:root{
  --paper:#F5EFE3;
  --paper-line:#E4DCC8;
  --ink:#2B2620;
  --ink-soft:#6B6255;
  --lacquer:#B33A3A;
  --sage:#5F7A5C;
  --gold:#B8891F;
  --indigo:#3E5C82;
  --card:#FBF8F1;
  --shadow:0 1px 0 rgba(43,38,32,.06),0 8px 20px -12px rgba(43,38,32,.25);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:
    linear-gradient(var(--paper-line) 1px,transparent 1px) 0 0/100% 32px,
    var(--paper);
  color:var(--ink);
  font-family:'Be Vietnam Pro',sans-serif;
  min-height:100vh;
  padding:28px 20px calc(60px + var(--safe-bottom));
}
button,input,select,textarea{font:inherit;}
button{cursor:pointer;-webkit-tap-highlight-color:transparent;}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(62,92,130,.28);
  outline-offset:2px;
}
.wrap{max-width:960px;margin:0 auto;}
header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:6px;gap:12px;flex-wrap:wrap;
}
h1{
  font-family:'Noto Serif',serif;
  font-size:32px;font-weight:700;margin:0;
  letter-spacing:0;
}
.header-actions{display:flex;gap:10px;align-items:center;}
.icon-round-btn{
  background:var(--card);border:1px solid var(--paper-line);
  width:38px;height:38px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:16px;box-shadow:var(--shadow);
}
.panel-toggle{
  background:var(--ink);color:var(--paper);
  border:none;border-radius:20px;padding:9px 16px;
  font-family:'Be Vietnam Pro';font-weight:600;font-size:14.5px;cursor:pointer;
  box-shadow:var(--shadow);
}
.subline{color:var(--ink-soft);font-size:15.5px;margin:0 0 22px;}

.controlbar{
  display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap;
  font-size:14px;color:var(--ink-soft);
}
.segmented{display:flex;border:1px solid var(--paper-line);border-radius:8px;overflow:hidden;background:var(--card);}
.segmented button{
  border:none;background:transparent;padding:7px 14px;font-family:'Be Vietnam Pro';
  font-size:13.5px;cursor:pointer;color:var(--ink-soft);
}
.segmented button.active{background:var(--ink);color:var(--paper);font-weight:600;}
select{
  font-family:'Be Vietnam Pro';font-size:15px;color:var(--ink);
  background:var(--card);border:1px solid var(--paper-line);
  padding:7px 11px;border-radius:6px;max-width:240px;
}
.toggle-row{display:flex;align-items:center;gap:6px;}
.toggle-row input{accent-color:var(--lacquer);}

.composer{
  background:var(--card);
  border:1px solid var(--paper-line);
  border-radius:10px;
  box-shadow:var(--shadow);
  padding:14px 16px;
  display:flex;gap:10px;align-items:center;
  margin-bottom:14px;
}
.composer::before{content:"✎";color:var(--lacquer);font-size:16px;}
.composer input{
  flex:1;border:none;background:transparent;outline:none;
  font-family:'Be Vietnam Pro';font-size:17.5px;color:var(--ink);
  min-width:0;
}
.composer input::placeholder{color:#a89f8e;}
.sendbtn{
  background:var(--ink);color:var(--paper);
  border:none;border-radius:7px;padding:10px 18px;
  font-family:'Be Vietnam Pro';font-weight:600;font-size:15px;cursor:pointer;
  white-space:nowrap;
}
.sendbtn:disabled{opacity:.5;cursor:not-allowed;}

.status-line{font-size:13.5px;color:var(--ink-soft);min-height:20px;margin-bottom:14px;}
.status-line.error{color:var(--lacquer);}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:720px){.grid{grid-template-columns:1fr;}}

.card{
  background:var(--card);
  border:1px solid var(--paper-line);
  border-radius:4px 4px 10px 10px;
  box-shadow:var(--shadow);
  padding:18px 18px 16px;
  position:relative;
}
.tape{position:absolute;top:-10px;left:24px;width:64px;height:22px;opacity:.85;transform:rotate(-3deg);border-radius:2px;}
.card.natural .tape{background:repeating-linear-gradient(45deg,var(--sage),var(--sage) 4px,#eef2ec 4px,#eef2ec 8px);}
.card.casual .tape{background:repeating-linear-gradient(45deg,var(--gold),var(--gold) 4px,#f8eed4 4px,#f8eed4 8px);}
.card.question .tape{background:repeating-linear-gradient(45deg,var(--indigo),var(--indigo) 4px,#e5ecf4 4px,#e5ecf4 8px);}
.card.flirty .tape{background:repeating-linear-gradient(45deg,var(--lacquer),var(--lacquer) 4px,#f6e3e3 4px,#f6e3e3 8px);}

.style-label{
  font-family:'JetBrains Mono',monospace;font-size:12px;text-transform:uppercase;
  letter-spacing:.06em;color:var(--ink-soft);margin:6px 0 10px;
}
.card.natural .style-label{color:var(--sage);}
.card.casual .style-label{color:var(--gold);}
.card.question .style-label{color:var(--indigo);}
.card.flirty .style-label{color:var(--lacquer);}

.en{font-family:'Noto Serif',serif;font-size:23px;font-weight:600;line-height:1.45;margin:0 0 10px;user-select:text;-webkit-user-select:text;}
.marked-text{
  background:rgba(184,137,31,.26);
  border-radius:5px;
  padding:0 2px;
  box-decoration-break:clone;
  -webkit-box-decoration-break:clone;
}

.icon-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.icon-btn{
  border:1px solid var(--paper-line);background:#fff;color:var(--ink);
  min-width:32px;height:32px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:14px;padding:0 9px;
}
.icon-btn.text-btn{
  width:auto;border-radius:16px;font-size:12.5px;font-weight:600;
}
.icon-btn.bookmarked{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.icon-btn.playing{background:var(--sage);color:#fff;border-color:var(--sage);}
.icon-btn:disabled{opacity:.65;cursor:wait;}

.backtranslate{
  font-size:16px;color:var(--ink-soft);font-style:italic;
  padding-left:10px;border-left:2px solid var(--paper-line);
  margin-bottom:12px;
}

.vocab{margin-bottom:12px;}
.vocab-title{font-size:12.5px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;}
.vocab-item{font-size:15px;margin-bottom:5px;display:flex;align-items:center;gap:5px;flex-wrap:wrap;}
.vocab-item .en-w{font-weight:600;}
.vocab-item .star{cursor:pointer;color:#c8bfa8;margin-right:4px;border:0;background:transparent;padding:0;font-size:15px;}
.vocab-item .star.on{color:var(--gold);}
.mini-action{
  border:1px solid var(--paper-line);
  background:#fff;
  color:var(--ink-soft);
  border-radius:12px;
  padding:2px 7px;
  font-size:11.5px;
}

.note{
  font-family:'Be Vietnam Pro';font-style:italic;font-size:16.5px;color:var(--indigo);
  line-height:1.45;margin-top:10px;
  border-top:1px dashed var(--paper-line);padding-top:8px;
}

.placeholder{
  text-align:center;color:var(--ink-soft);padding:60px 20px;
  font-size:15px;border:1px dashed var(--paper-line);border-radius:10px;
}

/* settings modal */
.overlay{position:fixed;inset:0;background:rgba(43,38,32,.4);display:none;align-items:center;justify-content:center;z-index:70;padding:16px;}
.overlay.open{display:flex;}
.modal{
  background:var(--paper);border:1px solid var(--paper-line);border-radius:12px;
  width:420px;max-width:90vw;max-height:85vh;overflow-y:auto;padding:22px;box-shadow:var(--shadow);
}
.modal h2,.panel h2,.edit-dialog h2{font-family:'Noto Serif',serif;font-size:21px;margin:0 0 4px;}
.modal .hint{font-size:13px;color:var(--ink-soft);margin-bottom:18px;line-height:1.45;}
.field{margin-bottom:14px;}
.field label,.edit-dialog label{display:block;font-size:13px;font-weight:600;margin-bottom:5px;}
.field input,.edit-dialog input,.edit-dialog textarea{
  width:100%;padding:9px 11px;border:1px solid var(--paper-line);border-radius:7px;
  font-family:'JetBrains Mono',monospace;font-size:13px;background:var(--card);color:var(--ink);
}
.edit-dialog textarea{font-family:'Be Vietnam Pro';resize:vertical;line-height:1.4;}
.setting-toggle{font-size:13px;color:var(--ink-soft);margin:8px 0;}
.modal-actions,.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px;}
.btn-secondary{background:var(--card);border:1px solid var(--paper-line);border-radius:7px;padding:9px 16px;font-family:'Be Vietnam Pro';font-size:14px;cursor:pointer;}
.btn-primary{background:var(--ink);color:var(--paper);border:none;border-radius:7px;padding:9px 16px;font-family:'Be Vietnam Pro';font-weight:600;font-size:14px;cursor:pointer;}

.edit-dialog{
  width:420px;max-width:90vw;border:1px solid var(--paper-line);border-radius:12px;
  background:var(--paper);color:var(--ink);padding:0;box-shadow:var(--shadow);
}
.edit-dialog::backdrop{background:rgba(43,38,32,.42);}
.edit-dialog form{padding:22px;display:grid;gap:10px;}

/* side panel */
.panel{
  position:fixed;top:0;right:-360px;width:340px;height:100%;
  background:var(--paper);border-left:1px solid var(--paper-line);
  transition:right .25s ease;padding:22px 18px;overflow-y:auto;
  box-shadow:-10px 0 30px -20px rgba(0,0,0,.3);z-index:60;
}
.panel.open{right:0;}
.panel-tabs{display:flex;gap:4px;margin:14px 0;flex-wrap:wrap;}
.panel-tabs button{
  flex:1 1 46%;padding:7px 4px;border-radius:6px;border:1px solid var(--paper-line);
  background:var(--card);font-family:'Be Vietnam Pro';font-size:11.5px;cursor:pointer;
}
.panel-tabs button.active{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.panel-backdrop{position:fixed;inset:0;background:rgba(43,38,32,.22);z-index:50;}
.saved-item{
  background:var(--card);border:1px solid var(--paper-line);border-radius:8px;
  padding:11px 13px;margin-bottom:8px;font-size:14.5px;position:relative;
}
.saved-item .actions{position:absolute;top:9px;right:10px;display:flex;gap:8px;color:var(--ink-soft);font-size:13px;}
.saved-item .actions button{cursor:pointer;border:0;background:transparent;color:inherit;padding:0;}
.saved-item .ctx{color:var(--ink-soft);font-size:13px;margin-top:4px;font-style:italic;padding-right:48px;}
.saved-item.clickable{cursor:pointer;transition:border-color .15s,background .15s;}
.saved-item.clickable:hover{border-color:var(--indigo);background:#fff;}
.empty-msg{color:var(--ink-soft);font-size:13.5px;text-align:center;padding:30px 10px;}

.selection-bar{
  position:fixed;left:12px;right:12px;bottom:calc(12px + var(--safe-bottom));
  z-index:90;background:var(--ink);color:var(--paper);border:1px solid rgba(245,239,227,.18);
  border-radius:12px;box-shadow:0 16px 42px -24px rgba(0,0,0,.7);
  padding:10px;display:grid;grid-template-columns:1fr auto auto auto;gap:8px;align-items:center;
}
.selection-bar span{display:block;font-size:11px;color:rgba(245,239,227,.7);}
.selection-bar strong{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;}
.selection-bar button{
  border:1px solid rgba(245,239,227,.2);background:rgba(255,255,255,.08);color:var(--paper);
  border-radius:14px;padding:7px 10px;font-size:12.5px;font-weight:600;
}
.selection-bar button:last-child{background:var(--paper);color:var(--ink);}

@media(max-width:560px){
  body{padding:20px 12px calc(82px + var(--safe-bottom));}
  h1{font-size:28px;}
  header{align-items:flex-start;}
  .controlbar{gap:9px;font-size:13px;}
  .segmented button{padding:7px 12px;}
  .composer{padding:12px;align-items:stretch;}
  .composer input{font-size:16px;}
  .sendbtn{padding:9px 13px;}
  .panel{
    top:auto;left:0;right:0;bottom:-88vh;width:100%;height:82vh;
    border-left:0;border-top:1px solid var(--paper-line);
    border-radius:16px 16px 0 0;transition:bottom .25s ease;
  }
  .panel.open{right:0;bottom:0;}
  .selection-bar{grid-template-columns:1fr 1fr 1fr;gap:7px;}
  .selection-copy{grid-column:1/-1;}
}