*{box-sizing:border-box;margin:0;padding:0;}
:root{
  --bg:#1a0e08;--bg2:#2c1810;--bg3:#3d2415;
  --parchment:#f0ddb0;--parchment2:#e8d090;--parchment3:#d4b878;
  --gold:#c9a030;--gold2:#e8c040;--gold3:#f5d060;
  --brown:#6b3a1a;--brown2:#8b4a2a;
  --text:#1a0a00;--text2:#4a2010;--text3:#8b5030;
  --red:#8b1a1a;--green:#1a5a1a;--blue:#1a3a6b;
  --border:#a07828;
  --shadow:0 2px 8px rgba(0,0,0,0.6);
  --inset:inset 0 1px 3px rgba(0,0,0,0.4);
}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Georgia','Times New Roman','游明朝','Yu Mincho',serif;
  min-height:100vh;
  background-image:
    radial-gradient(ellipse at 20% 20%, #3d2010 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, #2a1508 0%, transparent 50%);
}
 
/* ===== MODALS ===== */
.modal-overlay{
  position:fixed;inset:0;
  background:rgba(10,5,2,0.88);
  display:flex;align-items:center;justify-content:center;
  z-index:1000;
  backdrop-filter:blur(2px);
}
.modal-overlay.hidden{display:none;}
.modal-box{
  background:var(--parchment);
  border:3px solid var(--gold);
  border-radius:4px;
  padding:2rem;
  max-width:480px;width:90%;
  box-shadow:0 0 40px rgba(200,160,0,0.3),var(--shadow);
  position:relative;
}
.modal-box::before{
  content:'';position:absolute;inset:6px;
  border:1px solid var(--parchment3);
  pointer-events:none;border-radius:2px;
}
.modal-box h2{
  color:var(--brown);
  font-size:1.3rem;
  text-align:center;
  margin-bottom:0.5rem;
  letter-spacing:0.1em;
  text-shadow:1px 1px 0 var(--parchment3);
}
.modal-note{
  font-size:0.72rem;color:var(--red);
  text-align:center;margin-bottom:1.2rem;
  font-style:italic;
}
.modal-box label{
  display:block;font-size:0.85rem;
  color:var(--brown);margin-bottom:0.4rem;
  font-weight:bold;
}
.modal-box input[type=text]{
  width:100%;padding:0.5rem 0.8rem;
  border:2px solid var(--gold);
  background:var(--parchment2);
  color:var(--text);font-family:inherit;
  font-size:1rem;border-radius:2px;
  outline:none;
}
.modal-box input[type=text]:focus{
  border-color:var(--gold2);
  box-shadow:0 0 8px rgba(200,160,0,0.4);
}
.btn-gold{
  display:block;width:100%;
  margin-top:1rem;padding:0.6rem 1rem;
  background:linear-gradient(180deg,var(--gold2),var(--gold));
  border:2px solid var(--brown);
  color:var(--bg);font-family:inherit;
  font-size:0.9rem;font-weight:bold;
  cursor:pointer;border-radius:2px;
  letter-spacing:0.1em;
  transition:all 0.15s;
}
.btn-gold:hover{
  background:linear-gradient(180deg,var(--gold3),var(--gold2));
  transform:translateY(-1px);
  box-shadow:0 3px 12px rgba(200,160,0,0.5);
}
.btn-gold:active{transform:translateY(0);}
.btn-gold:disabled{opacity:0.5;cursor:not-allowed;transform:none;}
 
/* ===== MAIN LAYOUT ===== */
#mainLayout{
  display:grid;
  grid-template-columns:220px 1fr 200px;
  grid-template-rows:1fr;
  height:100vh;
  max-width:1200px;
  margin:0 auto;
}
@media(max-width:900px){
  #mainLayout{
    grid-template-columns:1fr;
    grid-template-rows:auto 1fr auto;
    height:auto;min-height:100vh;
  }
}
 
/* ===== LEFT SIDEBAR ===== */
#leftSide{
  background:var(--bg2);
  border-right:2px solid var(--border);
  overflow-y:auto;
  display:flex;flex-direction:column;
}
@media(max-width:900px){
  #leftSide{order:3;border-right:none;border-top:2px solid var(--border);}
}
.left-section{
  border-bottom:1px solid var(--brown2);
}
.section-header{
  padding:0.5rem 0.8rem;
  background:var(--bg3);
  color:var(--gold);
  font-size:0.78rem;
  font-weight:bold;
  letter-spacing:0.1em;
  cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  user-select:none;
}
.section-header:hover{background:var(--brown);}
.section-header .toggle-icon{
  transition:transform 0.2s;font-size:0.6rem;
}
.section-header.collapsed .toggle-icon{transform:rotate(-90deg);}
.section-body{
  padding:0.5rem;
  overflow:hidden;
  transition:max-height 0.3s ease;
}
.section-body.collapsed{max-height:0;padding:0;overflow:hidden;}
 
/* inventory items */
.inv-item{
  padding:0.3rem 0.5rem;
  background:var(--parchment);
  border:1px solid var(--parchment3);
  border-radius:2px;
  margin-bottom:3px;
  font-size:0.72rem;
  cursor:pointer;
  color:var(--text);
  transition:background 0.1s;
  display:flex;justify-content:space-between;align-items:center;
}
.inv-item:hover{background:var(--parchment2);}
.inv-item .item-count{
  background:var(--gold);
  color:var(--bg);
  border-radius:10px;
  padding:0 5px;
  font-size:0.65rem;font-weight:bold;
}
.inv-empty{
  font-size:0.72rem;color:var(--text3);
  padding:0.3rem;font-style:italic;
}
 
/* achievement */
.ach-row{
  font-size:0.7rem;color:var(--parchment3);
  padding:2px 0.3rem;
  display:flex;justify-content:space-between;
}
.ach-row .ach-val{color:var(--gold2);}
 
/* sound settings */
.sound-row{
  padding:0.25rem 0.5rem;
  display:flex;align-items:center;gap:0.4rem;
  font-size:0.68rem;color:var(--parchment3);
}
.sound-row input[type=range]{
  width:80px;accent-color:var(--gold);
  cursor:pointer;
}
 
/* ===== CENTER MAIN ===== */
#centerMain{
  display:flex;flex-direction:column;
  overflow:hidden;
  background:var(--parchment);
  background-image:
    repeating-linear-gradient(0deg,transparent,transparent 27px,rgba(160,120,40,0.12) 27px,rgba(160,120,40,0.12) 28px);
}
 
/* Thread title */
#threadTitle{
  background:linear-gradient(180deg,var(--bg3),var(--bg2));
  color:var(--gold2);
  padding:0.5rem 1rem;
  font-size:0.82rem;
  font-weight:bold;
  letter-spacing:0.05em;
  border-bottom:2px solid var(--border);
  font-family:'Courier New',monospace;
}
 
/* Log container */
#logContainer{
  flex:1;
  overflow-y:auto;
  padding:0.5rem 0.8rem;
  scroll-behavior:smooth;
}
#logContainer::-webkit-scrollbar{width:6px;}
#logContainer::-webkit-scrollbar-track{background:var(--parchment3);}
#logContainer::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}
 
/* Log comment */
.log-comment{
  margin-bottom:0.6rem;
  animation:fadeIn 0.3s ease;
  border-bottom:1px solid rgba(160,120,40,0.2);
  padding-bottom:0.4rem;
}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}
.log-meta{
  font-size:0.67rem;
  color:var(--text3);
  font-family:'Courier New',monospace;
  margin-bottom:2px;
}
.log-meta .log-num{color:var(--gold);}
.log-meta .log-name{color:var(--brown2);font-weight:bold;}
.log-meta .log-name.is-player{color:var(--red);}
.log-meta .log-name.is-npc{color:var(--blue);}
.log-meta .log-name.is-enemy{color:var(--red);}
.log-meta .log-name.is-system{color:var(--green);}
.log-body{
  font-size:0.82rem;
  line-height:1.6;
  color:var(--text);
  padding-left:0.8rem;
  white-space:pre-line;
}
.log-body.log-bold{font-weight:bold;}
.log-body.log-red{color:var(--red);}
.log-body.log-gold{color:var(--brown);}
.log-body.log-green{color:var(--green);}
.log-body.log-blue{color:var(--blue);}
.log-body.log-gray{color:var(--text3);}
.log-body.log-big{font-size:1rem;font-weight:bold;}
 
/* Command area */
#commandArea{
  background:linear-gradient(180deg,transparent,rgba(200,160,40,0.08));
  border-top:2px solid var(--border);
  padding:0.6rem;
  min-height:80px;
}
.cmd-label{
  font-size:0.68rem;color:var(--text3);
  margin-bottom:0.4rem;font-style:italic;
  font-family:'Courier New',monospace;
}
.cmd-grid{
  display:flex;flex-wrap:wrap;gap:0.4rem;
}
.cmd-btn{
  padding:0.4rem 0.8rem;
  background:linear-gradient(180deg,var(--parchment2),var(--parchment3));
  border:2px solid var(--border);
  color:var(--text);
  font-family:inherit;font-size:0.78rem;
  cursor:pointer;border-radius:2px;
  transition:all 0.12s;
  font-weight:bold;
  letter-spacing:0.05em;
}
.cmd-btn:hover{
  background:linear-gradient(180deg,var(--gold2),var(--gold));
  color:var(--bg);
  transform:translateY(-1px);
  box-shadow:0 2px 6px rgba(200,160,0,0.4);
}
.cmd-btn:active{transform:translateY(0);}
.cmd-btn:disabled{opacity:0.4;cursor:not-allowed;transform:none;}
.cmd-btn.cmd-danger{
  background:linear-gradient(180deg,#d44,#a22);
  border-color:#800;color:#fff;
}
.cmd-btn.cmd-danger:hover{background:linear-gradient(180deg,#e66,#c33);}
 
/* ===== RIGHT SIDEBAR STATUS ===== */
#rightSide{
  background:var(--bg2);
  border-left:2px solid var(--border);
  overflow-y:auto;
  padding:0.5rem;
}
@media(max-width:900px){
  #rightSide{order:1;border-left:none;border-bottom:2px solid var(--border);}
}
.status-panel{
  background:var(--parchment);
  border:2px solid var(--gold);
  border-radius:3px;
  padding:0.6rem;
  box-shadow:var(--shadow);
}
.status-panel h3{
  text-align:center;
  color:var(--brown);
  font-size:0.75rem;
  letter-spacing:0.1em;
  margin-bottom:0.5rem;
  border-bottom:1px solid var(--parchment3);
  padding-bottom:0.3rem;
}
.stat-row{
  display:flex;justify-content:space-between;align-items:baseline;
  font-size:0.72rem;
  padding:1px 0;
}
.stat-label{color:var(--text3);font-weight:bold;}
.stat-val{color:var(--text);font-family:'Courier New',monospace;}
.stat-val.hp-val{color:var(--green);}
.stat-val.hp-low{color:var(--red);animation:pulse 1s infinite;}
.stat-val.gold-val{color:var(--brown);}
.stat-val.lv-val{color:var(--blue);}
.stat-val.buff{color:var(--green);}
.stat-val.debuff{color:var(--red);}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:0.5;}}
.exp-bar-wrap{
  margin:4px 0;
  background:var(--parchment3);
  border:1px solid var(--border);
  border-radius:2px;
  height:6px;overflow:hidden;
}
.exp-bar{
  height:100%;
  background:linear-gradient(90deg,var(--gold),var(--gold2));
  transition:width 0.5s ease;
}
.stat-divider{
  border:none;border-top:1px dashed var(--parchment3);
  margin:4px 0;
}
 
/* ===== BATTLE POPUP ===== */
#battleModal .modal-box{
  max-width:560px;
  max-height:90vh;
  display:flex;flex-direction:column;
  overflow:hidden;
}
#battleModal h2{
  font-size:1.1rem;
  color:var(--red);
}
.battle-enemy-info{
  background:var(--parchment3);
  border:1px solid var(--border);
  border-radius:2px;
  padding:0.5rem;
  margin:0.5rem 0;
  font-size:0.75rem;
}
.battle-enemy-name{
  font-size:0.95rem;font-weight:bold;
  color:var(--red);
}
.enemy-hp-bar-wrap{
  background:var(--parchment2);
  border:1px solid var(--border);
  border-radius:2px;height:8px;
  margin:4px 0;overflow:hidden;
}
.enemy-hp-bar{
  height:100%;
  background:linear-gradient(90deg,#2a6,#4c8);
  transition:width 0.4s ease;
}
.battle-log{
  flex:1;
  overflow-y:scroll;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:2px;
  padding:0.5rem;
  min-height:100px;
  max-height:200px;
  font-size:0.75rem;
  margin:0.5rem 0;
  scrollbar-width:thin;
  scrollbar-color:var(--border) var(--bg2);
}
.battle-log::-webkit-scrollbar{width:6px;}
.battle-log::-webkit-scrollbar-track{background:var(--bg2);}
.battle-log::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}
.battle-log-line{
  color:var(--parchment);
  line-height:1.5;
  animation:fadeIn 0.2s ease;
}
.battle-log-line.bl-red{color:#f66;}
.battle-log-line.bl-green{color:#6f6;}
.battle-log-line.bl-gold{color:var(--gold2);}
.battle-log-line.bl-gray{color:#888;}
.battle-cmds{
  display:flex;flex-wrap:wrap;gap:0.35rem;
  margin-top:0.4rem;
}
.battle-cmds .cmd-btn{font-size:0.72rem;padding:0.35rem 0.6rem;}
 
/* 戦闘中プレイヤーステータス */
.battle-player-stats{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2px 8px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:2px;
  padding:0.35rem 0.5rem;
  margin:0.35rem 0;
  font-size:0.68rem;
  font-family:'Courier New',monospace;
}
.bps-row{display:flex;justify-content:space-between;gap:4px;}
.bps-label{color:#888;}
.bps-val{color:var(--parchment);}
.bps-val.bps-hp{color:#6f6;}
.bps-val.bps-hp-low{color:#f66;animation:pulse 1s infinite;}
.bps-val.bps-gold{color:var(--gold2);}
 
/* item popup */
#itemPopup .modal-box{max-width:360px;}
#itemPopup .item-popup-name{
  font-size:1.1rem;font-weight:bold;
  color:var(--brown);text-align:center;
  margin-bottom:0.4rem;
}
#itemPopup .item-popup-desc{
  font-size:0.82rem;line-height:1.6;
  color:var(--text2);margin-bottom:0.8rem;
}
#itemPopup .item-popup-detail{
  font-size:0.72rem;color:var(--text3);
  background:var(--parchment3);
  border:1px solid var(--border);
  border-radius:2px;padding:0.4rem;
}
.popup-close{
  position:absolute;top:8px;right:12px;
  background:none;border:none;
  color:var(--text3);font-size:1.2rem;
  cursor:pointer;font-family:inherit;
}
.popup-close:hover{color:var(--red);}
 
/* scrollbar global */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:var(--bg2);}
::-webkit-scrollbar-thumb{background:var(--border);}
 
/* ===== OVERLAY LOADING ===== */
#loadingDiv{
  position:fixed;inset:0;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  z-index:2000;transition:opacity 0.5s;
}
#loadingDiv .ld-text{
  color:var(--gold);font-size:1.2rem;
  letter-spacing:0.2em;
  text-shadow:0 0 20px var(--gold);
  animation:pulse 1.5s infinite;
}