:root {
  --bg: #f3f4f6; --panel: #ffffff; --border: #e5e7eb; --text: #111827; --muted: #6b7280; --soft: #f9fafb;
  --primary: #1d4ed8; --primary-h: #1e40af; --primary-soft: #dbeafe; --danger: #dc2626; --danger-soft: #fee2e2;
  --ok: #16a34a; --ok-soft: #dcfce7; --warn: #d97706; --warn-soft: #fef3c7; --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 1px 3px rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; } a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
h1 { font-size: 20px; margin: 0 0 14px; } h2 { font-size: 16px; margin: 0 0 10px; } h3 { font-size: 14px; margin: 0 0 8px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.boot { padding: 60px; text-align: center; color: var(--muted); }
.muted { color: var(--muted); } .small { font-size: 12px; } .right { text-align: right; } .nowrap { white-space: nowrap; } .mono { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; } .row.between { justify-content: space-between; } .grow { flex: 1; } .gap { gap: 16px; }
.hidden { display: none !important; }

/* layout */
.layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: #0f172a; color: #cbd5e1; padding: 14px 10px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.brand { color: #fff; font-weight: 700; font-size: 17px; padding: 6px 10px 16px; display: flex; align-items: center; gap: 8px; }
.brand .logo { width: 28px; height: 28px; border-radius: 7px; background: var(--primary); display: grid; place-items: center; color: #fff; font-weight: 800; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; color: #cbd5e1; font-weight: 500; }
.nav a:hover { background: #1e293b; text-decoration: none; color: #fff; }
.nav a.active { background: var(--primary); color: #fff; }
.nav .badge { margin-left: auto; background: #334155; color: #fff; border-radius: 10px; padding: 0 7px; font-size: 11px; }
.nav a.active .badge { background: rgba(255,255,255,.25); }
.sidebar .me { margin-top: auto; padding: 10px 12px; border-top: 1px solid #1e293b; font-size: 12px; }
.sidebar .me b { display: block; color: #fff; font-size: 13px; }
.sidebar .me a { color: #94a3b8; margin-right: 10px; }
.main { padding: 20px 24px 40px; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.topbar h1 { margin: 0; }
.btn.ham { display: none; margin-bottom: 10px; }

/* cards & tables */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.card + .card { margin-top: 14px; }
.grid { display: grid; gap: 14px; } .grid.c2 { grid-template-columns: 1fr 1fr; } .grid.c3 { grid-template-columns: repeat(3, 1fr); } .grid.c4 { grid-template-columns: repeat(4, 1fr); }
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi .v { font-size: 26px; font-weight: 700; } .kpi .l { color: var(--muted); font-size: 12px; } .kpi .s { font-size: 12px; color: var(--muted); margin-top: 4px; }
.kpi.warn .v { color: var(--warn); } .kpi.ok .v { color: var(--ok); } .kpi.danger .v { color: var(--danger); }
table.list { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table.list th, table.list td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.list th { background: var(--soft); font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .02em; white-space: nowrap; }
table.list tr:last-child td { border-bottom: 0; }
table.list tbody tr:hover { background: #f8fafc; }
table.list tr.clickable { cursor: pointer; }
table.list td.actions { text-align: right; white-space: nowrap; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

/* forms */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); cursor: pointer; font-weight: 500; white-space: nowrap; }
.btn:hover { background: var(--soft); } .btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; } .btn.primary:hover { background: var(--primary-h); }
.btn.danger { color: var(--danger); border-color: #fecaca; } .btn.danger:hover { background: var(--danger-soft); }
.btn.sm { padding: 4px 8px; font-size: 12px; } .btn.link { border: 0; background: none; color: var(--primary); padding: 4px 6px; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=datetime-local], input[type=search], input[type=url], input[type=color], select, textarea {
  width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
textarea { min-height: 80px; resize: vertical; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; } .field label { font-size: 12px; color: var(--muted); font-weight: 600; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; } .form-grid .full { grid-column: 1 / -1; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; } .filters input, .filters select { width: auto; min-width: 140px; }
.filters input[type=search] { min-width: 240px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fff; } .seg button { border: 0; background: none; padding: 6px 12px; cursor: pointer; } .seg button.on { background: var(--primary); color: #fff; }
.chip { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--soft); border: 1px solid var(--border); white-space: nowrap; }
.chip.won { background: var(--ok-soft); color: #166534; border-color: #bbf7d0; } .chip.lost { background: var(--danger-soft); color: #991b1b; border-color: #fecaca; } .chip.open { background: var(--primary-soft); color: #1e40af; border-color: #bfdbfe; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.avatar { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: #e0e7ff; color: #3730a3; font-size: 11px; font-weight: 700; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 10px; color: var(--muted); font-size: 13px; }

/* kanban */
.kanban { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 12px; align-items: flex-start; }
.col { background: #e9ebef; border-radius: var(--radius); min-width: 250px; width: 250px; flex: 0 0 auto; display: flex; flex-direction: column; max-height: calc(100vh - 190px); }
.col .head { padding: 10px 12px; font-weight: 600; font-size: 13px; border-top: 4px solid var(--border); border-radius: var(--radius) var(--radius) 0 0; display: flex; justify-content: space-between; gap: 6px; align-items: baseline; }
.col .head .n { color: var(--muted); font-weight: 500; font-size: 12px; }
.col .body { padding: 6px 8px 8px; overflow-y: auto; min-height: 60px; display: flex; flex-direction: column; gap: 8px; }
.col.over { outline: 2px dashed var(--primary); outline-offset: -2px; }
.kcard { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 9px 10px; cursor: grab; box-shadow: var(--shadow); }
.kcard:active { cursor: grabbing; } .kcard.dragging { opacity: .5; }
.kcard .t { font-weight: 600; margin-bottom: 3px; } .kcard .m { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; gap: 6px; }
.kcard .amt { font-weight: 600; color: var(--text); }
.stale { color: var(--warn); }

/* detail */
.detail { display: grid; grid-template-columns: 1fr 380px; gap: 16px; align-items: start; }
.stepper { display: flex; gap: 3px; margin: 10px 0 16px; flex-wrap: wrap; }
.stepper button { border: 0; background: #e5e7eb; padding: 6px 10px; font-size: 12px; cursor: pointer; border-radius: 4px; color: #374151; }
.stepper button.done { background: #bfdbfe; color: #1e3a8a; } .stepper button.cur { background: var(--primary); color: #fff; font-weight: 600; }
.stepper button.won { background: var(--ok-soft); color: #166534; } .stepper button.lost { background: var(--danger-soft); color: #991b1b; }
.stepper button.cur.won { background: var(--ok); color: #fff; } .stepper button.cur.lost { background: var(--danger); color: #fff; }
.timeline { display: flex; flex-direction: column; gap: 10px; }
.act { display: flex; gap: 10px; } .act .ic { width: 28px; height: 28px; border-radius: 50%; background: var(--soft); border: 1px solid var(--border); display: grid; place-items: center; font-size: 13px; flex: 0 0 auto; }
.act .b { flex: 1; background: var(--soft); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; white-space: pre-wrap; word-break: break-word; }
.act .h { font-size: 12px; color: var(--muted); margin-bottom: 3px; display: flex; justify-content: space-between; gap: 8px; }
.act.task.done .b { opacity: .6; text-decoration: line-through; }
.act .due { font-weight: 600; } .act .due.late { color: var(--danger); }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 10px; font-size: 13px; } .kv dt { color: var(--muted); } .kv dd { margin: 0; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 14px; flex-wrap: wrap; }
.tabs button { border: 0; background: none; padding: 8px 12px; cursor: pointer; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 500; }
.tabs button.on { color: var(--primary); border-bottom-color: var(--primary); }
.pipes { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 12px; }
.pipes button { border: 1px solid var(--border); background: #fff; padding: 6px 12px; border-radius: 999px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.pipes button.on { background: #0f172a; color: #fff; border-color: #0f172a; }

/* modal & toast */
.modal-bg { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: grid; place-items: center; z-index: 50; padding: 20px; }
.modal { background: #fff; border-radius: 12px; width: 100%; max-width: 640px; max-height: 92vh; overflow: auto; padding: 20px; box-shadow: 0 20px 50px rgba(0,0,0,.3); }
.modal.wide { max-width: 900px; } .modal h2 { margin-bottom: 14px; }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
#toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 60; }
.toast { background: #0f172a; color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); max-width: 360px; }
.toast.err { background: var(--danger); } .toast.ok { background: var(--ok); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #0f172a, #1d4ed8); padding: 20px; }
.login .card { width: 100%; max-width: 380px; padding: 28px; }
.login .brand { color: var(--text); padding: 0 0 18px; }
.alert { background: var(--danger-soft); color: #991b1b; padding: 8px 10px; border-radius: 8px; margin-bottom: 10px; }
.progress { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; } .progress i { display: block; height: 100%; background: var(--primary); transition: width .3s; }
pre.log { background: #0f172a; color: #cbd5e1; padding: 10px; border-radius: 8px; font-size: 12px; max-height: 260px; overflow: auto; white-space: pre-wrap; }
.check { display: inline-flex; align-items: center; gap: 6px; margin-right: 12px; }
.bulkbar { background: #0f172a; color: #fff; padding: 8px 12px; border-radius: 8px; display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.bulkbar select { width: auto; color: var(--text); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: -240px; width: 220px; z-index: 40; transition: left .2s; } .sidebar.open { left: 0; }
  .btn.ham { display: inline-flex; }
  .main { padding: 14px; }
  .detail, .grid.c2, .grid.c3, .grid.c4, .form-grid { grid-template-columns: 1fr; }
  table.list th.opt, table.list td.opt { display: none; }
}

/* chat */
.chat { display: grid; grid-template-columns: 280px 1fr; gap: 0; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); height: calc(100vh - 80px); min-height: 480px; overflow: hidden; }
.chat-side { border-right: 1px solid var(--border); overflow-y: auto; padding: 8px; }
.chat-item { display: flex; gap: 8px; align-items: center; padding: 7px 8px; border-radius: 8px; color: var(--text); }
.chat-item:hover { background: var(--soft); text-decoration: none; } .chat-item.on { background: var(--primary-soft); }
.chat-item.sm { padding: 4px 8px; font-size: 13px; } .chat-item .badge { background: var(--primary); color: #fff; border-radius: 10px; padding: 0 7px; font-size: 11px; font-weight: 600; }
.ell { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
.presence { width: 8px; height: 8px; border-radius: 50%; background: #cbd5e1; flex: 0 0 auto; } .presence.on { background: var(--ok); }
.chat-main { display: flex; flex-direction: column; min-width: 0; }
.chat-head { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.chat-msgs { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 8px; background: #f8fafc; }
.chat-day { align-self: center; font-size: 11px; color: var(--muted); background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px; margin: 6px 0; text-transform: capitalize; }
.chat-msg { display: flex; gap: 8px; align-items: flex-end; max-width: 78%; } .chat-msg.mine { align-self: flex-end; flex-direction: row-reverse; }
.chat-msg .bubble { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 7px 11px; box-shadow: var(--shadow); }
.chat-msg.mine .bubble { background: var(--primary); color: #fff; border-color: var(--primary); } .chat-msg.mine .bubble a { color: #fff; text-decoration: underline; }
.chat-msg .who { font-size: 11px; font-weight: 600; color: var(--primary); margin-bottom: 2px; } .chat-msg .txt { white-space: pre-wrap; word-break: break-word; }
.chat-msg .when { font-size: 10px; opacity: .65; margin-top: 3px; text-align: right; } .chat-msg .when .btn.link { color: inherit; font-size: 10px; padding: 0 4px; }
.chat-input { display: flex; gap: 8px; padding: 10px 12px; border-top: 1px solid var(--border); align-items: flex-end; } .chat-input textarea { min-height: 44px; }
@media (max-width: 900px) { .chat { grid-template-columns: 1fr; height: auto; } .chat-side { max-height: 220px; border-right: 0; border-bottom: 1px solid var(--border); } .chat-msgs { min-height: 50vh; } }
.seg { flex-wrap: wrap; } .seg button { white-space: nowrap; }
.chat-item.sm .small { white-space: nowrap; }