var(--tint-bg-strong),var(--tint-bg));border-color:var(--nex-600);color:var(--tint-text)}
.node.done::after{
  content:"\ea54";font-family:"Phosphor-Fill";position:absolute;right:-4px;bottom:-4px;
  width:20px;height:20px;border-radius:50%;background:var(--nex-500);color:#0A1712;
  font-size:11px;display:flex;align-items:center;justify-content:center;border:2px solid #0E1A17;
}
.node.now{
  width:72px;height:72px;color:#0A1712;border-color:transparent;
  background:linear-gradient(160deg,var(--nex-400),var(--nex-700));
  box-shadow:var(--sh-nex);animation:nex-pulse 2.6s infinite;
}
.node.lock{opacity:.5;border-style:dashed;box-shadow:none}
.node.lock .node-n{display:none}

.node-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:9px 13px;box-shadow:var(--sh-xs), var(--sheen);min-width:0;flex:1 1 auto;
  transition:transform var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}
.side-r .node-card{text-align:right}
.node-card .n{font-size:10.5px;font-weight:800;letter-spacing:.08em;color:var(--nex-400)}
.node-card .t{font-family:var(--font-display);font-size:13.5px;font-weight:700;line-height:1.22;color:var(--text-1);margin-top:2px}
.node-wrap.is-current .node-card{border-color:var(--nex-500);box-shadow:var(--sh-sm), var(--sheen)}
.node-wrap.is-locked .node-card{opacity:.55}
.node-wrap.is-clickable:hover .node-card{transform:translateY(-2px);border-color:var(--border-strong)}
.node-wrap.is-clickable:hover .node{transform:translateY(-2px)}

.current-flag{
  display:inline-flex;align-items:center;gap:4px;margin-top:4px;
  font-size:9.5px;font-weight:800;letter-spacing:.08em;color:var(--tint-text);
  background:var(--tint-bg);padding:2px 7px;border-radius:var(--r-full);
}

/* overview strip above the path — gives the map a clear sense of overall progress */
.map-overview{
  margin:0 18px 14px;padding:14px 16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  box-shadow:var(--sh-xs), var(--sheen);
}
.map-overview-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:9px}
.map-overview-label{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--text-2)}
.map-overview-label i{color:var(--nex-500);font-size:13px}
.map-overview-row b{font-family:var(--font-display);font-size:14px;font-weight:800;color:var(--nex-400)}
.map-overview .bar{max-width:none}
.map-overview-sub{display:block;margin-top:8px;font-size:11.5px;font-weight:600;color:var(--text-3)}

/* ==========================================================================
   PROFILE
   ========================================================================== */
.profile-body{padding:18px 18px 24px}
.profile-card{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:26px 20px;margin-bottom:16px;box-shadow:var(--sh-sm), var(--sheen);
}
.profile-banner{position:absolute;top:0;left:0;right:0;height:118px;z-index:0;overflow:hidden}
.profile-banner img{width:100%;height:100%;object-fit:cover;object-position:62% 35%}
.profile-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(11,23,20,.15) 0%, rgba(11,23,20,.55) 65%, var(--surface-ink) 100%);
}
.profile-avatar{
  position:relative;z-index:1;
  width:84px;height:84px;border-radius:50%;margin:66px 0 8px;overflow:hidden;
  background:var(--surface-2);border:2px solid var(--nex-600);box-shadow:0 0 0 5px rgba(11,23,20,.85), 0 0 0 7px rgba(46,204,143,.14);
}
.profile-card h2,.profile-card span{position:relative;z-index:1}
.profile-avatar img{width:100%;height:100%;object-fit:contain;padding:6px}
.profile-card h2{font-family:var(--font-display);font-size:19px;font-weight:800;color:var(--text-1)}
.profile-card span{font-size:12.5px;color:var(--text-3);font-weight:600}
.settings-list{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.settings-row{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:14px 15px;cursor:pointer;font-family:inherit;color:var(--text-1);box-shadow:var(--sh-xs);
  transition:transform var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.settings-row:hover{transform:translateY(-1px);background:var(--surface-3)}
.settings-row>i:first-child{color:var(--nex-500);font-size:18px}
.settings-row span{flex:1;font-size:13.5px;font-weight:700}
.settings-row>i:last-child{color:var(--text-3);font-size:14px}

/* ==========================================================================
   PROGRESS
   ========================================================================== */
.progress-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.progress-bg img{position:absolute;left:0;top:-22%;width:100%;height:100%;object-fit:cover;object-position:50% 50%;opacity:.92;filter:saturate(1.05);-webkit-mask-image:linear-gradient(to bottom, #000 0%, #000 86%, transparent 99%);mask-image:linear-gradient(to bottom, #000 0%, #000 86%, transparent 99%)}
.progress-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(8,17,15,.05) 0%, rgba(8,17,15,.2) 55%, rgba(8,17,15,.6) 100%),
    var(--atmosphere);
  mix-blend-mode:normal;opacity:.42;
}

.progress-overview{
  margin:6px 18px 16px;display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:16px 18px;box-shadow:var(--sh-sm), var(--sheen);
}
.progress-ring{
  --pct:0;flex:none;width:66px;height:66px;border-radius:50%;position:relative;
  background:conic-gradient(var(--nex-500) calc(var(--pct)*1%), var(--surface-2) 0);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-xs);
}
.progress-ring::before{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--surface-2)}
.progress-ring span{position:relative;z-index:1;font-family:var(--font-display);font-weight:800;font-size:14px;color:var(--text-1)}
.progress-overview-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}
.progress-overview-info b{font-family:var(--font-display);font-size:14.5px;font-weight:800;color:var(--text-1);line-height:1.25}
.progress-overview-info span{font-size:12px;font-weight:600;color:var(--text-3)}

.list{padding:10px 18px 24px}
.unit-row{
  display:flex;align-items:center;gap:12px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:13px 14px;margin-bottom:10px;box-shadow:var(--sh-xs), var(--sheen);
}
.unit-row .u-badge{
  width:36px;height:36px;border-radius:var(--r-sm);flex:none;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:13px;
  background:var(--surface-2);color:var(--text-3);
}
.unit-row.is-done .u-badge{background:var(--tint-bg);color:var(--tint-text)}
.unit-row .u-body{flex:1;min-width:0}
.unit-row .u-body h3{font-size:14px;font-weight:700;color:var(--text-1)}
.unit-row .u-body span{font-size:12px;color:var(--text-3);font-weight:600}
.status-chip{
  font-size:10.5px;font-weight:800;letter-spacing:.04em;padding:5px 10px;border-radius:var(--r-full);flex:none;
}
.status-chip.done{background:var(--tint-bg);color:var(--tint-text)}
.status-chip.avail{background:var(--surface-2);color:var(--text-2)}
.status-chip.locked{background:var(--surface-2);color:var(--text-3)}

.review-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:16px;margin-top:6px;box-shadow:var(--sh-xs), var(--sheen);
}
.review-card h3{font-size:13.5px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:6px;color:var(--text-1)}
.review-card h3 i{color:var(--amber-500)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag-row .tag{
  background:var(--amber-tint);color:var(--amber-500);font-size:12px;font-weight:700;
  padding:6px 11px;border-radius:var(--r-full);
}

/* ==========================================================================
   INTRO
   ========================================================================== */
.intro{padding:14px 22px 108px;display:flex;flex-direction:column;align-items:center;text-align:center;height:100%}
.intro-top{width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.intro-stage{
  width:100%;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;padding:6px 0 10px;
}
.intro-eyebrow{margin-bottom:2px}
.intro h2{font-family:var(--font-display);font-size:26px;font-weight:800;line-height:1.16;letter-spacing:-.02em;color:var(--text-1)}
.intro p{color:var(--text-2);font-size:15px;line-height:1.44;max-width:300px;font-weight:500}

.mascot-frame{width:158px;height:158px;position:relative}
.mascot-frame .glow{position:absolute;inset:8%;background:radial-gradient(circle,var(--nex-glow),transparent 70%);filter:blur(18px)}
.mascot-frame img{width:100%;height:100%;object-fit:contain;position:relative;z-index:2;filter:drop-shadow(0 14px 18px rgba(0,0,0,.35));animation:nex-float 3.4s ease-in-out infinite}

.stat-row{display:flex;gap:10px;width:100%}
.stat{
  flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:13px;display:flex;flex-direction:column;gap:5px;align-items:center;box-shadow:var(--sh-xs), var(--sheen);
}
.stat b{font-family:var(--font-display);font-size:15px;font-weight:800;display:flex;align-items:center;gap:6px;color:var(--text-1)}
.stat b i{color:var(--nex-500)}
.stat span{font-size:10.5px;font-weight:700;color:var(--text-3);text-transform:uppercase;letter-spacing:.06em}

.dock{
  position:absolute;bottom:0;left:0;right:0;padding:16px 20px 20px;z-index:50;
  background:linear-gradient(180deg,rgba(14,26,23,0),rgba(14,26,23,.86) 42%);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}

/* ==========================================================================
   LESSON — exercise container
   ========================================================================== */
.lesson-top{padding:16px 18px 12px;display:flex;align-items:center;gap:12px}
.track{flex:1;height:9px;background:var(--surface-sunken);border-radius:var(--r-full);overflow:hidden;display:flex;gap:4px;padding:2px}
.track-seg{flex:1;background:transparent;border-radius:var(--r-full);position:relative;overflow:hidden}
.track-seg::before{content:"";position:absolute;inset:0;background:var(--surface);border-radius:inherit}
.track-seg.filled::before{background:linear-gradient(90deg,var(--nex-400),var(--nex-600))}

.stage{flex:1;overflow:auto;padding:10px 20px 172px}

.exercise-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.exercise-head .eyebrow i{color:var(--nex-500)}

.context-visual{
  border-radius:var(--r-md);margin-bottom:var(--sp-4);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--sh-xs);
}
.context-visual img{display:block;width:100%;height:148px;object-fit:cover}

/* concept / learn card */
.learn-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:22px 20px;box-shadow:var(--sh-sm), var(--sheen);
}
.learn-card .prompt-text{font-size:22px;margin:2px 0 14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip-tag{
  background:var(--tint-bg);color:var(--tint-text);padding:7px 12px;border-radius:var(--r-full);
  font-size:12.5px;font-weight:700;border:1px solid var(--tint-border);
}
.formula-box{
  background:var(--surface-ink);color:var(--text-on-ink);border-radius:var(--r-sm);
  padding:14px 16px;text-align:center;margin-bottom:14px;
  font-family:var(--font-display);font-weight:700;font-size:13.5px;letter-spacing:.02em;
  box-shadow:inset 0 0 0 1px rgba(46,204,143,.16);
}
.lead{color:var(--text-2);font-size:15px;line-height:1.55;font-weight:500}

/* clue cards for "whoami" */
.clue-list{margin-bottom:16px;display:flex;flex-direction:column;gap:8px}
.clue{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:12px 13px;font-size:13.5px;font-weight:600;color:var(--text-2);box-shadow:var(--sh-xs);
}
.clue i{color:var(--nex-500);font-size:15px;margin-top:1px;flex:none}

/* ==========================================================================
   Answer system — the one true interactive card component (glass, elevated)
   ========================================================================== */
.answers{display:flex;flex-direction:column;gap:12px}
.answers.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}

.answer-card{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:14px 15px;cursor:pointer;font-family:inherit;color:var(--text-1);
  box-shadow:var(--sh-xs), var(--sheen);
  transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease), box-shadow var(--dur-1) var(--ease);
}
.answer-card:hover:not(.is-locked){transform:translateY(-2px);border-color:var(--border-strong);background:var(--surface-3);box-shadow:var(--sh-sm), var(--sheen)}
.answer-card:active:not(.is-locked){transform:translateY(0)}

.answer-badge{
  width:28px;height:28px;border-radius:var(--r-xs);flex:none;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-size:12.5px;font-weight:800;
  background:var(--surface-2);color:var(--text-3);border:1px solid var(--border);
  transition:background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.answer-card .a-text{flex:1;font-size:14.5px;font-weight:600;line-height:1.35}
.answer-card .a-check{flex:none;font-size:18px;opacity:0;transform:scale(.6);transition:all var(--dur-1) var(--ease);color:var(--nex-400)}

.answer-card.is-selected{border-color:var(--nex-500);background:var(--tint-bg);box-shadow:0 0 0 3px rgba(46,204,143,.10), var(--sh-xs)}
.answer-card.is-selected .answer-badge{background:var(--nex-500);color:#0A1712;border-color:var(--nex-500)}

.answer-card.is-correct{border-color:var(--nex-500);background:var(--tint-bg-strong);box-shadow:var(--sh-xs)}
.answer-card.is-correct .answer-badge{background:var(--nex-500);color:#0A1712;border-color:var(--nex-500)}
.answer-card.is-correct .a-check{opacity:1;transform:scale(1)}
.answer-card.is-correct .a-check i:before{content:"\ea54"}

.answer-card.is-incorrect{border-color:var(--danger-500);background:var(--danger-tint)}
.answer-card.is-incorrect .answer-badge{background:var(--danger-500);color:#1A0607;border-color:var(--danger-500)}
.answer-card.is-incorrect .a-check{opacity:1;transform:scale(1);color:var(--danger-500)}
.answer-card.is-incorrect .a-check i:before{content:"\ea72"}

.answer-card.is-locked{cursor:default}
.answer-card.is-locked:not(.is-selected):not(.is-correct):not(.is-incorrect){opacity:.5}

/* animate incorrect card with a soft shake on the moment of checking */
.answer-card.shake{animation:nex-shake .38s var(--ease)}

/* compact variant used for TF / classify (2-up) */
.answer-card.is-compact{flex-direction:column;justify-content:center;text-align:center;padding:18px 12px;gap:8px}
.answer-card.is-compact .a-icon{font-size:22px;color:var(--text-3)}
.answer-card.is-compact.is-selected .a-icon,
.answer-card.is-compact.is-correct .a-icon{color:var(--nex-400)}
.answer-card.is-compact.is-incorrect .a-icon{color:var(--danger-500)}
.answer-card.is-compact .a-text{flex:none;font-size:14px;font-weight:800;letter-spacing:.01em}

/* fill-in chips for "complete" */
.answer-chip{
  background:var(--surface);color:var(--text-1);border:1.5px solid var(--border);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:11px 16px;border-radius:var(--r-full);font-size:14px;font-weight:700;
  cursor:pointer;font-family:inherit;box-shadow:var(--sh-xs);
  transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.answer-chip:hover:not(.is-locked){transform:translateY(-2px);background:var(--surface-3)}
.answer-chip.is-selected{border-color:var(--nex-500);background:var(--tint-bg);color:var(--tint-text)}
.answer-chip.is-correct{border-color:var(--nex-500);background:var(--tint-bg-strong);color:var(--tint-text)}
.answer-chip.is-incorrect{border-color:var(--danger-500);background:var(--danger-tint);color:var(--danger-500)}
.answer-chip.is-locked{cursor:default}

/* ordering list */
.order-row{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:13px 14px;cursor:pointer;font-family:inherit;color:var(--text-1);box-shadow:var(--sh-xs);
  transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.order-row:hover:not(.is-locked){transform:translateY(-2px);background:var(--surface-3)}
.order-row .rank{
  width:26px;height:26px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--text-3);font-size:12px;font-weight:800;font-family:var(--font-display);
  border:1px solid var(--border);
}
.order-row.is-picked{border-color:var(--nex-500);background:var(--tint-bg)}
.order-row.is-picked .rank{background:var(--nex-500);color:#0A1712;border-color:var(--nex-500)}
.order-row .drag-ico{margin-left:auto;color:var(--text-3);font-size:16px}

/* match columns */
.match-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.match-col{display:flex;flex-direction:column;gap:8px}
.match-card{
  background:var(--surface);border:1.5px solid var(--border);border-radius:var(--r-sm);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:12px 12px;font-size:13px;font-weight:700;text-align:center;cursor:pointer;
  box-shadow:var(--sh-xs);color:var(--text-1);font-family:inherit;
  transition:transform var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease), background var(--dur-1) var(--ease);
}
.match-card:hover:not(:disabled){transform:translateY(-2px);background:var(--surface-3)}
.match-card.is-selected{border-color:var(--nex-500);background:var(--tint-bg)}
.match-card.is-matched{border-color:var(--nex-500);background:var(--tint-bg-strong);color:var(--tint-text);opacity:.8}
.match-card.is-wrong{border-color:var(--danger-500);background:var(--danger-tint)}
.match-card:disabled{cursor:default}

/* ==========================================================================
   Feedback sheet — glass panel that lifts over a blurred stage
   ========================================================================== */
.sheet{
  position:absolute;left:0;right:0;bottom:0;transform:translateY(112%);
  transition:transform var(--dur-3) var(--ease);
  background:rgba(12,24,21,.66);border-top:1px solid var(--border);
  backdrop-filter:var(--blur-lg);-webkit-backdrop-filter:var(--blur-lg);
  padding:18px 20px 118px;z-index:40;border-radius:24px 24px 0 0;
  box-shadow:0 -20px 44px rgba(0,0,0,.4), var(--sheen);
}
.sheet.open{transform:none}
.sheet-row{display:flex;gap:14px;align-items:flex-start}
.sheet-avatar{position:relative;width:52px;height:52px;flex:none;animation:nex-pop var(--dur-3) var(--ease)}
.sheet-avatar img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 6px 10px rgba(0,0,0,.4))}
.status-dot{
  position:absolute;right:-4px;bottom:-4px;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:11px;color:#0A1712;
  border:2px solid rgba(12,24,21,.9);
}
.sheet.ok .status-dot{background:var(--nex-500)}
.sheet.bad .status-dot{background:var(--danger-500);color:#1A0607}
.sheet-body{flex:1;min-width:0}
.sheet-title{font-family:var(--font-display);font-size:18px;font-weight:800;margin-bottom:3px;color:var(--text-1)}
.sheet.ok .sheet-title{color:var(--nex-400)}
.sheet.bad .sheet-title{color:var(--danger-500)}
.sheet-body p{color:var(--text-2);font-weight:600;font-size:13.5px;line-height:1.45}
.sheet-xp{
  display:inline-flex;align-items:center;gap:5px;margin-top:10px;
  background:var(--tint-bg);color:var(--tint-text);font-size:12px;font-weight:800;
  padding:5px 10px;border-radius:var(--r-full);
}

/* ==========================================================================
   Done screen / celebration
   ========================================================================== */
.done-screen{
  position:absolute;inset:0;z-index:80;display:none;flex-direction:column;
  align-items:center;justify-content:center;padding:32px 26px;text-align:center;
  background:var(--atmosphere);
}
.done-screen.on{display:flex}
.done-badge{
  width:84px;height:84px;border-radius:24px;
  background:linear-gradient(160deg,var(--nex-400),var(--nex-700));
  color:#0A1712;display:flex;align-items:center;justify-content:center;font-size:36px;
  box-shadow:var(--sh-nex);margin-bottom:14px;animation:nex-pop var(--dur-3) var(--ease);
}
.done-screen h2{font-family:var(--font-display);font-size:26px;font-weight:800;margin-bottom:6px;color:var(--text-1)}
.done-screen p{color:var(--text-2);margin-bottom:22px;font-weight:500}
.done-mascot{width:118px;height:118px;object-fit:contain;margin:-6px 0 10px;animation:nex-float 3.2s ease-in-out infinite}

/* ==========================================================================
   Result / recap
   ========================================================================== */
.result-hero{
  border-radius:22px;padding:26px 22px 22px;text-align:center;color:#fff;margin-bottom:18px;
  background:
    radial-gradient(280px 220px at 90% 0%, rgba(53,166,100,.4), transparent 65%),
    linear-gradient(165deg,#0E1F16,#123A24 55%,#0F5C34);
  box-shadow:var(--sh-lg);border:1px solid rgba(255,255,255,.08);
}
.result-hero img{width:96px;height:96px;object-fit:contain;filter:drop-shadow(0 10px 16px rgba(0,0,0,.35))}
.result-hero h2{font-family:var(--font-display);font-size:23px;font-weight:800;margin:8px 0 4px;color:var(--text-on-ink)}
.result-hero p{color:var(--text-on-ink-dim);font-size:13.5px;font-weight:600;max-width:280px;margin:0 auto}
.xp-counter{font-family:var(--font-display);font-size:34px;font-weight:800;margin-top:14px}
.xp-counter span{font-size:14px;font-weight:700;opacity:.8;margin-left:4px}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);
  padding:16px;margin:0 0 12px;box-shadow:var(--sh-xs), var(--sheen);
}
.card h3{font-size:15px;font-weight:700;margin-bottom:5px;color:var(--text-1)}
.card p{color:var(--text-2);font-size:13px;font-weight:600}
.rev{color:var(--danger-500);font-weight:700}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media(min-width:900px){
  #app{border-radius:26px;height:min(900px,94vh);margin:3vh 0}
}
@media(max-width:480px){
  .map-overview{margin:0 14px 12px;padding:12px 14px}
  .progress-overview{margin:6px 14px 14px;padding:14px}
  .progress-ring{width:58px;height:58px}
  .progress-ring span{font-size:12.5px}
  .list{padding:8px 14px 20px}
  .unit-row{padding:12px}
}
@media(max-width:400px){
  .hero h1{font-size:22px}
  .prompt-text{font-size:17.5px}
  .mascot-frame{width:130px;height:130px}
  .stat-hud{gap:8px}
  .node{width:56px;height:56px;border-radius:16px}
  .node.now{width:62px;height:62px}
  .node-n{font-size:15px}
  .node i{font-size:19px}
  .node-card{padding:7px 10px}
  .node-card .t{font-size:12.5px}
  .node-wrap{gap:8px;max-width:92%}
  .nav{height:60px;margin:0 10px calc(10px + env(safe-area-inset-bottom, 0px))}
  .map-overview-row b{font-size:13px}
  .map-overview-sub{font-size:10.5px}
  .progress-overview{flex-direction:column;align-items:flex-start;gap:12px}
  .progress-overview-info{width:100%}
}

.footer-credit{
  position:absolute;
  right:18px;
  bottom:22px;
  z-index:3;
  margin:0;
  max-width:38%;
  text-align:right;
  font-size:11px;
  font-weight:600;
  font-family:inherit;
  line-height:1.25;
  color:var(--text-on-ink-dim);
}
.footer-credit a{
  color:inherit;
  text-decoration:underline;
  text-underline-offset:.18em;
  transition:color var(--dur-1) var(--ease);
}
.footer-credit a:hover{color:var(--nex-500)}
.footer-credit a:focus-visible{outline:2px solid var(--nex-500);outline-offset:3px}
@media (prefers-reduced-motion:reduce){
  .footer-credit a{transition:none}
}