/* HotelPulse Compare — shared styles */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --accent:#0f6fde;--accent-dark:#0c59b3;
  --border:#e2e8f0;--bg:#f6f8fb;--card:#fff;
  --text:#1e293b;--muted:#64748b;
  --green:#16a34a;--yellow:#d97706;--blue:#2563eb;--gray:#94a3b8;--red:#dc2626;
  --green-bg:#ecfdf3;--red-bg:#fef2f2;--yellow-bg:#fffbeb;--blue-bg:#eff6ff;--gray-bg:#f1f5f9;
}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.45}
button{font-family:inherit}

/* ---- top nav ---- */
.topnav{display:flex;align-items:center;gap:24px;background:#fff;border-bottom:1px solid var(--border);padding:0 20px;height:52px;position:sticky;top:0;z-index:60}
.brand{font-weight:700;font-size:15px;white-space:nowrap}
.brand span{color:var(--accent)}
.topnav nav{display:flex;gap:2px;height:100%}
.topnav nav a{display:flex;align-items:center;padding:0 14px;color:var(--muted);text-decoration:none;font-size:13.5px;border-bottom:2px solid transparent}
.topnav nav a:hover{color:var(--text)}
.topnav nav a.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}
.user-box{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted)}
.user-box a{color:var(--accent);text-decoration:none}
main{max-width:1440px;margin:18px auto;padding:0 20px}

/* ---- cards / layout ---- */
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}
.card h2{font-size:15px;font-weight:600;margin-bottom:12px}
.empty{color:var(--muted);padding:26px;text-align:center;font-size:13px}
.hint{font-size:12px;color:var(--muted);margin-top:8px}

/* ---- controls ---- */
.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
input,select{border:1px solid var(--border);border-radius:6px;padding:7px 9px;font-size:13px;background:#fff;color:var(--text)}
input:focus,select:focus{outline:2px solid rgba(15,111,222,.22);border-color:var(--accent)}
.range{display:flex;gap:6px}
.check-field{display:flex;align-items:center;gap:6px;font-size:13px;padding-bottom:8px;cursor:pointer}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:6px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;border:1px solid transparent;text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{background:#fff;color:var(--accent);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--accent)}
.btn-sm{padding:5px 12px;font-size:12px}

/* ---- hotel picker ---- */
.hp-wrap{position:relative}
.hp-wrap input{min-width:230px}
.hp-list{position:absolute;top:100%;left:0;margin-top:4px;min-width:300px;z-index:70;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 10px 26px rgba(15,23,42,.14);max-height:290px;overflow:auto;display:none}
.hp-list.open{display:block}
.hp-item{padding:8px 11px;cursor:pointer;border-bottom:1px solid var(--gray-bg)}
.hp-item:last-child{border-bottom:0}
.hp-item:hover{background:var(--blue-bg)}
.hp-item small{color:var(--muted);display:block}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.chip{display:inline-flex;align-items:center;gap:7px;background:var(--gray-bg);border:1px solid var(--border);border-radius:999px;padding:4px 11px;font-size:12.5px}
.chip.main{background:var(--blue-bg);border-color:var(--accent)}
.chip .tag{font-size:10px;font-weight:700;text-transform:uppercase;color:var(--muted)}
.chip.main .tag{color:var(--accent)}
.chip button{border:0;background:none;cursor:pointer;color:var(--muted);font-size:14px;line-height:1;padding:0}
.chip button:hover{color:var(--red)}

/* ---- segmented toggle ---- */
.seg{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden;background:#fff}
.seg button{border:0;background:#fff;color:var(--muted);padding:7px 12px;font-size:12.5px;cursor:pointer;line-height:1.2}
.seg button+button{border-left:1px solid var(--border)}
.seg button.active{background:var(--blue-bg);color:var(--accent);font-weight:600}

/* ---- tables ---- */
.table-wrap{overflow:auto;max-height:72vh;border:1px solid var(--border);border-radius:8px}
table.grid{border-collapse:separate;border-spacing:0;width:100%;font-size:12.5px}
table.grid th{position:sticky;top:0;background:#f8fafc;z-index:10;border-bottom:1px solid var(--border);padding:8px 10px;text-align:left;white-space:nowrap;font-size:12px}
table.grid td{border-bottom:1px solid var(--border);padding:4px 8px;vertical-align:top;white-space:nowrap;background:#fff}
table.grid tr:last-child td{border-bottom:0}
td.rowhead,th.rowhead{position:sticky;left:0;background:#fff;z-index:5;font-weight:600;border-right:1px solid var(--border)}
th.rowhead{z-index:15;background:#f8fafc}
th.col-main{background:#e6f0fd}
td.col-main{background:var(--blue-bg)}
td.cheap{background:var(--green-bg)!important;box-shadow:inset 2px 0 0 var(--green)}
td.expensive{background:var(--red-bg)!important;box-shadow:inset 2px 0 0 var(--red)}
.cell-price{cursor:pointer}
.cell-price:hover b{text-decoration:underline}
.cell-price b{font-size:13px}
.cell-price small,.cell-sub{color:var(--muted);display:block;max-width:170px;overflow:hidden;text-overflow:ellipsis;font-size:10.5px}
.badge-op{display:inline-block;background:var(--gray-bg);border:1px solid var(--border);border-radius:4px;padding:0 5px;font-size:10px;color:var(--muted);margin-left:5px;vertical-align:1px}
.faint{opacity:.45}
.delta-neg{color:var(--green);font-weight:600}
.delta-pos{color:var(--red);font-weight:600}

/* ---- status badges ---- */
.st{display:inline-block;border-radius:4px;padding:1px 6px;font-size:10px;font-weight:700;vertical-align:1px}
.st-auto{background:var(--green-bg);color:var(--green)}
.st-suggested{background:var(--yellow-bg);color:var(--yellow)}
.st-user{background:var(--blue-bg);color:var(--blue)}
.st-singleton{background:var(--gray-bg);color:var(--gray)}
.legend{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:12px;color:var(--muted);margin:10px 0}

/* ---- modal ---- */
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);display:none;align-items:flex-start;justify-content:center;z-index:100;padding-top:9vh}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:10px;max-width:680px;width:92%;max-height:78vh;overflow:auto;padding:18px 20px;box-shadow:0 20px 50px rgba(15,23,42,.25)}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.modal-head h3{font-size:14.5px}
.modal-close{border:0;background:none;font-size:20px;cursor:pointer;color:var(--muted);line-height:1}
.modal-close:hover{color:var(--text)}
.modal table.grid th{position:static}

/* ---- tabs ---- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px}
.tab{padding:9px 15px;cursor:pointer;border:0;background:none;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}

/* ---- room mapping columns ---- */
.op-cols{display:flex;gap:12px;overflow-x:auto;align-items:flex-start;padding-bottom:8px}
.op-col{min-width:210px;max-width:250px;flex:0 0 auto;background:var(--gray-bg);border:1px solid var(--border);border-radius:8px;padding:8px}
.op-col-head{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;padding:2px 4px 8px}
.room-card{background:#fff;border:1px solid var(--border);border-left:4px solid var(--gray);border-radius:6px;padding:7px 22px 7px 9px;margin-bottom:6px;cursor:pointer;font-size:12px;position:relative}
.room-card:hover{border-color:var(--accent);border-left-width:4px}
.room-card.selected{outline:2px solid var(--accent);outline-offset:1px}
.rc-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:3px}
.rc-en{display:block;color:var(--muted);font-size:10.5px;font-weight:400;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin:-2px 0 3px}
.cluster-chip{display:inline-block;font-size:10px;font-weight:600;border-radius:4px;padding:1px 6px;color:#fff;margin-right:4px;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}
.cluster-chip.chip-none{background:var(--gray-bg);color:var(--muted);border:1px dashed var(--gray)}
.room-card .unlink{position:absolute;top:3px;right:5px;border:0;background:none;cursor:pointer;color:var(--muted);font-size:13px;line-height:1;padding:1px}
.room-card .unlink:hover{color:var(--red)}

/* ---- trend ---- */
#trendChart{width:100%;height:430px}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}
.login-card{width:350px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:30px 28px;box-shadow:0 10px 30px rgba(15,23,42,.08);display:flex;flex-direction:column;gap:14px}
.login-card .brand{font-size:18px;text-align:center;margin-bottom:6px}
.login-card .sub{font-size:12px;color:var(--muted);text-align:center;margin-top:-10px}
.error{background:var(--red-bg);color:var(--red);border:1px solid #fecaca;border-radius:6px;padding:8px 11px;font-size:12.5px}

@media (max-width:760px){
  .topnav{gap:10px;padding:0 10px;overflow-x:auto}
  main{padding:0 10px}
  .controls{gap:8px}
}