/* ============================================================
   宸鑫車業 ERP — 樣式表(純 HTML/CSS/JS 版)
   ============================================================ */

:root{
  --bg:#0a0a0a;
  --panel:#111111;
  --border:#2a2520;
  --border2:rgba(201,162,75,.1);
  --text:#e4e4e7;
  --muted:#a1a1aa;
  --muted2:#71717a;
  --dim:#52525b;
  --gold:#d4a643;
  --gold-dark:#b8912e;
  --gold-dim:rgba(212,166,67,.12);
  --blue:#3b82f6;
  --green:#22c55e;
  --red:#ef4444;
  --red-bg:rgba(220,38,38,.12);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
}
button,input,select,textarea{font-family:inherit}
a{color:inherit}
.hidden{display:none!important}

/* ---------- 版面 ---------- */
#app-shell{display:flex;min-height:100vh}

#sidebar{
  width:220px;background:var(--panel);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0;z-index:50;
}
#sidebar.open{left:0}
.sidebar-brand{padding:20px 16px;border-bottom:1px solid var(--border)}
.sidebar-brand b{display:block;font-size:18px;font-weight:700;color:var(--gold);letter-spacing:1px}
.sidebar-brand small{display:block;font-size:11px;color:#8b7a4e;margin-top:2px;letter-spacing:2px}
.sidebar-nav{flex:1;padding:8px 0}
.nav-btn{
  display:flex;align-items:center;gap:10px;width:100%;padding:10px 16px;
  background:transparent;color:var(--muted);border:none;border-left:3px solid transparent;
  cursor:pointer;font-size:14px;font-weight:400;transition:all .15s;text-align:left;
}
.nav-btn:hover{color:var(--text)}
.nav-btn.on{background:var(--gold-dim);color:var(--gold);font-weight:600;border-left-color:var(--gold)}
.nav-btn .ico{width:18px;display:inline-block;text-align:center;flex-shrink:0}
.sidebar-user{padding:12px 16px;border-top:1px solid var(--border)}
.sidebar-user .who{font-size:12px;color:var(--muted);margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

#overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:40}

#main{flex:1;min-width:0}
#topbar{
  padding:12px 20px;border-bottom:1px solid var(--border);background:var(--panel);
  display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:30;
}
#burger{display:none;background:none;border:none;color:var(--muted);cursor:pointer;padding:4px;font-size:20px}
#topbar h1{font-size:16px;font-weight:600;margin:0;color:var(--text)}
#top-loading{font-size:12px;color:var(--muted2)}

#content{padding:20px;max-width:1200px;margin:0 auto}
.load-err{background:var(--red-bg);border:1px solid #7f1d1d;color:#fca5a5;padding:10px 14px;margin-bottom:16px;font-size:13px}

/* ---------- 卡片 / 按鈕 / 表單 ---------- */
.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:20px}
.card.flush{padding:0;overflow:auto}

.btn{
  border:none;cursor:pointer;border-radius:7px;font-weight:500;display:inline-flex;align-items:center;
  gap:6px;transition:all .15s;padding:8px 14px;font-size:13px;
}
.btn:disabled{opacity:.55;cursor:default}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#0a0a0a;font-weight:600}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}
.btn-danger{background:var(--red-bg);color:var(--red)}
.btn-sm{padding:5px 10px;font-size:12px}

.field{display:flex;flex-direction:column;gap:4px}
.field span{font-size:12px;color:var(--muted2)}
.input,.select,textarea.input{
  background:#0a0a0a;border:1px solid var(--border);border-radius:7px;padding:8px 12px;
  color:var(--text);font-size:13px;outline:none;width:100%;
}
.input:focus,.select:focus{border-color:var(--gold)}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 16px}
.grid-auto-sm{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}

/* ---------- 表格 ---------- */
table.data{width:100%;border-collapse:collapse;font-size:13px}
table.data thead tr{border-bottom:1px solid var(--border)}
table.data th{padding:10px 12px;text-align:left;color:var(--muted2);font-weight:500;white-space:nowrap;cursor:default}
table.data th.sortable{cursor:pointer}
table.data td{padding:10px 12px;border-bottom:1px solid var(--border2)}
table.data tbody tr:hover{background:rgba(201,162,75,.04)}
.table-foot{padding:10px 12px;font-size:12px;color:var(--dim);border-top:1px solid var(--border)}

/* ---------- 統計卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:16px}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px;display:flex;align-items:center;gap:12px}
.stat-card .ico{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;background:var(--gold-dim);color:var(--gold);flex-shrink:0;font-size:16px}
.stat-card .val{font-size:20px;font-weight:700;color:var(--text)}
.stat-card .lbl{font-size:12px;color:var(--muted2)}

/* ---------- 徽章/標籤 ---------- */
.badge{display:inline-block;padding:3px 9px;border-radius:5px;font-size:12px;font-weight:500}

/* ---------- Toolbar / filter row ---------- */
.toolbar{display:flex;gap:10px;margin-bottom:10px;flex-wrap:wrap;align-items:center}
.search-wrap{position:relative;flex:1;min-width:200px}
.search-wrap .ico{position:absolute;left:10px;top:9px;color:var(--dim);pointer-events:none}
.search-wrap input{padding-left:32px}

/* ---------- 登入畫面 ---------- */
#login-view{min-height:100vh;display:grid;place-items:center}
#login-view form{width:320px;background:var(--panel);border:1px solid var(--border);padding:32px;border-radius:10px}
#login-view .brand{font-size:18px;font-weight:700;color:var(--gold);margin-bottom:2px}
#login-view .sub{font-size:12px;color:var(--muted2);margin-bottom:24px}
#login-view label{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
#login-view label span{font-size:12px;color:var(--muted2)}
#login-err{color:#fca5a5;font-size:12px;margin-bottom:14px;min-height:1px}

#fullscreen-msg{min-height:100vh;display:grid;place-items:center;color:var(--muted);padding:24px;text-align:center}
#fullscreen-msg .box{max-width:420px}

/* ---------- 零件表單 ---------- */
.select-manage{display:flex;gap:8px;align-items:center}
.select-manage select{flex:1;min-width:0}
.select-manage .btn{flex-shrink:0;white-space:nowrap}
.form-err{color:#fca5a5;font-size:12px;margin-top:14px}
.form-foot{display:flex;gap:10px;margin-top:20px;justify-content:flex-end}
.hint{font-size:12px;color:var(--muted2);margin:-4px 0 14px}
.import-msg{font-size:12px;margin-bottom:12px}
.import-msg.ok{color:#86efac}
.import-msg.err{color:#fca5a5}

/* ---------- 報價單品項列 ---------- */
.qi-row{display:grid;grid-template-columns:2fr 80px 110px 110px 44px;gap:10px;align-items:end;margin-bottom:10px}
.qi-empty{font-size:12px;color:var(--dim)}

/* 零件搜尋下拉(combobox) */
.combo{position:relative}
.combo .combo-input{width:100%}
.combo-menu{
  position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:30;
  max-height:240px;overflow-y:auto;
  background:var(--panel);border:1px solid var(--border);border-radius:8px;
  box-shadow:0 10px 28px rgba(0,0,0,.55);
}
.combo-menu.hidden{display:none}
.combo-item{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:8px 11px;cursor:pointer;font-size:13px;color:var(--text);
  border-bottom:1px solid var(--border2);
}
.combo-item:last-child{border-bottom:none}
.combo-item:hover,.combo-item.active{background:var(--gold-dim)}
.combo-item .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.combo-item .meta{color:var(--muted2);font-size:11px;flex-shrink:0}
.combo-empty{padding:10px 11px;font-size:12px;color:var(--dim)}
.totals-row{display:flex;justify-content:flex-end;gap:30px;padding:16px 0;border-top:1px solid var(--border);margin-top:20px}
.totals-row .t{text-align:right}
.totals-row .t .lbl{font-size:12px;color:var(--muted2)}
.totals-row .t .val{font-size:16px;font-weight:600}
.totals-row .t.grand .val{font-size:22px;font-weight:700;color:var(--gold)}

/* ---------- 設定頁 ---------- */
.settings-list{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;max-height:280px;overflow-y:auto}
.settings-row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--border2)}
.settings-row span{font-size:13px}
.settings-row-act{display:flex;gap:6px;flex-shrink:0}
.settings-add-form{display:flex;gap:8px}
.settings-add-form input{flex:1}

@media(max-width:768px){
  #burger{display:block}
  #sidebar{position:fixed;top:0;bottom:0;left:-240px;transition:left .2s}
  #sidebar.open{left:0}
  .qi-row{grid-template-columns:1fr;gap:6px;padding-bottom:10px;border-bottom:1px dashed var(--border)}
}