/* DEVZONE ERP — giao diện theo mockup đã duyệt */
:root{
  --navy:#1B3A5C; --navy-2:#244b73; --navy-3:#2a5685;
  --bg:#f5f7fa; --card:#ffffff; --line:#e3e8ef;
  --txt:#1f2a37; --txt-2:#5b6b7f; --txt-3:#8a97a8;
  --green:#1f9d55; --green-bg:#e6f6ec;
  --amber:#b7791f; --amber-bg:#fdf3e2;
  --red:#c53030; --red-bg:#fdeaea;
  --blue:#2b6cb0; --blue-bg:#e6f0fa;
  --purple:#6b46c1; --purple-bg:#f0eafb;
  --radius:10px; --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:'Inter','Segoe UI',Roboto,Arial,sans-serif;font-size:14px;color:var(--txt);background:var(--bg)}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--blue);text-decoration:none}
.boot{display:grid;place-items:center;height:100vh;color:var(--txt-2)}
.app{display:flex;height:100vh;overflow:hidden}

/* ================= SIDEBAR ================= */
.sidebar{width:290px;background:var(--navy);color:#cfe0f0;display:flex;flex-direction:column;flex-shrink:0;transition:width .25s;border-right:1px solid rgba(0,0,0,.1)}
.sidebar.collapsed{width:64px}
.sidebar.collapsed .label,.sidebar.collapsed .brand-text,.sidebar.collapsed .nav-group-title,.sidebar.collapsed .arrow,.sidebar.collapsed .nav-group-num,.sidebar.collapsed .nav-sep-label{display:none}
.sidebar.collapsed .nav-group-header{justify-content:center;padding:12px 0}
.sidebar.collapsed .nav-group-header .ico{margin:0}
.sidebar.collapsed .nav-sub{display:none!important}
.brand{display:flex;align-items:center;gap:10px;padding:16px;border-bottom:1px solid rgba(255,255,255,.08);min-height:64px}
.brand-logo{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#4a90d9,#2b6cb0);display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;font-size:15px;flex-shrink:0}
.brand-text{font-weight:700;color:#fff;font-size:15px;line-height:1.2;white-space:nowrap}
.brand-text small{display:block;font-weight:400;font-size:10px;color:#8fb4d6}
.nav{flex:1;overflow-y:auto;padding:8px 6px}
.nav::-webkit-scrollbar{width:6px}.nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.15);border-radius:3px}
.nav-group{margin-bottom:2px}
.nav-group-header{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;color:#cfe0f0;font-size:13px;font-weight:600;transition:background .15s;user-select:none}
.nav-group-header:hover{background:rgba(255,255,255,.08)}
.nav-group-header.active{background:var(--navy-2);color:#fff}
.nav-group-header .ico{width:18px;text-align:center;flex-shrink:0}
.nav-group-title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:6px}
.nav-group-num{font-size:11px;color:#7fa3c7;font-weight:700;margin-right:2px}
.arrow{font-size:10px;color:#7fa3c7;transition:transform .2s}
.nav-group.open .arrow{transform:rotate(180deg)}
.nav-sub{display:none;padding:4px 0 4px 30px;margin-bottom:6px}
.nav-group.open .nav-sub{display:flex;flex-direction:column;gap:2px;animation:slideDown .2s ease-out}
@keyframes slideDown{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
.nav-item{display:flex;align-items:center;padding:8px 12px;border-radius:6px;cursor:pointer;color:#a1bdd6;font-size:12.5px;transition:all .15s}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-item.active{background:var(--navy-3);color:#fff;font-weight:500}
.nav-item::before{content:'›';margin-right:8px;color:#7fa3c7;font-size:14px}
.nav-item.active::before{color:#4a90d9}
.nav-item .soon{margin-left:auto;font-size:10px;color:#7fa3c7;border:1px solid rgba(127,163,199,.4);border-radius:4px;padding:0 4px}
.nav-sep{margin:8px 12px;border-top:1px solid rgba(255,255,255,.1)}
.toggle-btn{background:rgba(255,255,255,.05);border:none;border-top:1px solid rgba(255,255,255,.08);color:#cfe0f0;padding:12px 16px;cursor:pointer;font-size:13px;text-align:left;display:flex;align-items:center;gap:8px}
.toggle-btn:hover{background:rgba(255,255,255,.1)}

/* ================= MAIN ================= */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:56px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:0 20px;flex-shrink:0}
.menu-btn{display:none;width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer}
.tenant-switch{display:flex;align-items:center;gap:8px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;font-size:12.5px;background:#fff;white-space:nowrap}
.tenant-switch .dot{width:8px;height:8px;border-radius:50%;background:var(--green)}
.search{flex:1;max-width:420px;position:relative}
.search svg{position:absolute;left:10px;top:9px;color:var(--txt-3)}
.search input{width:100%;padding:8px 12px 8px 34px;border:1px solid var(--line);border-radius:8px;font-size:13px;background:var(--bg);outline:none}
.search input:focus{border-color:var(--blue);background:#fff}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px;cursor:pointer;border:0}
.icon-btn{width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative}
.icon-btn .badge{position:absolute;top:-5px;right:-5px;background:var(--red);color:#fff;font-size:10px;font-weight:700;border-radius:9px;padding:1px 5px;min-width:16px;text-align:center}
.user-menu{position:absolute;right:20px;top:52px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(16,24,40,.12);width:260px;z-index:30;padding:12px}
.user-menu .who{padding:4px 4px 10px;border-bottom:1px solid var(--line);margin-bottom:8px}
.user-menu .who b{display:block}
.user-menu .who span{font-size:12px;color:var(--txt-2)}
.user-menu button{width:100%;text-align:left;background:none;border:0;padding:8px;border-radius:6px;cursor:pointer}
.user-menu button:hover{background:var(--bg)}

.content{flex:1;overflow-y:auto;padding:24px}
.page-head{display:flex;align-items:flex-start;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.page-title h1{font-size:22px;font-weight:700;color:var(--navy);display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.page-title p{color:var(--txt-2);font-size:13px;margin-top:4px;max-width:760px}
.page-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.btn{padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;font-size:13px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--txt);white-space:nowrap}
.btn:hover{background:var(--bg)}
.btn-primary{background:var(--navy);border-color:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-ok{background:var(--green);border-color:var(--green);color:#fff}
.btn-ok:hover{background:#198348}
.btn-danger{color:var(--red)}
.btn-sm{padding:4px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* KPI */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);min-width:0}
.kpi .k-label{font-size:12px;color:var(--txt-2);display:flex;justify-content:space-between}
.kpi .k-value{font-size:24px;font-weight:700;margin:10px 0 6px;color:var(--navy);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.kpi .k-sub{font-size:11.5px;color:var(--txt-3)}

/* TABLE */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.table-head{padding:12px 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:#fafbfc}
.table-head h3{font-size:15px;font-weight:600;color:var(--navy)}
.table-head .count{font-size:12px;color:var(--txt-3)}
.table-head .filters{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filter{padding:6px 10px;border:1px solid var(--line);border-radius:7px;font-size:12px;background:#fff;cursor:pointer;color:var(--txt-2)}
.filter.on{background:var(--navy);border-color:var(--navy);color:#fff}
.table-head .tsearch{padding:6px 10px;border:1px solid var(--line);border-radius:7px;font-size:12.5px;background:#fff;outline:none;width:220px}
.table-head .tsearch:focus{border-color:var(--blue)}
.tscroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;padding:12px 16px;background:#f8fafc;border-bottom:1px solid var(--line);color:var(--txt-2);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}
th.r,td.r{text-align:right}
td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr.click{cursor:pointer}
tbody tr.click:hover{background:#f1f5f9}
tbody tr:last-child td{border-bottom:none}
td.r{white-space:nowrap;font-variant-numeric:tabular-nums}
.doc-code{font-weight:600;color:var(--blue);font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;white-space:nowrap}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,Menlo,Consolas,monospace}
.muted{color:var(--txt-3)}
.empty{padding:36px 16px;text-align:center;color:var(--txt-3)}
.empty b{display:block;color:var(--txt-2);margin-bottom:4px;font-weight:600}

/* CHIPS */
.chip{font-size:11px;padding:3px 8px;border-radius:6px;font-weight:600;white-space:nowrap;display:inline-block}
.chip.green{background:var(--green-bg);color:var(--green)}
.chip.amber{background:var(--amber-bg);color:var(--amber)}
.chip.red{background:var(--red-bg);color:var(--red)}
.chip.gray{background:#f1f5f9;color:var(--txt-2)}
.chip.blue{background:var(--blue-bg);color:var(--blue)}
.chip.purple{background:var(--purple-bg);color:var(--purple)}
.phase{font-size:11px;font-weight:600;padding:2px 8px;border-radius:6px;background:#eef2f7;color:var(--txt-2)}
.notice{background:var(--blue-bg);color:var(--navy);border:1px solid #cfe0f3;padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:13px}
.notice.amber{background:var(--amber-bg);border-color:#f3dfb8;color:#7a5414}

/* TABS (trong trang) */
.ptabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.ptabs button{border:0;background:none;padding:10px 14px;cursor:pointer;color:var(--txt-2);font-weight:500;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.ptabs button.on{color:var(--navy);border-bottom-color:var(--navy);font-weight:600}

/* AI CHAT */
.chat-container{display:flex;flex-direction:column;height:calc(100vh - 190px);min-height:420px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.chat-messages{flex:1;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;background:#fafbfc}
.msg{display:flex;gap:12px;max-width:80%}
.msg.user{align-self:flex-end;flex-direction:row-reverse}
.msg.ai{align-self:flex-start}
.msg-avatar{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0}
.msg.ai .msg-avatar{background:var(--purple-bg);color:var(--purple)}
.msg.user .msg-avatar{background:var(--navy);color:#fff}
.msg-bubble{padding:12px 16px;border-radius:12px;font-size:13.5px;line-height:1.5;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.msg.ai .msg-bubble{background:#fff;border:1px solid var(--line);border-top-left-radius:4px}
.msg.user .msg-bubble{background:var(--navy);color:#fff;border-top-right-radius:4px}
.chat-input-area{padding:16px 20px;background:#fff;border-top:1px solid var(--line)}
.prompt-suggestions{display:flex;gap:8px;margin-bottom:12px;overflow-x:auto;padding-bottom:4px}
.prompt-chip{background:var(--bg);border:1px solid var(--line);padding:6px 12px;border-radius:16px;font-size:12px;cursor:pointer;color:var(--txt-2);white-space:nowrap}
.prompt-chip:hover{border-color:var(--purple);color:var(--purple);background:var(--purple-bg)}
.chat-input-box{display:flex;gap:10px}
.chat-input-box input{flex:1;padding:12px 16px;border:1px solid var(--line);border-radius:8px;font-size:14px;outline:none}
.chat-input-box input:focus{border-color:var(--purple)}

/* REPORTS */
.report-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.report-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .2s;cursor:pointer;display:flex;flex-direction:column}
.report-card:hover{transform:translateY(-2px);border-color:var(--blue);box-shadow:0 4px 12px rgba(0,0,0,.08)}
.report-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;margin-bottom:16px}
.report-card h3{font-size:15px;font-weight:600;margin-bottom:8px;color:var(--navy)}
.report-card p{font-size:12.5px;color:var(--txt-2);line-height:1.5;flex:1}
.report-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:11.5px;color:var(--txt-3)}

/* DASHBOARD */
.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}
.dash-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;min-width:0}
.dash-card.wide{grid-column:span 2}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:8px}
.card-header h3{font-size:15px;font-weight:600;color:var(--navy);margin:0}
.card-header .refresh{cursor:pointer;color:var(--txt-3);font-size:14px;background:none;border:0}
.card-header .hint{font-size:12px;color:var(--txt-3)}
.fin-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fin-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px dashed var(--line);font-size:13px;gap:8px}
.fin-item:last-child{border-bottom:none}
.fin-item .label{color:var(--txt-2)}
.fin-item .val{font-weight:600;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;white-space:nowrap}
.val.blue{color:var(--blue)}.val.green{color:var(--green)}.val.red{color:var(--red)}
.debt-total{font-size:24px;font-weight:700;color:var(--txt);margin-bottom:4px;font-family:ui-monospace,Menlo,Consolas,monospace;white-space:nowrap}
.debt-total small{font-size:13px;font-weight:400;font-family:inherit;color:var(--txt-2)}
.debt-sub{font-size:11.5px;color:var(--txt-3);text-transform:uppercase;margin-bottom:16px;letter-spacing:.5px}
.debt-breakdown{display:flex;justify-content:space-between;font-size:12.5px;font-weight:600;margin-bottom:8px}
.debt-breakdown .orange{color:var(--amber)}.debt-breakdown .gray{color:var(--txt-2)}
.flex-between{display:flex;justify-content:space-between}
.progress-bar{height:8px;background:#ecf0f1;border-radius:4px;overflow:hidden;display:flex}
.progress-fill.orange{background:var(--amber);height:100%}
.progress-fill.gray{background:#bdc3c7;height:100%}
.inv-list{display:flex;flex-direction:column;gap:12px;margin-top:10px}
.inv-item{display:flex;align-items:center;justify-content:space-between;font-size:13px;gap:8px}
.inv-info{display:flex;align-items:center;gap:10px;flex:1;min-width:0}
.inv-color{width:10px;height:10px;border-radius:2px;flex-shrink:0}
.inv-name{color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.inv-qty{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--txt-2);width:50px;text-align:right}
.inv-val{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:600;width:80px;text-align:right}
.asof{font-size:11.5px;color:var(--txt-3);margin-top:auto;padding-top:12px}
.chart{width:100%;height:280px;display:block}
.chart-legend{display:flex;justify-content:center;gap:24px;margin-top:8px;font-size:12px;color:var(--txt-2);flex-wrap:wrap}
.legend-item{display:flex;align-items:center;gap:6px}
.legend-color{width:12px;height:12px;border-radius:2px}
.chart-tip{position:fixed;pointer-events:none;background:#1f2a37;color:#fff;font-size:12px;padding:6px 10px;border-radius:6px;z-index:70;white-space:nowrap}

/* FORM, MODAL */
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],select,textarea{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 10px;width:100%;outline:none;font-size:13.5px}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-bg)}
label.f{display:block;font-size:12px;color:var(--txt-2);margin-bottom:4px;font-weight:500}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}
.form .full{grid-column:1/-1}
.check{display:flex;gap:8px;align-items:center;font-size:13px}
.ov{position:fixed;inset:0;background:rgba(15,23,42,.45);display:grid;place-items:center;z-index:50;padding:16px}
.modal{background:#fff;border-radius:12px;width:min(720px,100%);max-height:92vh;display:flex;flex-direction:column;box-shadow:0 20px 50px rgba(0,0,0,.2)}
.modal.wide{width:min(1000px,100%)}
.modal header{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal header h2{margin:0;font-size:16px;color:var(--navy)}
.modal .x{background:none;border:0;font-size:22px;line-height:1;cursor:pointer;color:var(--txt-3)}
.modal .body{padding:18px 20px;overflow-y:auto}
.modal footer{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;align-items:center;flex-wrap:wrap}
.modal footer .note{flex:1;color:var(--txt-3);font-size:12px;min-width:160px}
.lines td{padding:6px}
.lines input,.lines select{padding:6px 8px}
.totals{margin-left:auto;width:300px;max-width:100%;margin-top:12px}
.totals div{display:flex;justify-content:space-between;padding:3px 0}
.totals .big{font-weight:700;font-size:16px;border-top:1px solid var(--line);padding-top:8px;margin-top:4px;color:var(--navy)}
.kv{display:grid;grid-template-columns:150px 1fr;gap:8px 12px;margin-bottom:16px;font-size:13.5px}
.kv dt{color:var(--txt-2)}
.kv dd{margin:0}
.sresult{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid var(--line);border-radius:8px;margin-bottom:8px;cursor:pointer}
.sresult:hover{background:var(--bg)}

/* LOGIN */
.login{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(160deg,#1B3A5C 0%,#244b73 55%,#f5f7fa 55%)}
.login .card{width:min(400px,100%);padding:28px;background:#fff;border-radius:12px;box-shadow:0 20px 50px rgba(16,24,40,.18)}
.login .head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.login h1{font-size:20px;color:var(--navy)}
.login p{color:var(--txt-2);font-size:13px}
.login .row{margin-bottom:12px}
.err{background:var(--red-bg);color:var(--red);padding:8px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}

.toast{position:fixed;right:20px;bottom:20px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:80;max-width:420px;font-size:13px}
.toast.error{background:var(--red)}
.mt{margin-top:16px}

@media(max-width:1100px){.kpi-grid{grid-template-columns:repeat(2,1fr)}.dash-grid{grid-template-columns:1fr}.dash-card.wide{grid-column:span 1}}
@media(max-width:860px){
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:40;transform:translateX(-100%);transition:transform .2s;width:280px}
  .sidebar.open{transform:none}
  .sidebar.collapsed{width:280px}
  .toggle-btn{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .tenant-switch .tname-sub,.search{display:none}
  .topbar{padding:0 12px;gap:10px}
  .content{padding:16px}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:10px}
  .kpi .k-value{font-size:19px}
  .form{grid-template-columns:1fr}
  .fin-grid{grid-template-columns:1fr}
  .table-head .tsearch{width:100%}
  .table-head .filters{margin-left:0;width:100%}
  .kv{grid-template-columns:110px 1fr}
}
[hidden] { display: none !important; }
.auth-tabs{display:flex;gap:4px;background:var(--bg,#f2f4f7);padding:4px;border-radius:8px;margin-bottom:14px}
.auth-tabs button{flex:1;border:0;background:transparent;padding:8px;border-radius:6px;font:inherit;font-weight:600;color:var(--txt-2);cursor:pointer}
.auth-tabs button.on{background:#fff;color:var(--navy);box-shadow:0 1px 2px rgba(16,24,40,.08)}
.login .ok{background:var(--green-bg,#e8f6ee);color:#16613a;border:1px solid #bfe5cf;padding:10px 12px;border-radius:8px;margin-bottom:12px;font-size:13px}
.login .row.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.login .consent{display:flex;gap:8px;align-items:flex-start;font-size:12.5px;color:var(--txt-2);line-height:1.45}
.login .consent input{margin-top:3px}
.btn-block{width:100%;justify-content:center}
.login .card{max-height:calc(100vh - 32px);overflow:auto}