:root{
  --bg:#0d0d10;
  --surface:#18181c;
  --surface-2:#202024;
  --text:#ffffff;
  --text-dim:#a7a7ad;
  --blue:#4f7cff;
  --purple:#9b5de5;
  --grad: linear-gradient(135deg, var(--blue), var(--purple));
  --grad-soft: linear-gradient(135deg, rgba(79,124,255,0.18), rgba(155,93,229,0.18));
  --radius:20px;
  --shadow: 0 10px 30px rgba(0,0,0,0.45);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3, .heading{font-family:'Poppins', sans-serif;}

.app{
  max-width:480px;
  margin:0 auto;
  min-height:100vh;
  position:relative;
  padding:32px 20px 48px;
  transition: max-width .3s ease;
}
@media (min-width:700px){
  .app{ max-width:1300px; padding:56px 48px 70px; }
}

/* ---------- transições de tela ---------- */
.screen{
  display:none;
  opacity:0;
  transform:translateY(14px);
  transition: opacity .45s ease, transform .45s ease;
}
.screen.active{
  display:block;
  opacity:1;
  transform:translateY(0);
}
.screen.leaving{
  opacity:0;
  transform:translateY(-14px);
}

/* ---------- tela inicial ---------- */
.home-header{
  text-align:center;
  margin-bottom:28px;
}
.home-title{
  font-size:26px;
  font-weight:800;
  margin:0 0 10px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.home-subtitle{
  color:var(--text-dim);
  font-size:14.5px;
  line-height:1.5;
  margin:0;
  /* SUBSTITUA ESTE TEXTO quando você decidir a frase final */
}

.progress-wrap{
  margin-top:20px;
  max-width:280px;
  margin-left:auto;
  margin-right:auto;
}
.progress-bar{
  width:100%;
  height:6px;
  border-radius:10px;
  background:var(--surface-2);
  overflow:hidden;
}
.progress-fill{
  height:100%;
  width:0%;
  background:var(--grad);
  border-radius:10px;
  transition:width .5s ease;
}
.progress-text{
  margin:8px 0 0;
  font-size:12px;
  color:var(--text-dim);
}

.mute-btn{
  position:fixed;
  top:16px;
  right:16px;
  width:42px;
  height:42px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(24,24,28,0.85);
  backdrop-filter:blur(6px);
  color:var(--text);
  font-size:17px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  z-index:40;
  transition:transform .15s ease, background .2s ease;
}
.mute-btn:hover{ background:rgba(36,36,42,0.9); }
.mute-btn:active{ transform:scale(0.92); }

.song-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.song-card{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--surface);
  border-radius:var(--radius);
  padding:14px;
  cursor:pointer;
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,0.05);
  transition: transform .2s ease, background .3s ease, opacity .4s ease, filter .4s ease;
}
.song-card:active{ transform:scale(0.98); }
.song-card::before{
  content:"";
  position:absolute;
  inset:0;
  background:var(--grad-soft);
  opacity:0;
  transition:opacity .3s ease;
}
.song-card:hover::before{ opacity:1; }

.album-art{
  width:56px;
  height:56px;
  border-radius:10px;
  flex-shrink:0;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  position:relative;
  z-index:1;
  background-size: cover !important; 
  background-position: center !important;
  background-repeat: no-repeat !important;
}
.album-art-icon{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  color:rgba(255,255,255,0.32);
  pointer-events:none;
}

.vinyl-wrap{
  width:56px;
  height:56px;
  flex-shrink:0;
  margin-left:-30px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:2;
  cursor:pointer;
}
.vinyl{
  width:52px;
  height:52px;
  border-radius:50%;
  background:
    radial-gradient(circle at center, var(--surface-2) 0 8px, #060608 8.5px 9.5px, #17171b 10px 100%);
  border:2px solid rgba(255,255,255,0.08);
  position:relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  transition: box-shadow .3s ease;
}
.vinyl::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:50%;
  background: repeating-radial-gradient(circle at center, transparent 0 3px, rgba(255,255,255,0.035) 3.5px 4px);
}
.vinyl.spinning{
  animation: spin 2.4s linear infinite;
  box-shadow: 0 0 0 3px rgba(155,93,229,0.25), 0 4px 16px rgba(0,0,0,0.55);
}
@keyframes spin{ from{transform:rotate(0)} to{transform:rotate(360deg)} }

.song-info{
  flex:1;
  min-width:0;
  z-index:1;
}
.song-title{
  font-weight:600;
  font-size:15.5px;
  margin:0 0 2px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.song-status{
  margin:0;
  font-size:12.5px;
  color:var(--text-dim);
  line-height:1.4;
}

.play-hint{
  z-index:1;
  font-size:11px;
  color:var(--text-dim);
  padding:5px 10px;
  border:1px solid rgba(255,255,255,0.12);
  border-radius:20px;
  flex-shrink:0;
}

/* estado reservado */
.song-card.reserved{
  opacity:0.55;
  filter:grayscale(0.4);
  cursor:default;
}
.song-card.reserved .vinyl-wrap{ pointer-events:none; }

/* ---------- layout horizontal para tablet/notebook (tela larga) ---------- */
@media (min-width:900px){
  .song-list{
    flex-direction:row;
    flex-wrap:nowrap;
    justify-content:center;
    gap:16px;
  }
  .song-card{
    flex-direction:column;
    align-items:center;
    text-align:center;
    flex:1 1 0;
    max-width:280px;
    padding:28px 16px 26px;
    gap:0;
  }
  .album-art{
    width:100%;
    aspect-ratio:1/1;
    max-width:100%;
    height:auto;
    border-radius:20px;
  }
  .album-art-icon{ font-size:56px; }
  .vinyl-wrap{
    width:82px;
    height:82px;
    margin-left:0;
    margin-top:-44px;
    align-self:flex-end;
    margin-right:10px;
  }
  .vinyl{ width:78px; height:78px; }
  .song-info{
    margin-top:18px;
    width:100%;
  }
  .song-title{
    white-space:normal;
    font-size:17px;
  }
  .song-status{ font-size:13.5px; }
  .play-hint{
    position:absolute;
    top:16px;
    right:16px;
  }
}

/* ---------- telas de introdução e final (mensagem) ---------- */
.message-screen{
  max-width:440px;
  margin:0 auto;
  text-align:center;
  padding-top:12vh;
}
.message-icon{
  font-size:44px;
  margin-bottom:18px;
}
.message-title{
  font-size:28px;
  font-weight:800;
  margin:0 0 16px;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.25;
}
.message-text{
  color:var(--text-dim);
  font-size:15px;
  line-height:1.65;
  margin:0 0 32px;
}
.message-btn{
  border:none;
  border-radius:16px;
  padding:16px 30px;
  font-size:15px;
  font-weight:700;
  font-family:'Poppins', sans-serif;
  color:#fff;
  background:var(--grad);
  cursor:pointer;
  transition:transform .15s ease;
}
.message-btn:active{ transform:scale(0.97); }
.message-link{
  display:inline-block;
  margin-top:18px;
  color:var(--text-dim);
  font-size:13px;
  text-decoration:underline;
  cursor:pointer;
  background:none;
  border:none;
  font-family:'Inter', sans-serif;
}
.message-link:hover{ color:var(--text); }

/* ---------- tela do encontro ---------- */
.date-screen-inner{
  background:var(--surface);
  border-radius:var(--radius);
  padding:26px 22px 28px;
  box-shadow:var(--shadow);
  max-width:520px;
  margin:0 auto;
}
.back-btn{
  background:none;
  border:none;
  color:var(--text-dim);
  font-size:14px;
  display:flex;
  align-items:center;
  gap:6px;
  cursor:pointer;
  padding:0 0 18px;
  font-family:'Inter', sans-serif;
}
.back-btn:hover{ color:var(--text); }

.date-title{
  font-size:22px;
  font-weight:700;
  margin:0 0 12px;
}
.date-phrase{
  color:var(--text-dim);
  font-size:14.5px;
  line-height:1.55;
  margin:0 0 24px;
}

.options{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin-bottom:22px;
}
.option{
  display:flex;
  align-items:center;
  gap:12px;
  background:var(--surface-2);
  border:1.5px solid transparent;
  border-radius:14px;
  padding:15px 16px;
  cursor:pointer;
  transition: border-color .2s ease, background .2s ease;
}
.option:hover{ background:#26262b; }
.option.selected{
  border-color:var(--purple);
  background: var(--grad-soft);
}
.option-radio{
  width:19px;
  height:19px;
  border-radius:50%;
  border:2px solid var(--text-dim);
  flex-shrink:0;
  position:relative;
  transition:border-color .2s ease;
}
.option.selected .option-radio{
  border-color:transparent;
  background:var(--grad);
}
.option.selected .option-radio::after{
  content:"";
  position:absolute;
  inset:5px;
  border-radius:50%;
  background:#fff;
}
.option-label{ font-size:14.5px; line-height:1.4; }

.other-input-wrap{
  max-height:0;
  overflow:hidden;
  transition: max-height .35s ease, margin .35s ease;
}
.other-input-wrap.open{
  max-height:100px;
  margin-top:2px;
}
.other-input{
  width:100%;
  background:var(--bg);
  border:1.5px solid rgba(255,255,255,0.12);
  border-radius:12px;
  padding:12px 14px;
  color:var(--text);
  font-family:'Inter', sans-serif;
  font-size:14px;
  resize:none;
}
.other-input:focus{
  outline:none;
  border-color:var(--purple);
}

.confirm-btn{
  width:100%;
  border:none;
  border-radius:16px;
  padding:16px;
  font-size:15.5px;
  font-weight:700;
  font-family:'Poppins', sans-serif;
  color:#fff;
  background:var(--grad);
  cursor:pointer;
  opacity:0.4;
  pointer-events:none;
  transition: opacity .25s ease, transform .15s ease;
}
.confirm-btn.enabled{
  opacity:1;
  pointer-events:auto;
}
.confirm-btn:active{ transform:scale(0.98); }

/* ---------- overlay de sucesso ---------- */
.success-overlay{
  position:fixed;
  inset:0;
  background:rgba(8,8,10,0.75);
  backdrop-filter:blur(6px);
  display:flex;
  align-items:center;
  justify-content:center;
  opacity:0;
  pointer-events:none;
  transition:opacity .35s ease;
  z-index:50;
  padding:20px;
}
.success-overlay.show{
  opacity:1;
  pointer-events:auto;
}
.success-card{
  background:var(--surface);
  border-radius:22px;
  padding:36px 28px;
  text-align:center;
  max-width:340px;
  transform:scale(0.85);
  transition:transform .35s cubic-bezier(.34,1.56,.64,1);
  box-shadow:var(--shadow);
}
.success-overlay.show .success-card{ transform:scale(1); }
.success-icon{
  width:64px;
  height:64px;
  border-radius:50%;
  background:var(--grad);
  margin:0 auto 18px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:30px;
}
.success-title{
  font-size:18px;
  font-weight:700;
  margin:0 0 8px;
}
.success-text{
  color:var(--text-dim);
  font-size:13.5px;
  line-height:1.5;
  margin:0;
}

/* ---------- respeita a preferência de "reduzir movimento" do sistema ---------- */
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
  }
  .vinyl.spinning{ animation:none; box-shadow: 0 0 0 3px rgba(155,93,229,0.35), 0 4px 16px rgba(0,0,0,0.55); }
}