*{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1d4ed8;--blue-light:#3b82f6;--blue-dark:#1e3a8a;
  --pink:#ec4899;--pink-light:#f472b6;--pink-dark:#be185d;
  --yellow:#fbbf24;--yellow-light:#fde68a;--yellow-dark:#d97706;
  --dark:#0a0a1a;--dark2:#111827;--dark3:#1f2937;
  --glass:rgba(10,10,30,0.82);--glass2:rgba(255,255,255,0.06);
  --text:#e2e8f0;--text-dim:#94a3b8;
}
html,body{width:100%;height:100%;overflow:hidden;background:#000;font-family:'Inter',sans-serif;color:var(--text)}
#game-root{width:100vw;height:100vh;position:relative;overflow:hidden}
.screen{position:absolute;inset:0;display:none;opacity:0;transition:opacity .5s}
.screen.active{display:flex;opacity:1}

/* TITLE */
.screen#screen-title{align-items:center;justify-content:center;flex-direction:column}
.title-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 60%,#1e3a8a 0%,#0a0a1a 60%),linear-gradient(135deg,#0a0a1a,#1a1a3e);z-index:0}
.title-rings{position:absolute;inset:0;z-index:1;pointer-events:none}
.title-particles{position:absolute;inset:0;z-index:1;pointer-events:none}
.title-content{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:2rem}
.title-top{font-family:'Orbitron',sans-serif;font-size:3rem;font-weight:900;color:#fff;letter-spacing:.3em;text-shadow:0 0 40px var(--blue-light),0 0 80px var(--blue)}
.title-heart-line{font-size:4rem;line-height:1;animation:heartbeat 1.5s ease-in-out infinite}
.title-heart-icon{color:var(--pink);filter:drop-shadow(0 0 20px var(--pink))}
@keyframes heartbeat{0%,100%{transform:scale(1)}50%{transform:scale(1.15)}}
.title-bottom{font-family:'Orbitron',sans-serif;font-size:3rem;font-weight:900;color:var(--pink-light);letter-spacing:.2em;text-shadow:0 0 40px var(--pink),0 0 80px var(--pink-dark)}
.title-sub{font-family:'Caveat',cursive;font-size:1.6rem;color:var(--text-dim);margin-top:-.5rem}
.title-menu{display:flex;flex-direction:column;gap:.75rem;width:280px}

/* BUTTONS */
.menu-btn{background:var(--glass2);border:1px solid rgba(255,255,255,.15);border-radius:12px;padding:14px 24px;color:var(--text);font-family:'Orbitron',sans-serif;font-size:.85rem;font-weight:700;cursor:pointer;transition:all .2s;letter-spacing:.05em;backdrop-filter:blur(10px)}
.menu-btn:hover{background:rgba(59,130,246,.25);border-color:var(--blue-light);transform:translateX(4px);box-shadow:0 0 20px rgba(59,130,246,.4)}
.menu-btn.primary{background:linear-gradient(135deg,var(--blue),var(--blue-dark));border-color:var(--blue-light);box-shadow:0 4px 20px rgba(29,78,216,.5)}
.menu-btn.primary:hover{box-shadow:0 6px 30px rgba(29,78,216,.8);transform:translateX(4px) scale(1.02)}
.back-btn{background:transparent;border:1px solid rgba(255,255,255,.2);border-radius:8px;padding:10px 20px;color:var(--text-dim);font-size:.9rem;cursor:pointer;transition:all .2s;margin-top:1rem}
.back-btn:hover{color:var(--text);border-color:rgba(255,255,255,.5)}

/* CHAR SELECT */
.screen#screen-charselect{align-items:center;justify-content:center;flex-direction:column}
.charselect-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 50%,#1a0a2e,#0a0a1a);z-index:0}
.charselect-content{position:relative;z-index:1;text-align:center;display:flex;flex-direction:column;align-items:center;gap:1.5rem;width:100%;max-width:900px;padding:2rem}
.charselect-title{font-family:'Orbitron',sans-serif;font-size:2.5rem;font-weight:900;background:linear-gradient(135deg,var(--blue-light),var(--pink-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.charselect-sub{color:var(--text-dim);font-size:1.1rem}
.char-cards{display:flex;gap:2rem;justify-content:center;flex-wrap:wrap}
.char-card{position:relative;background:var(--glass);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:1.5rem;width:320px;cursor:pointer;transition:all .3s;overflow:hidden;backdrop-filter:blur(20px)}
.char-card:hover{transform:translateY(-8px) scale(1.02);border-color:rgba(255,255,255,.3)}
.char-card img{width:100%;height:280px;object-fit:contain;object-position:top}
.char-card-info{padding:.75rem 0 0}
.char-card-info h3{font-family:'Orbitron',sans-serif;font-size:1.1rem;font-weight:700;margin-bottom:.4rem}
.char-quote{font-family:'Caveat',cursive;font-size:1.1rem;color:var(--text-dim);margin-bottom:.75rem}
.char-tags{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:.75rem}
.char-tags span{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:3px 12px;font-size:.75rem;color:var(--text-dim)}
.route-badge{border-radius:20px;padding:4px 14px;font-size:.8rem;font-weight:600;display:inline-block;background:linear-gradient(135deg,var(--pink-dark),var(--pink));color:#fff}
.tails-badge{background:linear-gradient(135deg,var(--yellow-dark),var(--yellow))}
.card-glow{position:absolute;inset:0;border-radius:20px;opacity:0;transition:opacity .3s;pointer-events:none}
.amy-glow{background:radial-gradient(ellipse at 50% 100%,rgba(236,72,153,.3),transparent 70%)}
.tails-glow{background:radial-gradient(ellipse at 50% 100%,rgba(251,191,36,.3),transparent 70%)}
.char-card:hover .card-glow{opacity:1}
.amy-card:hover{border-color:var(--pink)}
.tails-card:hover{border-color:var(--yellow)}

/* GAME SCREEN */
.screen#screen-game{flex-direction:column}
.game-bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:background-image .001s;z-index:0}
.game-bg-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.7) 0%,transparent 60%);z-index:1}
.weather-layer{position:absolute;inset:0;z-index:2;pointer-events:none}

/* PORTRAITS */
.portrait{position:absolute;bottom:160px;z-index:3;height:70vh;max-height:520px;transition:all .4s;pointer-events:none}
.portrait img{height:100%;object-fit:contain}
.portrait.hidden{opacity:0;pointer-events:none}
.portrait-left{left:5%;transform:scaleX(-1)}
.portrait-left.active{opacity:1;left:5%}
.portrait-right{right:5%}
.portrait-right.active{opacity:1;right:5%}
.portrait.dim{opacity:.5;filter:brightness(.6)}
.portrait.lit{opacity:1;filter:brightness(1.05)}

/* HUD */
.hud{position:absolute;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:linear-gradient(to bottom,rgba(0,0,0,.6),transparent)}
.hud-affection{display:flex;align-items:center;gap:8px}
.hud-label{font-size:.75rem;color:var(--text-dim);font-weight:600}
.affection-bar-bg{width:120px;height:8px;background:rgba(255,255,255,.1);border-radius:4px;overflow:hidden}
.affection-fill{height:100%;background:linear-gradient(90deg,var(--pink-dark),var(--pink-light));border-radius:4px;transition:width .6s cubic-bezier(.34,1.56,.64,1);width:0%}
.affection-hearts{font-size:.9rem;letter-spacing:1px}
.chapter-display{font-family:'Orbitron',sans-serif;font-size:.8rem;font-weight:700;color:var(--blue-light);letter-spacing:.1em}
.hud-buttons{display:flex;gap:6px}
.hud-btn{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:6px 12px;color:var(--text-dim);font-size:.75rem;font-weight:700;cursor:pointer;transition:all .2s;font-family:'Orbitron',sans-serif}
.hud-btn:hover{background:rgba(59,130,246,.2);color:var(--text);border-color:var(--blue-light)}
.hud-btn.active{background:rgba(59,130,246,.3);color:var(--blue-light);border-color:var(--blue-light)}

/* DIALOGUE */
.dialogue-box{position:absolute;bottom:0;left:0;right:0;z-index:10;background:var(--glass);border-top:1px solid rgba(255,255,255,.1);backdrop-filter:blur(20px);padding:20px 140px 24px;min-height:150px;cursor:pointer;transition:opacity .3s}
.speaker-wrap{margin-bottom:8px}
.speaker-name{font-family:'Orbitron',sans-serif;font-size:.95rem;font-weight:700;display:inline-block;padding:4px 16px;border-radius:20px;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:#fff;box-shadow:0 2px 10px rgba(29,78,216,.4)}
.speaker-name.amy-name{background:linear-gradient(135deg,var(--pink-dark),var(--pink))}
.speaker-name.tails-name{background:linear-gradient(135deg,var(--yellow-dark),var(--yellow));color:#1a1a1a}
.dialogue-text{font-size:1.15rem;line-height:1.75;color:var(--text);min-height:3rem}
.advance-arrow{position:absolute;bottom:14px;right:20px;color:var(--text-dim);font-size:.9rem;animation:blink 1.2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.2}}

/* CHOICES */
.choices-box{position:absolute;bottom:155px;left:50%;transform:translateX(-50%);z-index:15;background:var(--glass);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:1.25rem 1.5rem;backdrop-filter:blur(20px);min-width:400px;max-width:700px}
.choices-box.hidden{display:none}
.choices-prompt{font-family:'Caveat',cursive;font-size:1.2rem;color:var(--text-dim);margin-bottom:.75rem;text-align:center}
.choices-list{display:flex;flex-direction:column;gap:.6rem}
.choice-btn{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:12px 18px;color:var(--text);font-size:1rem;cursor:pointer;transition:all .2s;text-align:left}
.choice-btn:hover{background:rgba(59,130,246,.2);border-color:var(--blue-light);transform:translateX(6px)}
.choice-btn.good:hover{background:rgba(236,72,153,.2);border-color:var(--pink-light)}
.choice-btn.bad:hover{background:rgba(239,68,68,.2);border-color:#f87171}

/* SAVE/LOAD/GALLERY */
.save-screen-bg{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 30%,#1a1a3e,#0a0a1a);z-index:0}
.save-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;padding:2rem;gap:1rem;width:100%;max-width:800px;margin:0 auto;overflow-y:auto;height:100%}
.save-content h2{font-family:'Orbitron',sans-serif;font-size:2rem;font-weight:900;color:var(--blue-light)}
.save-slots{display:flex;flex-direction:column;gap:.75rem;width:100%;max-width:600px}
.save-slot{background:var(--glass2);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;cursor:pointer;transition:all .2s}
.save-slot:hover{border-color:var(--blue-light);background:rgba(59,130,246,.1)}
.save-slot-label{font-weight:600;font-family:'Orbitron',sans-serif;font-size:.85rem;color:var(--blue-light)}
.save-slot-info{font-size:.8rem;color:var(--text-dim)}
.save-slot-empty{color:var(--text-dim);font-style:italic}
.gallery-hint{color:var(--text-dim);font-size:.95rem}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1rem;width:100%;max-width:700px}
.gallery-thumb{aspect-ratio:16/9;border-radius:10px;overflow:hidden;border:1px solid rgba(255,255,255,.1);cursor:pointer;transition:all .2s;background:rgba(255,255,255,.05)}
.gallery-thumb img{width:100%;height:100%;object-fit:cover}
.gallery-thumb.locked{filter:brightness(.3);cursor:default}
.gallery-thumb:not(.locked):hover{transform:scale(1.04);border-color:var(--pink)}

/* ENDING */
.screen#screen-ending{align-items:center;justify-content:center;flex-direction:column}
.ending-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0;transition:all 1s}
.ending-bg::after{content:'';position:absolute;inset:0;background:rgba(0,0,0,.55)}
.ending-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:1.5rem;text-align:center;padding:2rem}
.ending-hearts-anim{font-size:3rem;letter-spacing:.5rem;animation:float 2s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.ending-title-text{font-family:'Orbitron',sans-serif;font-size:3rem;font-weight:900;color:#fff;text-shadow:0 0 40px var(--pink),0 0 80px var(--pink-dark)}
.ending-portrait-wrap img{height:300px;object-fit:contain;filter:drop-shadow(0 0 30px rgba(236,72,153,.6))}
.ending-message{font-family:'Caveat',cursive;font-size:1.6rem;color:var(--text);max-width:600px;line-height:1.6}
.ending-btns{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center}

/* OVERLAYS */
.overlay{position:absolute;inset:0;z-index:50;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.overlay.hidden{display:none}
.overlay-panel{background:var(--dark2);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:2rem;display:flex;flex-direction:column;gap:1rem;max-height:90vh;overflow-y:auto;min-width:320px}
.overlay-panel.wide{min-width:500px;max-width:700px}
.overlay-panel.tall{max-height:80vh}
.overlay-panel h3{font-family:'Orbitron',sans-serif;font-size:1.4rem;color:var(--blue-light);border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:.75rem}
.setting-row{display:flex;align-items:center;gap:1rem}
.setting-row label{font-size:.9rem;color:var(--text-dim);width:100px;flex-shrink:0}
.setting-row input[type=range]{flex:1;accent-color:var(--blue-light)}
.setting-row span{width:30px;text-align:right;font-size:.85rem;color:var(--text-dim)}
.log-entries{display:flex;flex-direction:column;gap:.75rem;overflow-y:auto;max-height:50vh}
.log-entry{padding:.75rem 1rem;background:rgba(255,255,255,.04);border-radius:8px;border-left:3px solid var(--blue-light)}
.log-entry .log-speaker{font-weight:700;font-size:.85rem;margin-bottom:.3rem;color:var(--blue-light)}
.log-entry.amy-log{border-left-color:var(--pink)}
.log-entry.amy-log .log-speaker{color:var(--pink-light)}
.log-entry.tails-log{border-left-color:var(--yellow)}
.log-entry.tails-log .log-speaker{color:var(--yellow)}
.log-entry .log-text{font-size:.9rem;color:var(--text-dim)}
.credits-body{font-size:.95rem;line-height:2;color:var(--text-dim);text-align:center}
.credits-body strong{color:var(--text)}

/* CHAPTER CARD */
.chapter-card{position:absolute;inset:0;z-index:40;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.85);backdrop-filter:blur(8px)}
.chapter-card.hidden{display:none}
.chapter-card-inner{text-align:center;animation:ccReveal .8s ease-out}
@keyframes ccReveal{from{opacity:0;transform:scale(.8) translateY(20px)}to{opacity:1;transform:scale(1) translateY(0)}}
.cc-num{font-family:'Orbitron',sans-serif;font-size:1rem;color:var(--blue-light);letter-spacing:.3em;margin-bottom:.5rem}
.cc-title{font-family:'Orbitron',sans-serif;font-size:2.5rem;font-weight:900;color:#fff;text-shadow:0 0 40px var(--blue-light)}

/* AFFECTION POPUP */
.affection-popup{position:absolute;top:80px;left:50%;transform:translateX(-50%);z-index:35;background:var(--glass);border:1px solid rgba(236,72,153,.3);border-radius:20px;padding:8px 20px;font-size:1rem;font-weight:700;color:var(--pink-light);animation:popUp .8s ease-out forwards}
.affection-popup.hidden{display:none}
@keyframes popUp{0%{opacity:0;transform:translateX(-50%) translateY(10px)}20%{opacity:1;transform:translateX(-50%) translateY(0)}80%{opacity:1}100%{opacity:0;transform:translateX(-50%) translateY(-20px)}}

/* TOAST */
.toast{position:absolute;bottom:200px;left:50%;transform:translateX(-50%);z-index:60;background:var(--dark3);border:1px solid rgba(255,255,255,.15);border-radius:10px;padding:10px 20px;font-size:.9rem;color:var(--text);animation:popUp .8s ease-out forwards}
.toast.hidden{display:none}

/* TRANSITION */
.transition-overlay{position:absolute;inset:0;z-index:100;background:#000;opacity:0;pointer-events:none;transition:opacity .5s}
.transition-overlay.active{opacity:1;pointer-events:all}

/* TITLE RING ANIMATION */
.ring-el{position:absolute;border:3px solid var(--yellow);border-radius:50%;animation:ringOrbit linear infinite;opacity:.7}
@keyframes ringOrbit{from{transform:rotate(0deg) translateX(var(--r)) rotate(0deg)}to{transform:rotate(360deg) translateX(var(--r)) rotate(-360deg)}}
.particle-el{position:absolute;border-radius:50%;animation:particleFade linear infinite;pointer-events:none}
@keyframes particleFade{0%{opacity:0;transform:translateY(0)}10%{opacity:.8}90%{opacity:.8}100%{opacity:0;transform:translateY(-60px)}}

/* SCROLLBARS */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:3px}
::-webkit-scrollbar-thumb{background:var(--blue);border-radius:3px}

/* SAVE/LOAD screen layout */
.screen#screen-load,
.screen#screen-gallery{flex-direction:column;align-items:center;justify-content:flex-start;overflow:hidden}

/* WEATHER */
.rain-drop{position:absolute;width:2px;background:linear-gradient(to bottom,transparent,rgba(150,200,255,.6));border-radius:1px;animation:rainFall linear infinite}
@keyframes rainFall{from{transform:translateY(-100px)}to{transform:translateY(110vh)}}
.snow-flake{position:absolute;border-radius:50%;background:#fff;animation:snowFall linear infinite}
@keyframes snowFall{from{transform:translateY(-20px) rotate(0deg)}to{transform:translateY(110vh) rotate(360deg)}}