@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --bg:#F3F4F8;
  --surface:#FFFFFF;
  --surface-alt:#F8F9FC;
  --border:#E5E7F0;
  --ink:#161A2E;
  --ink-soft:#3B3F58;
  --muted:#767B94;

  --primary:#5850EC;
  --primary-dark:#4640C4;
  --primary-bg:#EEEDFD;
  --on-primary:#FFFFFF;

  --danger:#E2483F;
  --danger-bg:#FCEAE8;
  --success:#1E9E6C;
  --success-bg:#E4F6EC;
  --warning:#CC8A1E;
  --warning-bg:#FBF0D9;
  --info:#3568D4;
  --info-bg:#E8EEFC;
  --purple:#8B5CF6;
  --purple-bg:#F1EBFE;
  --neutral:#767B94;
  --neutral-bg:#EEEFF5;

  --font-display:'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body:'Inter', -apple-system, sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(22,26,46,0.06);
  --shadow-md:0 6px 20px -6px rgba(22,26,46,0.12);
  --shadow-lg:0 20px 45px -15px rgba(22,26,46,0.28);
}

html[data-theme="dark"]{
  --bg:#12141F;
  --surface:#1A1D2C;
  --surface-alt:#20233480;
  --border:#2B2F45;
  --ink:#EDEEF6;
  --ink-soft:#C7CADA;
  --muted:#8B8FA8;

  --primary:#7C76F5;
  --primary-dark:#948FF7;
  --primary-bg:#26234A;
  --on-primary:#12141F;

  --danger:#F0847C;
  --danger-bg:#3A2226;
  --success:#5FD39B;
  --success-bg:#1B3529;
  --warning:#EAC069;
  --warning-bg:#372B15;
  --info:#84A9F2;
  --info-bg:#1E2A44;
  --purple:#B8A3F5;
  --purple-bg:#28223F;
  --neutral:#9AA0BC;
  --neutral-bg:#242739;

  --shadow-sm:0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:0 6px 20px -6px rgba(0,0,0,0.5);
  --shadow-lg:0 20px 45px -15px rgba(0,0,0,0.6);
}

*{box-sizing:border-box; margin:0; padding:0;}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--ink);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  transition:background-color .2s, color .2s;
}
::selection{background:var(--primary-bg); color:var(--primary-dark);}
button{font-family:inherit; cursor:pointer;}
input,select,textarea{font-family:inherit; color:var(--ink);}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);}

/* ================= AUTH SCREENS ================= */
.auth-body{
  display:flex; align-items:center; justify-content:center; min-height:100vh; padding:24px;
  background:
    radial-gradient(circle at 15% 10%, rgba(88,80,236,0.10), transparent 45%),
    radial-gradient(circle at 85% 90%, rgba(139,92,246,0.08), transparent 45%),
    var(--bg);
}
.auth-wrap{width:100%; max-width:400px;}
.auth-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg); padding:40px 36px;
}
.brand-mark{
  width:48px; height:48px; border-radius:14px;
  background:linear-gradient(135deg, var(--primary), var(--purple));
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:800; font-size:20px;
  margin:0 auto 22px; box-shadow:0 8px 20px -6px rgba(88,80,236,0.55);
}
.auth-card h1{font-weight:700; font-size:24px; text-align:center; margin-bottom:6px; letter-spacing:-.01em;}
.auth-card .sub{text-align:center; font-size:13.5px; color:var(--muted); margin-bottom:26px;}
.field{margin-bottom:16px;}
.field label{display:block; font-size:12.5px; font-weight:600; color:var(--ink-soft); margin-bottom:6px;}
.field input, .field select{width:100%; padding:11px 13px; border:1.5px solid var(--border); background:var(--surface-alt); font-size:14.5px; border-radius:var(--radius-sm); transition:border-color .15s, box-shadow .15s;}
.field input:focus, .field select:focus{outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-bg);}
.switch-link{text-align:center; font-size:13px; color:var(--muted); margin-top:20px;}
.switch-link a{color:var(--primary); font-weight:600; text-decoration:none;}
.switch-link a:hover{text-decoration:underline;}
.alert{padding:11px 14px; border-radius:var(--radius-sm); font-size:13px; margin-bottom:16px; font-weight:500;}
.alert-error{background:var(--danger-bg); color:var(--danger);}

/* ================= BUTTONS ================= */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:10px 18px; border:none; background:var(--primary); color:var(--on-primary); font-size:14px; font-weight:600; border-radius:var(--radius-sm); transition:background .15s, transform .1s, box-shadow .15s; box-shadow:0 2px 8px -2px rgba(88,80,236,0.4);}
.btn:hover{background:var(--primary-dark);}
.btn:active{transform:translateY(1px);}
.btn.block{width:100%;}
.btn.ghost{background:transparent; color:var(--ink-soft); border:1.5px solid var(--border); box-shadow:none;}
.btn.ghost:hover{border-color:var(--primary); color:var(--primary);}
.btn.danger{background:var(--danger); box-shadow:0 2px 8px -2px rgba(226,72,63,0.4);}
.btn.danger:hover{opacity:.9;}
.btn.small{padding:7px 13px; font-size:12.5px;}

/* ================= APP SHELL ================= */
.shell{width:100%; min-height:100vh; display:flex;}
.sidebar{
  width:236px; flex-shrink:0; color:#CBD0E8; display:flex; flex-direction:column; padding:24px 0;
  position:sticky; top:0; height:100vh; overflow-y:auto;
  background:linear-gradient(180deg, #1B1E33, #14162A);
}
.brand{padding:0 22px 20px; border-bottom:1px solid rgba(255,255,255,0.08); margin-bottom:16px;}
.brand .mark{font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; color:#7C82A8; text-transform:uppercase;}
.brand h2{font-family:var(--font-display); font-size:18px; font-weight:700; color:#fff; margin-top:6px; line-height:1.25;}
.nav-item{display:flex; align-items:center; gap:11px; padding:10px 22px; font-size:14px; font-weight:500; color:#AEB3D1; text-decoration:none; border-left:3px solid transparent; cursor:pointer; transition:background .12s, color .12s; background:none; border-top:none; border-right:none; border-bottom:none; width:100%; text-align:left;}
.nav-item:hover{background:rgba(255,255,255,0.05); color:#fff;}
.nav-item.active{background:rgba(88,80,236,0.18); color:#fff; border-left-color:var(--primary);}
.nav-item .ic{width:17px; text-align:center; opacity:.85; font-size:14px;}
.nav-item.as-button{font-family:inherit;}
.nav-sep{height:1px; background:rgba(255,255,255,0.08); margin:14px 22px;}
.sidebar-footer{margin-top:auto; padding:16px 22px 0;}
.user-chip{font-size:12px; color:#8A8FB0; margin-bottom:12px; line-height:1.6; word-break:break-word;}
.user-chip strong{color:#fff; display:block; font-size:13.5px; font-weight:600;}
.badge-overdue{display:inline-block; margin-top:6px; font-size:10.5px; font-weight:600; padding:2px 8px; border-radius:20px; background:var(--danger); color:#fff; letter-spacing:.02em;}

.menu-toggle{display:none;}
.main{flex:1; min-width:0; padding:32px 40px 60px;}
.topbar{display:flex; align-items:baseline; justify-content:space-between; margin-bottom:26px; flex-wrap:wrap; gap:10px;}
.topbar h1{font-size:25px; font-weight:700; letter-spacing:-.01em;}
.topbar .date-mono{font-family:var(--font-mono); font-size:12.5px; color:var(--muted);}

/* ================= STATS / CARDS ================= */
.stats-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:14px; margin-bottom:26px;}
.stat-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:18px 20px; box-shadow:var(--shadow-sm);}
.stat-card .num{font-family:var(--font-display); font-size:28px; font-weight:800; line-height:1; color:var(--ink);}
.stat-card .lbl{font-size:12px; font-weight:500; color:var(--muted); margin-top:8px;}
.stat-card.accent-red .num{color:var(--danger);}
.stat-card.accent-amber .num{color:var(--warning);}
.stat-card.accent-green .num{color:var(--success);}
.stat-card.accent-blue .num{color:var(--info);}

.panel{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:22px; margin-bottom:20px; box-shadow:var(--shadow-sm);}
.panel-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; flex-wrap:wrap; gap:10px;}
.panel-head h3{font-size:16px; font-weight:700;}
.panel-head .eyebrow{font-family:var(--font-mono); font-size:10.5px; letter-spacing:.06em; text-transform:uppercase; color:var(--muted);}

.charts-row{display:grid; grid-template-columns:1.1fr 1fr; gap:20px; margin-bottom:20px;}
.chart-wrap{height:230px; position:relative;}

.deadline-list{list-style:none;}
.deadline-list li{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:12px 0; border-bottom:1px solid var(--border); font-size:13.5px;}
.deadline-list li:last-child{border-bottom:none;}
.deadline-list .title{font-weight:600;}
.deadline-list .client{color:var(--muted); font-size:12px; margin-top:2px;}
.deadline-list .when{font-family:var(--font-mono); font-size:12px; white-space:nowrap; color:var(--muted);}

/* ================= STATUS PILLS (badges) ================= */
.stamp{display:inline-flex; align-items:center; font-size:11.5px; font-weight:600; letter-spacing:.01em; padding:4px 11px; border-radius:20px; white-space:nowrap;}
.stamp.s-not-started{color:var(--neutral); background:var(--neutral-bg);}
.stamp.s-in-progress{color:var(--warning); background:var(--warning-bg);}
.stamp.s-under-review{color:var(--info); background:var(--info-bg);}
.stamp.s-on-hold{color:var(--purple); background:var(--purple-bg);}
.stamp.s-completed{color:var(--success); background:var(--success-bg);}
.stamp.s-overdue{color:var(--danger); background:var(--danger-bg);}
.stamp.s-review{color:var(--info); background:var(--info-bg);}
.stamp.s-inprogress{color:var(--warning); background:var(--warning-bg);}

.prio-dot{display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:6px; vertical-align:middle;}
.prio-High{background:var(--danger);}
.prio-Medium{background:var(--warning);}
.prio-Low{background:var(--success);}

/* ================= TOOLBAR / FILTERS ================= */
.toolbar{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin-bottom:18px;}
.toolbar input[type=text]{flex:1; min-width:180px; padding:10px 13px; border:1.5px solid var(--border); background:var(--surface); font-size:13.5px; border-radius:var(--radius-sm);}
.toolbar select{padding:10px 11px; border:1.5px solid var(--border); background:var(--surface); font-size:13px; border-radius:var(--radius-sm);}
.toolbar input:focus, .toolbar select:focus{outline:none; border-color:var(--primary); box-shadow:0 0 0 3px var(--primary-bg);}

.view-switch{display:inline-flex; border:1.5px solid var(--border); border-radius:var(--radius-sm); overflow:hidden;}
.vs-btn{padding:9px 16px; background:var(--surface); border:none; font-size:13px; color:var(--muted); font-weight:600;}
.vs-btn.active{background:var(--primary); color:#fff;}

/* ================= TABLE ================= */
table{width:100%; border-collapse:collapse; font-size:13.5px;}
thead th{text-align:left; font-size:11px; font-weight:600; letter-spacing:.03em; text-transform:uppercase; color:var(--muted); padding:0 10px 12px;}
tbody td{padding:14px 10px; border-top:1px solid var(--border); vertical-align:middle;}
tbody tr:hover{background:var(--surface-alt);}
.ref-code{font-family:var(--font-mono); font-size:12px; color:var(--muted);}
.task-title{font-weight:600; color:var(--ink);}
.task-client{font-size:12px; color:var(--muted); margin-top:2px;}
.cat-tag{font-size:11.5px; font-weight:500; color:var(--primary); background:var(--primary-bg); padding:3px 9px; border-radius:20px; white-space:nowrap;}
.due-cell{font-family:var(--font-mono); font-size:12.5px; color:var(--ink-soft);}
.due-overdue{color:var(--danger); font-weight:600;}
.row-actions{display:flex; gap:6px; white-space:nowrap;}
.icon-btn{width:30px; height:30px; border:1.5px solid var(--border); background:var(--surface); border-radius:var(--radius-sm); display:inline-flex; align-items:center; justify-content:center; font-size:13px; color:var(--muted); transition:border-color .12s, color .12s;}
.icon-btn:hover{border-color:var(--primary); color:var(--primary);}
.icon-btn.danger:hover{border-color:var(--danger); color:var(--danger);}
.empty-state{text-align:center; padding:56px 20px; color:var(--muted);}
.empty-state .big{font-family:var(--font-display); font-size:18px; font-weight:700; color:var(--ink); margin-bottom:6px;}

/* ================= KANBAN BOARD ================= */
.board{display:grid; grid-template-columns:repeat(5,minmax(210px,1fr)); gap:14px; overflow-x:auto; padding-bottom:8px;}
.board-col{background:var(--surface-alt); border:1px solid var(--border); border-radius:var(--radius-md); min-height:200px; display:flex; flex-direction:column;}
.board-col-head{padding:12px 14px; border-bottom:1px solid var(--border); font-size:11.5px; font-weight:700; letter-spacing:.02em; text-transform:uppercase; display:flex; justify-content:space-between; color:var(--muted);}
.board-col-body{padding:10px; display:flex; flex-direction:column; gap:8px; flex:1; min-height:100px;}
.board-col-body.drag-over{background:var(--primary-bg);}
.board-card{background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm); padding:12px 13px; cursor:grab; font-size:12.5px; box-shadow:var(--shadow-sm); transition:box-shadow .12s;}
.board-card:hover{box-shadow:var(--shadow-md);}
.board-card:active{cursor:grabbing;}
.board-card .bc-title{font-weight:600; margin-bottom:3px;}
.board-card .bc-client{color:var(--muted); font-size:11.5px; margin-bottom:8px;}
.board-card .bc-foot{display:flex; align-items:center; justify-content:space-between; font-family:var(--font-mono); font-size:10.5px; color:var(--muted);}

/* ================= CLIENTS ================= */
.client-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(230px,1fr)); gap:14px;}
.client-card{display:block; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-md); padding:18px 20px; cursor:pointer; transition:box-shadow .15s, border-color .15s; text-decoration:none; box-shadow:var(--shadow-sm);}
.client-card:hover{border-color:var(--primary); box-shadow:var(--shadow-md);}
.client-card h4{font-family:var(--font-display); font-size:15.5px; font-weight:700; margin-bottom:10px; color:var(--ink);}
.client-meta{font-size:12px; color:var(--muted); display:flex; justify-content:space-between;}

/* ================= CALENDAR ================= */
.cal-nav{display:flex; align-items:center; gap:14px; margin-bottom:16px;}
.cal-nav .month-label{font-family:var(--font-display); font-size:16.5px; font-weight:700; min-width:170px;}
.cal-grid{display:grid; grid-template-columns:repeat(7,1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:var(--radius-md); overflow:hidden;}
.cal-dow{background:var(--surface-alt); color:var(--muted); font-size:10.5px; font-weight:700; text-align:center; padding:8px 0; text-transform:uppercase; letter-spacing:.05em;}
.cal-day{background:var(--surface); min-height:86px; padding:6px 7px; font-size:12px; position:relative;}
.cal-day.other-month{background:var(--surface-alt); color:var(--muted); opacity:.55;}
.cal-day .dnum{font-family:var(--font-mono); font-size:11.5px; color:var(--muted);}
.cal-day.today .dnum{color:#fff; background:var(--primary); border-radius:50%; width:20px; height:20px; display:inline-flex; align-items:center; justify-content:center;}
.cal-tasks{margin-top:5px; display:flex; flex-direction:column; gap:2px;}
.cal-pill{font-size:10px; font-weight:500; padding:2px 6px; border-radius:5px; background:var(--warning-bg); color:var(--warning); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; cursor:pointer;}
.cal-pill.done{background:var(--success-bg); color:var(--success);}
.cal-pill.overdue{background:var(--danger-bg); color:var(--danger);}

/* ================= ACTIVITY LOG ================= */
.log-list{list-style:none;}
.log-item{display:flex; align-items:flex-start; gap:14px; padding:15px 18px; border-bottom:1px solid var(--border);}
.log-item:last-child{border-bottom:none;}
.log-body{flex:1;}
.log-detail{font-size:13.5px;}
.log-time{font-family:var(--font-mono); font-size:11px; color:var(--muted); margin-top:4px;}
.pagination{display:flex; gap:6px; justify-content:center; margin-top:6px;}
.page-link{padding:7px 13px; border:1.5px solid var(--border); border-radius:var(--radius-sm); font-family:var(--font-mono); font-size:12px; text-decoration:none; color:var(--ink); background:var(--surface);}
.page-link.active{background:var(--primary); color:#fff; border-color:var(--primary);}

/* ================= MODAL ================= */
.modal-backdrop{display:none; position:fixed; inset:0; background:rgba(15,17,30,0.55); z-index:100; align-items:flex-start; justify-content:center; overflow-y:auto; padding:40px 20px; backdrop-filter:blur(2px);}
.modal-backdrop.active{display:flex;}
.modal{background:var(--surface); width:100%; max-width:560px; border-radius:var(--radius-lg); box-shadow:var(--shadow-lg); padding:30px 32px;}
.modal h3{font-family:var(--font-display); font-size:19px; font-weight:700; margin-bottom:20px;}
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px 16px;}
.form-grid .full{grid-column:1/-1;}
.modal-actions{display:flex; justify-content:flex-end; gap:10px; margin-top:22px;}
textarea{width:100%; padding:11px 13px; border:1.5px solid var(--border); background:var(--surface-alt); font-size:13.5px; resize:vertical; min-height:64px; border-radius:var(--radius-sm);}

/* ================= TOAST ================= */
#toast{position:fixed; bottom:24px; left:50%; transform:translateX(-50%) translateY(20px); background:var(--ink); color:var(--bg); padding:13px 24px; border-radius:var(--radius-sm); font-size:13.5px; font-weight:500; opacity:0; pointer-events:none; transition:opacity .2s, transform .2s; z-index:200; box-shadow:var(--shadow-lg);}
#toast.show{opacity:1; transform:translateX(-50%) translateY(0);}
#toast.err{background:var(--danger);}

/* ================= RESPONSIVE ================= */
@media (max-width:980px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .charts-row{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .board{grid-template-columns:repeat(5,minmax(180px,1fr));}
}
@media (max-width:760px){
  .shell{flex-direction:column;}
  .sidebar{width:100%; height:auto; position:relative; flex-direction:row; align-items:center; padding:12px 14px; overflow-x:auto;}
  .brand{border:none; padding:0 14px 0 0; margin:0;}
  .brand h2{font-size:15px;}
  .brand .mark{display:none;}
  .nav-item{padding:8px 12px; border-left:none; border-bottom:3px solid transparent; white-space:nowrap;}
  .nav-item.active{border-left:none; border-bottom-color:var(--primary);}
  .nav-sep{display:none;}
  .sidebar-footer{display:none;}
  .main{padding:20px 16px 50px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  table thead{display:none;}
  tbody tr{display:block; border-bottom:8px solid var(--bg); padding:8px 0;}
  tbody td{display:flex; justify-content:space-between; gap:10px; border-top:none; border-bottom:1px solid var(--border); padding:9px 4px;}
  tbody td::before{content:attr(data-label); font-size:10.5px; font-weight:600; text-transform:uppercase; color:var(--muted); letter-spacing:.03em;}
  .board{grid-template-columns:1fr;}
}