*{margin:0;padding:0;box-sizing:border-box}
:root{
--ink:#1a1a18;--ink2:#4a4a44;--ink3:#8a8a80;
--paper:#f8f6f0;--paper2:#f0ede4;--paper3:#e8e4d8;
--gold:#c8a96e;--gold2:#e8c98e;--gold3:#f5e4c0;
--red:#c84040;--red-bg:#fdf0f0;
--green:#3a7a4a;--green-bg:#f0f8f2;
--amber:#c87020;--amber-bg:#fdf6ec;
--blue:#2a5a8a;--blue-bg:#f0f4fa;
--border:rgba(0,0,0,0.1);--border2:rgba(0,0,0,0.06);
--radius:6px;--radius-lg:10px;
--lang:'en';
}
body{font-family:'DM Sans','Noto Sans JP',sans-serif;background:var(--paper);color:var(--ink);font-size:14px;line-height:1.6;min-height:100vh}
h1,h2,h3,.serif{font-family:'Cormorant Garamond','Noto Sans JP',serif}

.lang-en .jp{display:none}
.lang-jp .en{display:none}
.lang-jp{font-family:'Noto Sans JP','DM Sans',sans-serif}
.lang-jp h1,.lang-jp h2,.lang-jp h3,.lang-jp .serif{font-family:'Noto Sans JP',sans-serif;font-weight:500}
.lang-jp .dash-title{font-weight:500;letter-spacing:0}
.lang-jp .nav-logo{letter-spacing:0}

#nav{display:flex;align-items:center;gap:0;background:var(--ink);border-bottom:1px solid rgba(255,255,255,0.08);padding:0 16px;position:sticky;top:0;z-index:100;height:52px}
.nav-logo{font-family:'Cormorant Garamond','Noto Sans JP',serif;font-weight:300;font-size:16px;color:#fff;letter-spacing:0.3px;margin-right:16px;white-space:nowrap;flex-shrink:0}
.nav-logo span{color:var(--gold);font-style:italic}
.nav-tabs{display:flex;gap:0;overflow-x:auto;flex:1;scrollbar-width:none}
.nav-tabs::-webkit-scrollbar{display:none}
.nav-tab{padding:0 12px;height:52px;display:flex;align-items:center;font-size:12px;font-weight:400;color:rgba(255,255,255,0.5);cursor:pointer;border-bottom:2px solid transparent;transition:all 0.15s;white-space:nowrap}
.nav-tab:hover{color:rgba(255,255,255,0.85)}
.nav-tab.active{color:#fff;border-bottom-color:var(--gold)}
.nav-tab .jp{font-size:11px;opacity:0.75;margin-left:4px}
.lang-btn{margin-left:12px;padding:4px 10px;border-radius:99px;border:0.5px solid rgba(255,255,255,0.25);background:transparent;color:rgba(255,255,255,0.7);font-size:11px;cursor:pointer;font-family:'DM Sans','Noto Sans JP',sans-serif;transition:all 0.15s;white-space:nowrap;flex-shrink:0}
.lang-btn:hover{background:rgba(255,255,255,0.1);color:#fff}
.lang-btn.active{background:var(--gold);color:#fff;border-color:var(--gold)}
.nav-right{font-size:11px;color:rgba(255,255,255,0.3);flex-shrink:0;padding-left:8px}
.admin-badge{background:var(--gold);color:#fff;padding:3px 8px;border-radius:99px;font-size:10px;font-weight:500;margin-left:8px}
.logout-btn{margin-left:8px;padding:4px 10px;border-radius:99px;border:0.5px solid rgba(255,255,255,0.25);background:transparent;color:rgba(255,255,255,0.7);font-size:11px;cursor:pointer;transition:all 0.15s}
.logout-btn:hover{background:rgba(255,255,255,0.1);color:#fff}

#main{max-width:1200px;margin:0 auto;padding:24px 20px}
.page{display:none}.page.active{display:block}

.dash-title{font-size:24px;font-weight:300;color:var(--ink);letter-spacing:-0.3px}
.dash-sub{color:var(--ink3);font-size:13px;margin-top:2px}
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:24px}
.kpi{background:var(--paper2);border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:14px 16px}
.kpi-label{font-size:11px;color:var(--ink3);text-transform:uppercase;letter-spacing:0.5px;margin-bottom:6px}
.lang-jp .kpi-label{text-transform:none;letter-spacing:0;font-size:11px}
.kpi-value{font-size:26px;font-family:'Cormorant Garamond',serif;font-weight:400;color:var(--ink);line-height:1}
.lang-jp .kpi-value{font-family:'Noto Sans JP',sans-serif;font-size:22px}
.kpi-sub{font-size:11px;color:var(--ink3);margin-top:4px}
.kpi.danger .kpi-value{color:var(--red)}
.kpi.warn .kpi-value{color:var(--amber)}
.kpi.good .kpi-value{color:var(--green)}
.progress-bar-wrap{background:var(--paper3);border-radius:99px;height:6px;margin:8px 0 4px;overflow:hidden}
.progress-bar{height:100%;border-radius:99px;background:var(--gold);transition:width 0.4s}

.section-title{font-size:11px;font-weight:500;color:var(--ink2);margin:0 0 12px;letter-spacing:0.3px;text-transform:uppercase}
.lang-jp .section-title{text-transform:none;letter-spacing:0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:#fff;border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;margin-bottom:16px}
.panel-title{font-size:13px;font-weight:500;color:var(--ink2);margin-bottom:12px;padding-bottom:10px;border-bottom:0.5px solid var(--border2)}

.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{font-size:11px;font-weight:500;color:var(--ink3);text-align:left;padding:8px 12px;border-bottom:0.5px solid var(--border);background:var(--paper2);text-transform:uppercase;letter-spacing:0.3px;white-space:nowrap}
.lang-jp th{text-transform:none;letter-spacing:0}
td{padding:9px 12px;border-bottom:0.5px solid var(--border2);vertical-align:top}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--paper2)}

.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:99px;font-size:11px;font-weight:500;white-space:nowrap}
.badge.not-started{background:var(--paper3);color:var(--ink3)}
.badge.in-progress{background:var(--blue-bg);color:var(--blue)}
.badge.blocked{background:var(--red-bg);color:var(--red)}
.badge.complete{background:var(--green-bg);color:var(--green)}
.badge.delayed{background:var(--amber-bg);color:var(--amber)}
.badge.open{background:var(--amber-bg);color:var(--amber)}
.badge.approved{background:var(--green-bg);color:var(--green)}
.badge.rejected{background:var(--red-bg);color:var(--red)}
.badge.pending{background:var(--blue-bg);color:var(--blue)}
.badge.high{background:var(--red-bg);color:var(--red)}
.badge.medium{background:var(--amber-bg);color:var(--amber)}
.badge.low{background:var(--green-bg);color:var(--green)}
.badge.critical{background:var(--red);color:#fff}
.badge.at-risk{background:var(--red-bg);color:var(--red)}
.badge.not-ordered{background:var(--paper3);color:var(--ink3)}
.badge.ordered{background:var(--blue-bg);color:var(--blue)}
.badge.in-transit{background:var(--amber-bg);color:var(--amber)}
.badge.delivered{background:var(--green-bg);color:var(--green)}
.badge.contracted{background:var(--green-bg);color:var(--green)}
.badge.quote-pending{background:var(--blue-bg);color:var(--blue)}
.badge.to-confirm{background:var(--paper3);color:var(--ink3)}
.badge.quote-received{background:var(--amber-bg);color:var(--amber)}
.badge.to-quote{background:var(--paper3);color:var(--ink3)}
.badge.confirmed{background:var(--green-bg);color:var(--green)}
.badge.unquoted{background:var(--red-bg);color:var(--red)}

.btn{padding:7px 14px;border-radius:var(--radius);border:0.5px solid var(--border);background:#fff;color:var(--ink);font-size:13px;cursor:pointer;font-family:'DM Sans','Noto Sans JP',sans-serif;transition:all 0.12s;display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:var(--paper2)}
.btn.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.primary:hover{background:#333}
.btn.danger{background:var(--red-bg);color:var(--red);border-color:rgba(200,64,64,0.2)}
.btn.sm{padding:4px 10px;font-size:12px}
.btn-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.btn:disabled{opacity:0.5;cursor:not-allowed}

.form-row{display:grid;gap:12px;margin-bottom:12px}
.form-row.cols2{grid-template-columns:1fr 1fr}
.form-row.cols3{grid-template-columns:1fr 1fr 1fr}
label{font-size:12px;color:var(--ink2);font-weight:500;display:block;margin-bottom:4px}
input[type=text],input[type=date],input[type=number],select,textarea{width:100%;padding:7px 10px;border:0.5px solid var(--border);border-radius:var(--radius);background:#fff;color:var(--ink);font-family:'DM Sans','Noto Sans JP',sans-serif;font-size:13px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--gold)}
textarea{min-height:70px;resize:vertical}
.form-actions{display:flex;gap:8px;margin-top:16px;padding-top:12px;border-top:0.5px solid var(--border2)}
.bilingual-label{display:flex;justify-content:space-between;align-items:baseline}
.bilingual-label .jp-label{font-size:11px;color:var(--ink3);font-family:'Noto Sans JP',sans-serif}
select:disabled,input:disabled{opacity:0.6;cursor:not-allowed}

#modal-bg{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:200;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto}
#modal-bg.open{display:flex}
#modal{background:#fff;border-radius:var(--radius-lg);width:100%;max-width:600px;border:0.5px solid var(--border);padding:24px}
.modal-title{font-family:'Cormorant Garamond','Noto Sans JP',serif;font-size:20px;font-weight:400;margin-bottom:20px;padding-bottom:12px;border-bottom:0.5px solid var(--border2)}
.lang-jp .modal-title{font-family:'Noto Sans JP',sans-serif;font-size:17px;font-weight:500}
.close-btn{float:right;background:none;border:none;cursor:pointer;color:var(--ink3);font-size:18px;line-height:1;padding:2px 4px}

.alert-item{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:var(--radius);margin-bottom:8px;font-size:13px}
.alert-item.warn{background:var(--amber-bg);border:0.5px solid rgba(200,112,32,0.2)}
.alert-item.danger{background:var(--red-bg);border:0.5px solid rgba(200,64,64,0.2)}
.alert-icon{font-size:15px;flex-shrink:0;margin-top:1px}
.alert-text strong{display:block;font-weight:500;margin-bottom:2px;font-size:13px}
.alert-text span{color:var(--ink2);font-size:12px}

.milestone-line{position:relative;padding-left:28px;margin-bottom:10px}
.milestone-line::before{content:'';position:absolute;left:8px;top:0;bottom:-10px;width:1px;background:var(--border)}
.milestone-line:last-child::before{display:none}
.milestone-dot{position:absolute;left:3px;top:4px;width:10px;height:10px;border-radius:50%;border:2px solid var(--gold);background:#fff}
.milestone-dot.done{background:var(--green);border-color:var(--green)}
.milestone-dot.overdue{background:var(--red);border-color:var(--red)}
.milestone-date{font-size:11px;color:var(--ink3);margin-bottom:1px}
.milestone-name{font-size:13px;color:var(--ink);font-weight:500;line-height:1.3}
.milestone-name .jp{font-size:11px;color:var(--ink3);display:block;font-family:'Noto Sans JP',sans-serif;font-weight:400;margin-top:1px}

.filter-bar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;align-items:center}
.filter-bar select{width:auto;min-width:130px}
.filter-bar input[type=text]{width:180px}
.count-tag{font-size:12px;color:var(--ink3);margin-left:auto}

.contractor-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.contractor-card{background:#fff;border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:16px}
.contractor-name{font-size:15px;font-weight:500;color:var(--ink);margin-bottom:2px}
.contractor-role{font-size:12px;color:var(--ink3);margin-bottom:10px;line-height:1.4}
.contractor-stat{display:flex;justify-content:space-between;font-size:12px;color:var(--ink2);padding:5px 0;border-bottom:0.5px solid var(--border2);line-height:1.3}
.contractor-stat:last-child{border-bottom:none}
.contractor-stat strong{color:var(--ink)}
.contractor-stat .label-bi{display:flex;flex-direction:column}
.contractor-stat .label-bi .jp{font-size:10px;color:var(--ink3);font-family:'Noto Sans JP',sans-serif}

.budget-zone{border:0.5px solid var(--border);border-radius:var(--radius-lg);margin-bottom:10px;overflow:hidden}
.budget-zone-header{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--paper2);cursor:pointer;font-size:13px;font-weight:500}
.budget-zone-body{padding:10px 14px;display:none}
.budget-zone-body.open{display:block}
.budget-line{display:flex;justify-content:space-between;padding:6px 0;font-size:12.5px;border-bottom:0.5px solid var(--border2);align-items:center;gap:8px}
.budget-line:last-child{border-bottom:none}
.budget-total{font-weight:600;color:var(--gold)}

.tag{display:inline-block;padding:1px 6px;border-radius:3px;font-size:11px;background:var(--paper3);color:var(--ink2);margin-right:2px}
.empty{text-align:center;padding:40px;color:var(--ink3);font-size:13px}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;margin-right:4px}
.bilingual{display:flex;flex-direction:column;gap:1px}
.bilingual .jp{font-size:11px;color:var(--ink3);font-family:'Noto Sans JP',sans-serif}
.btn.edit{background:var(--paper2);border-color:var(--border)}
.btn.edit:hover{background:var(--gold3);border-color:var(--gold2)}
.edit-hint{font-size:11px;color:var(--ink3);padding:8px 12px;border-bottom:0.5px solid var(--border2);background:var(--paper2)}
.status-select{padding:4px 8px;border:0.5px solid var(--border);border-radius:var(--radius);background:#fff;font-size:12px;font-family:'DM Sans',sans-serif}
.status-select:disabled{opacity:0.6;cursor:not-allowed}

/* ── Gantt ── */
.gantt-container{overflow-x:auto;border:0.5px solid var(--border);border-radius:var(--radius-lg);background:#fff}
.gantt-header{display:flex;background:var(--paper2);border-bottom:0.5px solid var(--border);font-size:10px;color:var(--ink3);font-weight:500}
.gantt-lbl-col{width:260px;flex-shrink:0;padding:8px 12px;border-right:0.5px solid var(--border)}
.gantt-weeks{display:flex;flex:1}
.gantt-wk-hdr{flex:1;text-align:center;padding:8px 2px;border-right:0.5px solid var(--border2);min-width:52px;font-size:10px}
.gantt-row{display:flex;border-bottom:0.5px solid var(--border2);min-height:32px;align-items:center}
.gantt-row:last-child{border-bottom:none}
.gantt-row:hover{background:var(--paper2)}
.gantt-task-lbl{width:260px;flex-shrink:0;padding:5px 12px;border-right:0.5px solid var(--border2);font-size:12px;display:flex;align-items:center;gap:6px;line-height:1.3}
.gantt-task-lbl .jp{font-size:10px;color:var(--ink3);display:block;font-family:'Noto Sans JP',sans-serif}
.gantt-task-lbl.phase{font-weight:500;background:var(--paper2);font-size:11px;color:var(--ink2)}
.gantt-bar-area{display:flex;flex:1;position:relative;align-items:center;padding:4px 0}
.gantt-bar{height:16px;border-radius:3px;position:absolute;display:flex;align-items:center;padding:0 5px;font-size:9px;color:#fff;font-weight:500;cursor:pointer;transition:opacity 0.12s;white-space:nowrap;overflow:hidden}
.gantt-bar:hover{opacity:0.82}
.bar-design{background:#7a6a4e}.bar-procure{background:#4a7a6a}.bar-structural{background:#5a4a7a}
.bar-fit{background:#4a6a7a}.bar-mep{background:#6a4a4a}.bar-finish{background:#7a6a3a}
.bar-ffe{background:#4a5a4a}.bar-handover{background:#3a4a5a}

/* ── Weekly ── */
.review-section{background:#fff;border:0.5px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-bottom:16px}
.review-section h3{font-family:'Cormorant Garamond','Noto Sans JP',serif;font-size:18px;font-weight:400;color:var(--ink);margin-bottom:14px}
.lang-jp .review-section h3{font-family:'Noto Sans JP',sans-serif;font-size:16px;font-weight:500}
.checklist-item{display:flex;align-items:flex-start;gap:10px;padding:8px 0;border-bottom:0.5px solid var(--border2);font-size:13px}
.checklist-item:last-child{border-bottom:none}
.checklist-item input[type=checkbox]{margin-top:3px;width:15px;height:15px;accent-color:var(--gold);flex-shrink:0}
.checklist-item label{cursor:pointer;line-height:1.4}
.checklist-item label .jp{display:block;font-size:11px;color:var(--ink3);font-family:'Noto Sans JP',sans-serif;margin-top:2px}
.tip-box{background:var(--gold3);border:0.5px solid var(--gold2);border-radius:var(--radius);padding:12px 14px;font-size:13px;color:#5a4a20;margin-top:12px;line-height:1.5}
.tip-box .jp{display:block;font-size:11px;color:#7a6a40;font-family:'Noto Sans JP',sans-serif;margin-top:6px}
/* ── Mobile Menu ── */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  margin-right: 12px;
  padding: 0 4px;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block; /* Hiện nút ☰ trên mobile */
  }
  
  #nav {
    flex-wrap: wrap; /* Cho phép rớt dòng */
  }

  .nav-tabs {
    display: none; /* Ẩn menu ngang mặc định */
    width: 100%;
    flex-direction: column;
    position: absolute;
    top: 52px;
    left: 0;
    background: var(--ink);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    max-height: calc(100vh - 52px);
    overflow-y: auto;
    z-index: 1000;
  }

  /* Khi menu mở */
  .nav-tabs.open {
    display: flex;
  }

  .nav-tab {
    height: auto;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    border-left: 3px solid transparent;
  }

  .nav-tab.active {
    border-bottom-color: rgba(255,255,255,0.05);
    border-left-color: var(--gold);
    background: rgba(255,255,255,0.05);
  }

  /* Chỉnh lại giao diện các nút bấm trên thanh nav cho vừa màn hình nhỏ */
  .lang-btn {
    margin-left: 4px;
    padding: 4px 8px;
  }
  .nav-right {
    display: none; /* Ẩn bớt ngày tháng trên màn hình quá nhỏ để đỡ chật */
  }
}