/* ============================================================
   LABORATÓRIO VIRTUAL — CSS COMPLETO REDESENHADO
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #080c18;
  --bg2: #0f1525;
  --bg3: #161d30;
  --glass: rgba(255,255,255,0.04);
  --glass2: rgba(255,255,255,0.08);
  --glass3: rgba(255,255,255,0.12);
  --text: #eef2ff;
  --text2: #94a3b8;
  --text3: #64748b;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.15);
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --yellow: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  /* Course accents */
  --accent: #8b5cf6;
  --accent2: #6366f1;
  --accent-glow: rgba(139,92,246,0.25);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;line-height:1.6}
h1,h2,h3,h4,h5{font-family:'Outfit',sans-serif;font-weight:700;line-height:1.2}
button{cursor:pointer;font-family:inherit;border:none}
img{max-width:100%;display:block}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:3px}

/* =================== SCREENS =================== */
.screen{display:none;min-height:100vh;position:relative}
.screen.active{display:flex;flex-direction:column;animation:fadeIn .4s ease}
.screen-inner{width:100%;max-width:1200px;margin:0 auto;padding:2rem}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{from{opacity:0;transform:translateX(30px)}to{opacity:1;transform:translateX(0)}}
@keyframes pop{0%{transform:scale(0)}60%{transform:scale(1.15)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 12px transparent}}
@keyframes glow{0%,100%{box-shadow:0 0 20px var(--accent-glow)}50%{box-shadow:0 0 40px var(--accent-glow),0 0 60px rgba(99,102,241,0.15)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes correctFlash{0%{box-shadow:0 0 0 rgba(34,197,94,0)}50%{box-shadow:0 0 30px rgba(34,197,94,0.6)}100%{box-shadow:0 0 0 rgba(34,197,94,0)}}

/* =================== WELCOME =================== */
#screen-welcome{justify-content:center;align-items:center;text-align:center;background:radial-gradient(ellipse at 50% 40%,rgba(99,102,241,0.08),transparent 60%),radial-gradient(ellipse at 80% 80%,rgba(6,182,212,0.06),transparent 50%),var(--bg)}
.welcome-wrapper{display:flex;flex-direction:column;align-items:center;gap:2.5rem;padding:2rem}
.logo-orb{width:110px;height:110px;border-radius:50%;background:linear-gradient(135deg,#8b5cf6,#06b6d4,#f59e0b);display:flex;align-items:center;justify-content:center;font-size:3.2rem;animation:glow 3s ease-in-out infinite;margin:0 auto 1rem}
.gradient-text{font-size:clamp(2rem,5vw,3.2rem);background:linear-gradient(135deg,#c084fc,#67e8f9,#fbbf24);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.welcome-subtitle{color:var(--text2);font-size:1.05rem;max-width:520px;line-height:1.7}
.welcome-form{width:100%;max-width:440px;display:flex;flex-direction:column;gap:1.2rem}
.input-field label{display:block;text-align:left;margin-bottom:.4rem;color:var(--text2);font-size:.85rem;font-weight:500}
.input-field input{width:100%;padding:1rem 1.2rem;background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:1rem;outline:none;transition:.3s}
.input-field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow);background:var(--glass2)}
.input-field input::placeholder{color:var(--text3)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:.85rem 2rem;border-radius:var(--radius);font-size:.95rem;font-weight:600;transition:.3s;position:relative;overflow:hidden}
.btn-glow{background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;box-shadow:0 4px 20px var(--accent-glow);width:100%}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}
.btn-outline{background:var(--glass);color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{background:var(--glass2);border-color:var(--border2)}
.btn-green{background:linear-gradient(135deg,#22c55e,#16a34a);color:#fff;box-shadow:0 4px 15px rgba(34,197,94,.3)}
.btn-green:hover{transform:translateY(-2px);box-shadow:0 6px 25px rgba(34,197,94,.4)}
.btn-orange{background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff}
.btn-sm{padding:.55rem 1.2rem;font-size:.85rem;border-radius:var(--radius-sm)}
.btn:disabled{opacity:.4;pointer-events:none}

.welcome-courses-preview{display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:center;color:var(--text3);font-size:.85rem;margin-top:.5rem}
.welcome-courses-preview span{padding:.4rem .8rem;background:var(--glass);border:1px solid var(--border);border-radius:50px}

/* =================== COURSES GRID =================== */
.section-header{text-align:center;margin-bottom:2rem;animation:slideUp .5s ease}
.section-header h2{font-size:2rem;margin-bottom:.4rem}
.section-header p{color:var(--text2);font-size:1rem}
.student-pill{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem 1rem;background:var(--glass);border:1px solid var(--border);border-radius:50px;font-size:.85rem;color:var(--text2);margin-bottom:1rem}
.student-pill span{color:var(--text);font-weight:600}

.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.2rem;max-width:1100px;margin:0 auto}

.course-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:.3s;position:relative;animation:slideUp .5s ease both}
.course-card:nth-child(2){animation-delay:.08s}
.course-card:nth-child(3){animation-delay:.16s}
.course-card:nth-child(4){animation-delay:.24s}
.course-card:nth-child(5){animation-delay:.32s}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow),0 0 30px var(--card-glow,var(--accent-glow));border-color:var(--border2)}
.course-card .card-img{width:100%;height:160px;object-fit:cover;border-bottom:1px solid var(--border);filter:brightness(.85);transition:.3s}
.course-card:hover .card-img{filter:brightness(1)}
.course-card .card-body{padding:1.2rem}
.course-card .card-body h3{font-size:1.15rem;margin-bottom:.4rem;display:flex;align-items:center;gap:.5rem}
.course-card .card-body p{font-size:.85rem;color:var(--text2);margin-bottom:1rem;line-height:1.5}
.course-card .card-meta{display:flex;gap:1rem;font-size:.8rem;color:var(--text3)}
.course-card .card-progress{height:3px;background:var(--glass);border-radius:2px;margin-top:.8rem;overflow:hidden}
.course-card .card-progress-fill{height:100%;border-radius:2px;background:var(--accent);transition:width .6s ease}

/* =================== LESSONS LIST =================== */
.lessons-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:.8rem}
.lesson-row{display:flex;align-items:center;gap:1rem;padding:1rem 1.4rem;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:.3s;animation:slideIn .4s ease both}
.lesson-row:nth-child(2){animation-delay:.06s}
.lesson-row:nth-child(3){animation-delay:.12s}
.lesson-row:nth-child(4){animation-delay:.18s}
.lesson-row:nth-child(5){animation-delay:.24s}
.lesson-row:hover{border-color:var(--accent);background:var(--bg3);transform:translateX(6px);box-shadow:0 0 15px var(--accent-glow)}
.lesson-num{width:42px;height:42px;border-radius:50%;background:var(--glass2);display:flex;align-items:center;justify-content:center;font-family:'Outfit',sans-serif;font-weight:700;font-size:1.1rem;flex-shrink:0;color:var(--accent)}
.lesson-num.done{background:rgba(34,197,94,.15);color:var(--green)}
.lesson-info{flex:1}
.lesson-info h4{font-size:1rem;margin-bottom:.15rem}
.lesson-info p{font-size:.8rem;color:var(--text2)}
.lesson-badge{font-size:.75rem;padding:.25rem .7rem;border-radius:50px;font-weight:500}
.lesson-badge.completed{background:rgba(34,197,94,.12);color:var(--green)}
.btn-back-row{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;margin-bottom:1rem;background:none;color:var(--text2);font-size:.9rem;cursor:pointer;border:none;transition:.2s}
.btn-back-row:hover{color:var(--text)}

/* =================== SIMULATION SCREEN =================== */
.screen-sim{padding:0!important}
.screen-sim.active{height:100vh;overflow:hidden}

.sim-topbar{display:flex;align-items:center;justify-content:space-between;padding:.6rem 1.2rem;background:rgba(8,12,24,.95);border-bottom:1px solid var(--border);backdrop-filter:blur(10px);z-index:20;flex-shrink:0}
.sim-topbar .sim-left{display:flex;align-items:center;gap:.8rem}
.sim-topbar .sim-title{font-family:'Outfit',sans-serif;font-weight:600;font-size:.95rem}
.sim-topbar .sim-badge{padding:.2rem .7rem;border-radius:50px;font-size:.75rem;font-weight:500;background:var(--glass2);color:var(--accent)}
.sim-topbar .sim-right{display:flex;align-items:center;gap:.8rem;font-size:.85rem;color:var(--text2)}
.sim-topbar .sim-right strong{color:var(--text)}
.btn-back-sim{width:34px;height:34px;border-radius:50%;background:var(--glass);border:1px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:center;font-size:1rem;cursor:pointer;transition:.2s;flex-shrink:0}
.btn-back-sim:hover{background:var(--glass2);border-color:var(--border2)}

.sim-main{display:flex;flex:1;overflow:hidden;height:calc(100vh - 94px)}

/* Workspace */
.sim-workspace{flex:1;position:relative;overflow:hidden;background:#111827}
.sim-bg-img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;pointer-events:none;filter:brightness(.7);z-index:0}
.sim-objects-layer,.sim-dropzones-layer,.sim-feedback-layer{position:absolute;top:0;left:0;width:100%;height:100%;z-index:2}
.sim-dropzones-layer{z-index:1}
.sim-feedback-layer{z-index:3;pointer-events:none}

/* Sidebar */
.sim-sidebar{width:340px;background:rgba(15,21,37,.97);border-left:1px solid var(--border);backdrop-filter:blur(8px);display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;z-index:10}
.sidebar-header{padding:1rem 1.2rem;border-bottom:1px solid var(--border);font-family:'Outfit',sans-serif;font-weight:600;font-size:.95rem;display:flex;align-items:center;gap:.5rem}
.sidebar-body{flex:1;padding:1rem 1.2rem;overflow-y:auto;display:flex;flex-direction:column;gap:.8rem}
.info-box{padding:.9rem;background:var(--glass);border:1px solid var(--border);border-radius:var(--radius-sm)}
.info-box h4{font-size:.85rem;margin-bottom:.3rem;display:flex;align-items:center;gap:.4rem}
.info-box p{font-size:.8rem;color:var(--text2);line-height:1.5}
.info-box img{width:100%;border-radius:6px;margin-top:.5rem}
.highlight-box{padding:.7rem 1rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;border:1px solid}
.highlight-nursing{background:rgba(139,92,246,.08);border-color:rgba(139,92,246,.2);color:#c4b5fd}
.highlight-acs{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.2);color:#6ee7b7}
.highlight-computer{background:rgba(6,182,212,.08);border-color:rgba(6,182,212,.2);color:#67e8f9}
.highlight-cashier{background:rgba(245,158,11,.08);border-color:rgba(245,158,11,.2);color:#fcd34d}
.highlight-elderly{background:rgba(244,114,182,.08);border-color:rgba(244,114,182,.2);color:#f9a8d4}

/* Task list */
.task-list{list-style:none;display:flex;flex-direction:column;gap:.3rem}
.task-list li{display:flex;align-items:center;gap:.6rem;padding:.5rem .6rem;border-radius:var(--radius-sm);font-size:.82rem;color:var(--text2);background:var(--glass);transition:.2s}
.task-list li.done{color:var(--green);background:rgba(34,197,94,.06)}
.task-list li.active{color:var(--text);background:var(--glass2);border:1px solid var(--accent);animation:pulse 2s infinite}
.task-list .check{width:20px;height:20px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.6rem;flex-shrink:0}
.task-list li.done .check{background:var(--green);border-color:var(--green);color:#fff}
.task-list li.active .check{border-color:var(--accent);color:var(--accent)}

/* Score mini */
.score-mini{text-align:center;padding:1rem;background:var(--glass);border-radius:var(--radius-sm)}
.score-mini .big{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:800}
.score-mini .label{font-size:.75rem;color:var(--text3)}

/* Bottombar */
.sim-bottombar{display:flex;align-items:center;justify-content:space-between;padding:.7rem 1.2rem;background:rgba(0,0,0,.75);backdrop-filter:blur(10px);border-top:1px solid var(--border);z-index:20;flex-shrink:0}
.sim-bottombar .instruction{display:flex;align-items:center;gap:.6rem;font-size:.9rem}
.sim-bottombar .instruction .icon{font-size:1.3rem}
.sim-bottombar .actions{display:flex;gap:.5rem}

/* =================== DRAGGABLE OBJECTS =================== */
.drag-item{position:absolute;cursor:grab;user-select:none;touch-action:none;z-index:10;transition:box-shadow .2s,filter .2s;border-radius:var(--radius-sm);overflow:hidden}
.drag-item:hover{z-index:15;filter:brightness(1.15);box-shadow:0 4px 20px rgba(0,0,0,.5)}
.drag-item.dragging{cursor:grabbing;z-index:100;filter:brightness(1.25);box-shadow:0 8px 30px rgba(0,0,0,.6);transform:scale(1.08);transition:none}
.drag-item.snapped{cursor:default;animation:correctFlash .6s ease}
.drag-item.wrong{animation:shake .5s ease}
.drag-item .drag-label{position:absolute;bottom:0;left:0;right:0;padding:.3rem .5rem;background:rgba(0,0,0,.8);color:#fff;font-size:.7rem;font-weight:600;text-align:center;white-space:nowrap;backdrop-filter:blur(4px)}
.drag-item img{width:100%;height:100%;object-fit:contain;pointer-events:none}

.drop-zone{position:absolute;border:2px dashed rgba(255,255,255,.2);border-radius:var(--radius-sm);z-index:1;transition:.2s;display:flex;align-items:center;justify-content:center}
.drop-zone .dz-label{font-size:.7rem;color:rgba(255,255,255,.4);text-align:center;padding:.3rem;pointer-events:none}
.drop-zone.active{border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.03)}
.drop-zone.hover{border-color:var(--green);background:rgba(34,197,94,.1);box-shadow:0 0 15px rgba(34,197,94,.2)}
.drop-zone.filled{border-style:solid;border-color:var(--green);background:rgba(34,197,94,.08)}

/* =================== QUIZ =================== */
.quiz-wrapper{max-width:680px;margin:0 auto;padding:2rem;display:flex;flex-direction:column;align-items:center;min-height:100vh;justify-content:center;gap:2rem}
.quiz-header{text-align:center}
.quiz-header h2{font-size:1.8rem;margin-bottom:.3rem}
.quiz-dots{display:flex;gap:.4rem;justify-content:center;margin-top:.8rem}
.quiz-dot{width:12px;height:12px;border-radius:50%;background:var(--glass);border:1px solid var(--border);transition:.2s}
.quiz-dot.current{background:var(--accent);border-color:var(--accent);transform:scale(1.3)}
.quiz-dot.answered{background:var(--green);border-color:var(--green)}
.quiz-card{width:100%;padding:1.8rem;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);animation:slideUp .4s ease}
.quiz-card h3{font-size:1.1rem;font-weight:500;margin-bottom:1.4rem;line-height:1.6}
.quiz-opts{display:flex;flex-direction:column;gap:.6rem}
.quiz-opt{display:flex;align-items:center;gap:.8rem;padding:.9rem 1rem;background:var(--glass);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:.2s;font-size:.92rem}
.quiz-opt:hover{background:var(--glass2);border-color:var(--border2)}
.quiz-opt .letter{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.82rem;background:var(--glass);border:1px solid var(--border);flex-shrink:0;font-family:'Outfit',sans-serif}
.quiz-opt.selected{border-color:var(--blue);background:rgba(59,130,246,.08)}
.quiz-opt.selected .letter{background:var(--blue);color:#fff;border-color:var(--blue)}
.quiz-opt.correct{border-color:var(--green);background:rgba(34,197,94,.1)}
.quiz-opt.correct .letter{background:var(--green);color:#fff;border-color:var(--green)}
.quiz-opt.wrong{border-color:var(--red);background:rgba(239,68,68,.1)}
.quiz-opt.wrong .letter{background:var(--red);color:#fff;border-color:var(--red)}
.quiz-opt.locked{pointer-events:none}
.quiz-btns{display:flex;gap:.8rem;justify-content:center}

/* =================== RESULTS =================== */
.results-wrapper{max-width:580px;margin:0 auto;padding:2rem;display:flex;flex-direction:column;align-items:center;min-height:100vh;justify-content:center;gap:1.5rem;text-align:center}
.result-emoji{font-size:4rem;display:block;animation:pop .5s ease}
.result-title{font-size:1.8rem}
.result-subtitle{color:var(--text2);font-size:1rem}
.result-card{width:100%;padding:1.8rem;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);animation:slideUp .4s ease}
.score-ring{width:140px;height:140px;border-radius:50%;margin:0 auto 1rem;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}
.score-ring::before{content:'';position:absolute;inset:0;border-radius:50%;padding:4px;background:conic-gradient(var(--ring-color,var(--green)) calc(var(--pct,0)*3.6deg),var(--glass) 0);mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);mask-composite:exclude;-webkit-mask-composite:xor}
.score-ring .num{font-family:'Outfit',sans-serif;font-size:2.8rem;font-weight:800;line-height:1}
.score-ring .of{font-size:.8rem;color:var(--text3)}
.result-label{display:inline-block;padding:.35rem 1.2rem;border-radius:50px;font-size:1rem;font-weight:600}
.result-label.excellent{background:rgba(34,197,94,.12);color:var(--green)}
.result-label.good{background:rgba(59,130,246,.12);color:#60a5fa}
.result-label.review{background:rgba(245,158,11,.12);color:#fbbf24}
.chart-box{width:100%;padding:1.2rem;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius)}
.chart-box h3{font-size:.9rem;margin-bottom:1rem;text-align:left}
.bar-row{display:flex;align-items:center;gap:.8rem;margin-bottom:.6rem}
.bar-label{width:60px;font-size:.75rem;color:var(--text2);text-align:right;flex-shrink:0}
.bar-track{flex:1;height:24px;background:var(--glass);border-radius:var(--radius-sm);overflow:hidden}
.bar-fill{height:100%;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:flex-end;padding-right:.5rem;font-size:.7rem;font-weight:700;color:#fff;transition:width 1s cubic-bezier(.34,1.56,.64,1)}
.result-btns{display:flex;gap:.6rem;flex-wrap:wrap;justify-content:center}

/* =================== TOAST =================== */
.toast-container{position:fixed;top:1rem;right:1rem;z-index:9999;display:flex;flex-direction:column;gap:.5rem}
.toast{padding:.7rem 1.2rem;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:.5rem;backdrop-filter:blur(10px);min-width:250px;animation:slideIn .3s ease}
.toast.success{background:rgba(34,197,94,.2);border:1px solid var(--green);color:#86efac}
.toast.error{background:rgba(239,68,68,.2);border:1px solid var(--red);color:#fca5a5}
.toast.info{background:rgba(59,130,246,.2);border:1px solid var(--blue);color:#93c5fd}
.toast.hide{opacity:0;transform:translateX(40px);transition:.3s}

/* =================== RESPONSIVE =================== */
@media(max-width:900px){
  .sim-main{flex-direction:column}
  .sim-sidebar{width:100%;max-height:220px;border-left:none;border-top:1px solid var(--border)}
  .courses-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .screen-inner{padding:1rem}
  .sim-bottombar{flex-direction:column;gap:.6rem;text-align:center}
}

/* Animations for 2.5D and Interactions */
#sim-bg-img {
  transition: transform 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center center;
}

.dz-active {
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.5) inset;
  background: rgba(255, 255, 255, 0.15); box-shadow: 0 0 15px rgba(255,255,255,0.3); border-radius: 50%;
}

.dz-hover {
  box-shadow: 0 0 25px rgba(0, 255, 136, 0.7) inset !important;
  background: rgba(0, 255, 136, 0.2) !important;
  border-color: #00ff88 !important;
}

.anim-bounce {
  animation: bounceDrop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.anim-success-glow {
  animation: successGlow 1s ease-out forwards;
}

@keyframes bounceDrop {
  0% { transform: scale(1.2); }
  50% { transform: scale(0.9); }
  100% { transform: scale(1); }
}

@keyframes successGlow {
  0% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.7); border-color: #00ff88; }
  70% { box-shadow: 0 0 0 20px rgba(0, 255, 136, 0); border-color: #00ff88; }
  100% { box-shadow: 0 0 0 0 rgba(0, 255, 136, 0); border-color: var(--border2); }
}

.float-msg {
  position: absolute;
  color: #00ff88;
  font-weight: 800;
  font-size: 1.5rem;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
  pointer-events: none;
  z-index: 1000;
  animation: floatUp 1.5s ease-out forwards;
}

@keyframes floatUp {
  0% { opacity: 0; transform: translateY(10px) scale(0.5); }
  20% { opacity: 1; transform: translateY(-10px) scale(1.2); }
  80% { opacity: 1; transform: translateY(-30px) scale(1); }
  100% { opacity: 0; transform: translateY(-50px) scale(1); }
}

/* =========================================================
   AVATAR PROFESSOR
   ========================================================= */
#avatar-container {
  position: absolute;
  bottom: 20px;
  right: 20px;
  display: flex;
  align-items: flex-end;
  z-index: 1000;
  pointer-events: none;
}

#avatar-img {
  width: 150px;
  height: auto;
  filter: drop-shadow(0px 4px 10px rgba(0,0,0,0.5));
  animation: floatAvatar 3s ease-in-out infinite;
}

#avatar-bubble {
  background: rgba(255, 255, 255, 0.95);
  color: #1a1a2e;
  padding: 15px 20px;
  border-radius: 15px;
  border-bottom-right-radius: 2px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  font-weight: 600;
  font-size: 1.1rem;
  max-width: 250px;
  margin-bottom: 80px;
  margin-right: -20px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

#avatar-bubble.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes floatAvatar {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* =========================================================
   AVATAR FLAT E ANIMAÇÕES
   ========================================================= */
.flat-avatar {
  font-size: 100px;
  line-height: 1;
  filter: drop-shadow(0px 4px 10px rgba(0,0,0,0.3));
  transition: transform 0.1s;
}

.flat-avatar.talking {
  animation: avatarTalk 0.3s infinite alternate;
}

@keyframes avatarTalk {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-5px) rotate(2deg); }
}

/* =========================================================
   ZONAS DE DROP GUIADAS (VISÍVEIS)
   ========================================================= */
.guided-drop-zone {
  position: absolute;
  border: 2px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.15); box-shadow: 0 0 15px rgba(255,255,255,0.3); border-radius: 50%;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.8);
  font-weight: bold;
  text-shadow: 1px 1px 2px #000;
  box-shadow: 0 0 10px rgba(0,0,0,0.3) inset;
  transition: all 0.3s ease;
}

.guided-drop-zone.dz-hover {
  border-color: #4ade80;
  background: rgba(74, 222, 128, 0.2);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.5) inset;
  transform: scale(1.05);
}


/* =========================================================
   ANIMAÇÕES EXTRAS DO SERIOUS GAME
   ========================================================= */

/* Pulsação suave na zona de drop ativa */
@keyframes pulse {
  0% { box-shadow: 0 0 10px rgba(74,222,128,0.3); transform: scale(1); }
  50% { box-shadow: 0 0 25px rgba(74,222,128,0.6); transform: scale(1.05); }
  100% { box-shadow: 0 0 10px rgba(74,222,128,0.3); transform: scale(1); }
}

/* Brilho nos itens arrastáveis */
@keyframes itemGlow {
  0% { box-shadow: 0 8px 16px rgba(0,0,0,0.4); }
  50% { box-shadow: 0 8px 24px rgba(100,200,255,0.5), 0 0 8px rgba(100,200,255,0.3); }
  100% { box-shadow: 0 8px 16px rgba(0,0,0,0.4); }
}

/* Efeito de sucesso com brilho verde */
.anim-success-glow {
  animation: successGlow 0.8s ease-out !important;
}

@keyframes successGlow {
  0% { box-shadow: 0 0 0 rgba(74,222,128,0); transform: scale(1); }
  30% { box-shadow: 0 0 40px rgba(74,222,128,0.8); transform: scale(1.15); }
  100% { box-shadow: 0 0 0 rgba(74,222,128,0); transform: scale(1); }
}

/* Itens arrastáveis com hover mais vivo */
.dragging {
  transform: scale(1.1) rotate(2deg) !important;
  box-shadow: 0 12px 30px rgba(0,0,0,0.6) !important;
  z-index: 9999 !important;
  opacity: 0.9;
}

/* Float message animado +10 pontos */
.float-msg {
  position: absolute;
  font-weight: bold;
  font-size: 1.3rem;
  color: #4ade80;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  pointer-events: none;
  z-index: 9999;
  animation: floatUp 1.5s ease-out forwards;
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  50% { opacity: 1; transform: translateY(-30px) scale(1.2); }
  100% { opacity: 0; transform: translateY(-60px) scale(0.8); }
}

/* Sidebar slide-in */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Shake animation para erro */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
  animation: shake 0.5s ease-in-out;
}

/* Balão do professor com efeito typewriter */
#avatar-bubble {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  max-width: 70%;
  background: linear-gradient(135deg, rgba(30,30,50,0.95), rgba(20,20,40,0.95));
  color: #fff;
  padding: 16px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 1.1rem;
  line-height: 1.5;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  backdrop-filter: blur(20px);
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

#avatar-bubble.show {
  opacity: 1;
}

/* Entrada dos itens com stagger */
@keyframes itemEntrance {
  from { opacity: 0; transform: translateY(20px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Background transition suave */
#sim-bg-img {
  transition: opacity 0.5s ease !important;
}

/* =========================================================
   INVENTÁRIO LATERAL (DRAG AND DROP)
   ========================================================= */
#sim-inventory {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  padding: 0.5rem 0;
}

#sim-inventory .drag-item {
  position: relative !important;
  left: auto !important;
  top: auto !important;
  width: 100% !important;
  height: 80px !important;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3) !important;
}

#sim-inventory .drag-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0,0,0,0.5) !important;
}