@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700;800&display=swap');

:root{
  --bg:#070a0f;--panel:#111824;--panel2:#172130;--line:#2a394f;
  --text:#f4f7fb;--muted:#93a2b8;--accent:#ff8a00;--accent2:#ffb347;
  --green:#21d49b;--red:#ff6675;--shadow:0 20px 50px rgba(0,0,0,.4)
}
*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#080c12,#0b1119);color:var(--text);font-family:Inter,Segoe UI,Arial,sans-serif}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}
.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 80% 15%,rgba(255,138,0,.18),transparent 26%),#080b10}
.auth-shell{width:min(1100px,96vw);display:grid;grid-template-columns:1.15fr .85fr;background:#0d131c;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.auth-brand-panel{padding:50px;display:grid;place-items:center;text-align:center;background:linear-gradient(145deg,#111923,#090d13)}
.auth-logo{width:280px;max-width:70%;border-radius:24px;box-shadow:var(--shadow)}
.auth-brand-panel h1{font-size:42px;letter-spacing:6px;margin:20px 0 5px}
.auth-brand-panel p,.auth-form-panel p{color:var(--muted)}
.auth-brand-panel blockquote{border-left:4px solid var(--accent);padding-left:14px;font-weight:800}
.auth-form-panel{padding:48px;display:flex;align-items:center}
.auth-form-panel>div{width:100%}
label{display:grid;gap:7px;font-size:12px;font-weight:700;margin-bottom:14px}
input,select,textarea{width:100%;padding:11px 12px;background:#0b111a;border:1px solid var(--line);border-radius:10px;color:#fff}
textarea{min-height:110px;resize:vertical}
.btn{border:1px solid var(--line);background:var(--panel2);color:#fff;border-radius:10px;padding:10px 14px;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--accent),#ff6500);color:#111;border-color:transparent;font-weight:800}
.form-message{min-height:20px;color:var(--red);font-size:12px}
.app{min-height:100vh}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:250px;background:#090d14;border-right:1px solid var(--line);padding:20px;display:flex;flex-direction:column}
.brand{display:flex;gap:12px;align-items:center;padding-bottom:18px;border-bottom:1px solid #1d2837}
.brand img{width:46px;height:46px;object-fit:cover;border-radius:12px}
.brand h2{margin:0;letter-spacing:2px}.brand span{font-size:10px;color:var(--muted)}
nav{display:grid;gap:4px;margin-top:14px;overflow-y:auto;min-height:0;scrollbar-width:thin}
.nav-btn{border:1px solid transparent;background:transparent;color:#b7c3d4;text-align:left;padding:8px 12px;border-radius:9px;cursor:pointer}
.nav-btn:hover,.nav-btn.active{background:rgba(255,138,0,.12);border-color:rgba(255,138,0,.35);color:#fff}
.sidebar-footer{margin-top:auto;display:grid;gap:9px}
.main{margin-left:250px;padding:24px 30px 50px}
.topbar{display:flex;justify-content:space-between;gap:18px;align-items:center;margin-bottom:20px}
.topbar h1{margin:0}.topbar p{color:var(--muted);margin:4px 0 0}
.top-actions{display:flex;gap:8px}
.page{display:none}.page.active{display:block}
.hero,.card{background:rgba(17,24,36,.95);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.hero{background:linear-gradient(120deg,rgba(255,138,0,.17),transparent 45%),var(--panel);margin-bottom:16px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}.span-3{grid-column:span 3}.span-4{grid-column:span 4}.span-5{grid-column:span 5}.span-6{grid-column:span 6}.span-7{grid-column:span 7}.span-8{grid-column:span 8}.span-12{grid-column:span 12}
.metric-label{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:1px}.metric{font-size:28px;font-weight:800;margin-top:8px}
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.full{grid-column:1/-1}
table{width:100%;border-collapse:collapse}th,td{padding:10px 8px;border-bottom:1px solid #223044;text-align:left;font-size:12px}th{font-size:9px;color:#8291a8;text-transform:uppercase}
.status-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #223044}.status-row:last-child{border:0}.status-sub{color:var(--muted);font-size:10px;margin-top:3px}.tag{font-size:10px;border:1px solid var(--line);border-radius:999px;padding:5px 8px}
.task-board{display:grid;grid-template-columns:repeat(4,minmax(220px,1fr));gap:12px;overflow:auto}.task-col{background:#0d141e;border:1px solid var(--line);border-radius:12px;padding:10px;min-height:340px}.task-card{background:#172130;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px}.task-card input,.task-card select{margin-bottom:6px}
#project-switcher{max-width:220px;background:var(--panel2);border:1px solid var(--line);border-radius:10px;color:#fff;padding:10px 12px}
.chat{display:grid;grid-template-rows:1fr auto;min-height:560px}.messages{overflow:auto;display:flex;flex-direction:column;gap:10px}.message{max-width:80%;padding:12px;border-radius:12px;white-space:pre-wrap}.message.user{align-self:flex-end;background:var(--accent);color:#111}.message.ai{background:#182333;border:1px solid var(--line)}
.chat-input{display:flex;gap:8px;margin-top:12px}.chat-input textarea{min-height:50px}
.toast{position:fixed;right:22px;bottom:22px;background:#111b29;border:1px solid var(--line);border-left:4px solid var(--green);padding:12px 15px;border-radius:10px;opacity:0;transform:translateY(12px);transition:.2s}.toast.show{opacity:1;transform:none}
@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.main{margin-left:0}.auth-shell{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:auto}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}}
.head-actions{display:flex;gap:8px}
#print-sheet{display:none}
@media print{
  body{background:#fff!important}
  body>*{display:none!important}
  #print-sheet{display:block!important;color:#000;font-family:Georgia,'Times New Roman',serif}
  #print-sheet .sheet{max-width:760px;margin:0 auto;padding:10px}
  #print-sheet h1{margin:0;font-size:26px}
  #print-sheet h2{font-size:15px;border-bottom:1.5px solid #000;padding-bottom:4px;margin-top:22px}
  #print-sheet .sheet-head{display:flex;justify-content:space-between;align-items:baseline;border-bottom:3px solid #000;padding-bottom:8px}
  #print-sheet table.meta{margin-top:10px}#print-sheet table.meta td{padding:3px 16px 3px 0;font-size:13px}#print-sheet table.meta td:nth-child(odd){color:#555;font-size:11px;text-transform:uppercase}
  #print-sheet table.cost{width:100%;border-collapse:collapse;font-size:13px}
  #print-sheet .cost td,#print-sheet .cost th{border:1px solid #888;padding:6px 9px;text-align:left}
  #print-sheet .cost td:last-child,#print-sheet .cost th:last-child{text-align:right}
  #print-sheet .cost tr.total td{font-weight:bold;font-size:15px;border-top:2.5px solid #000;background:#f2f2f2}
  #print-sheet .fine{margin-top:26px;font-size:10px;color:#555}
}
td.num,th.num{text-align:right}
.ov{width:110px}
.ov-on{border-color:#ff8a00!important;background:rgba(255,138,0,.10)!important}
tr.ov-row td{color:#ffb347}
tr.sell-row td{border-top:2px solid #ff8a00;font-size:14px}
.tk-layout{display:grid;grid-template-columns:290px 1fr;gap:14px;height:calc(100vh - 190px);min-height:520px}
.tk-side{overflow:auto}
.tk-side label{margin-bottom:10px}
.tk-pagenav{display:flex;gap:8px;align-items:center;justify-content:center;margin-bottom:10px}
.tk-newitem{border-top:1px solid var(--line);padding-top:10px;margin-top:4px;display:grid;gap:7px}
.tk-newrow{display:flex;gap:6px}
.tk-modes{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:12px 0 8px}
.tk-mode.active{background:rgba(255,138,0,.16);border-color:rgba(255,138,0,.5);color:#ffb347}
.tk-rows{margin-top:12px}
.tk-rowline{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 9px;border:1px solid var(--line);border-radius:9px;margin-bottom:6px;cursor:pointer}
.tk-rowline.active{border-color:rgba(255,138,0,.55);background:rgba(255,138,0,.08)}
.tk-canvas-wrap{position:relative;padding:6px;overflow:hidden}
#tk-canvas{display:block;width:100%;height:100%;cursor:crosshair;border-radius:10px}
.tk-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);padding:30px;text-align:center}
.tk-warn{background:rgba(255,102,117,.12);border:1px solid rgba(255,102,117,.5);color:#ff9aa5;border-radius:10px;padding:10px 14px;margin-bottom:12px}
.modal{position:fixed;inset:0;background:rgba(4,7,11,.72);display:grid;place-items:center;z-index:50}
.modal-card{width:min(760px,94vw);max-height:84vh;overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow)}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}
.ai-pre{white-space:pre-wrap;background:#0b111a;border:1px solid var(--line);border-radius:10px;padding:12px;font-family:inherit}
@media(max-width:900px){.tk-layout{grid-template-columns:1fr;height:auto}}
.btn-mini{padding:4px 8px;font-size:11px}
.best-quote{background:rgba(33,212,155,.10)}
.gantt-track{position:relative;height:16px;background:#0b111a;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.gantt-bar{position:absolute;top:2px;bottom:2px;background:linear-gradient(135deg,var(--accent),#ff6500);border-radius:4px}
.field-card h3{font-size:19px}
.field-big{padding:14px 18px;font-size:15px}
.field-step{padding:10px 14px;font-size:15px;font-weight:800}
.log-thumbs{display:flex;gap:6px;margin-top:6px}
.log-thumb{width:54px;height:54px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
#offline-banner{background:rgba(255,138,0,.15);border:1px solid rgba(255,138,0,.5);color:#ffb347;border-radius:10px;padding:8px 14px;margin-bottom:12px;font-weight:700}