:root{
  --bg:#0f1420; --panel:#171e2e; --panel-2:#1d2740; --line:#27324c;
  --text:#e8edf6; --muted:#8da0c0; --brand:#3f7dff; --brand-2:#6f4dff;
  --green:#27c281; --amber:#f4b740; --red:#ef5a6f; --chip:#243049;
  --submitted:#5b8cff; --in_progress:#f4b740; --pending:#b07bff; --done:#27c281;
  --radius:12px; --shadow:0 6px 24px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px}
#app{display:flex;min-height:100vh}
a{cursor:pointer;text-decoration:none;color:inherit}

/* Sidebar */
.sidebar{width:230px;background:linear-gradient(180deg,#141b29,#10151f);
  border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh}
.brand{font-size:18px;font-weight:700;margin-bottom:18px;display:flex;gap:8px;align-items:center}
.brand b{color:var(--brand);font-weight:800}
.brand span{font-weight:600}
.sidebar nav{display:flex;flex-direction:column;gap:2px}
.sidebar nav a{padding:10px 12px;border-radius:9px;color:var(--muted);font-weight:500;display:flex;gap:8px;align-items:center}
.sidebar nav a:hover{background:var(--panel);color:var(--text)}
.sidebar nav a.active{background:var(--brand);color:#fff;box-shadow:var(--shadow)}
.tel-status{margin-top:auto;font-size:12px;color:var(--muted);padding:10px;background:var(--panel);border-radius:9px;border:1px solid var(--line)}
.tel-status .dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.tel-status .live{background:var(--green)} .tel-status .demo{background:var(--amber)}

/* Content */
.content{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 26px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.topbar h1{font-size:20px;margin:0}
#view{padding:22px 26px}

/* Buttons */
.btn{background:var(--brand);color:#fff;border:none;padding:9px 16px;border-radius:9px;font-weight:600;cursor:pointer;font-size:13px}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:var(--panel-2);color:var(--text);border:1px solid var(--line)}
.btn.sm{padding:6px 10px;font-size:12px}
.btn.green{background:var(--green)} .btn.red{background:var(--red)}

/* Board */
.board{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;align-items:start}
.col{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px;min-height:200px}
.col h3{margin:0 0 10px;font-size:13px;display:flex;justify-content:space-between;align-items:center;text-transform:uppercase;letter-spacing:.4px}
.col h3 .count{background:var(--chip);color:var(--muted);border-radius:20px;padding:1px 9px;font-size:11px}
.col-submitted h3{color:var(--submitted)} .col-in_progress h3{color:var(--in_progress)}
.col-pending h3{color:var(--pending)} .col-done_pending_approval h3{color:var(--done)}
.col.drop{outline:2px dashed var(--brand);outline-offset:-4px}
.card{background:var(--panel-2);border:1px solid var(--line);border-radius:10px;padding:11px;margin-bottom:10px;cursor:grab;border-left:3px solid var(--line)}
.card:hover{border-color:var(--brand)}
.card.p-high{border-left-color:var(--red)} .card.p-normal{border-left-color:var(--brand)} .card.p-low{border-left-color:var(--muted)}
.card .t{font-weight:600;margin-bottom:5px}
.card .meta{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:3px}
.card .row{display:flex;justify-content:space-between;align-items:center;margin-top:7px}
.tag{font-size:11px;background:var(--chip);padding:2px 8px;border-radius:20px;color:var(--muted)}
.price{font-weight:700;color:var(--green)}

/* Tables */
table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:var(--radius);overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);font-size:13px}
th{color:var(--muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.4px}
tr:hover td{background:var(--panel-2)}
.badge{font-size:11px;padding:3px 9px;border-radius:20px;font-weight:600}
.badge.submitted{background:rgba(91,140,255,.18);color:var(--submitted)}
.badge.in_progress{background:rgba(244,183,64,.18);color:var(--in_progress)}
.badge.pending{background:rgba(176,123,255,.18);color:var(--pending)}
.badge.done_pending_approval{background:rgba(39,194,129,.18);color:var(--done)}

/* KPI cards */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:20px}
.kpi{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.kpi .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.kpi .val{font-size:26px;font-weight:800;margin-top:6px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.panel h3{margin:0 0 12px;font-size:14px}

/* Messages */
.msg-layout{display:grid;grid-template-columns:280px 1fr;gap:16px;height:calc(100vh - 130px)}
.threads{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow-y:auto}
.thread{padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.thread:hover,.thread.active{background:var(--panel-2)}
.thread .n{font-weight:600;display:flex;justify-content:space-between}
.thread .p{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thread .who{font-size:10px;text-transform:uppercase;color:var(--brand)}
.conv{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column}
.conv-head{padding:14px;border-bottom:1px solid var(--line);font-weight:600}
.bubbles{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:8px}
.bubble{max-width:70%;padding:9px 13px;border-radius:14px;font-size:13px}
.bubble.out{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:4px}
.bubble.in{align-self:flex-start;background:var(--panel-2);border-bottom-left-radius:4px}
.bubble .time{display:block;font-size:10px;opacity:.7;margin-top:3px}
.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.composer input{flex:1}

/* Forms / modal */
input,select,textarea{background:var(--panel-2);border:1px solid var(--line);color:var(--text);padding:9px 11px;border-radius:8px;font-size:13px;width:100%;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand)}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
.modal-bg{position:fixed;inset:0;background:rgba(5,8,15,.6);display:flex;align-items:center;justify-content:center;z-index:50}
.modal{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;width:480px;max-width:92vw;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow)}
.modal h2{margin:0 0 14px;font-size:17px}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.muted{color:var(--muted)}
.empty{text-align:center;color:var(--muted);padding:50px}

/* Toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--panel-2);border:1px solid var(--line);
  padding:12px 20px;border-radius:10px;box-shadow:var(--shadow);transition:transform .3s;z-index:100}
.toast.show{transform:translateX(-50%) translateY(0)}
.toast.err{border-color:var(--red)}