/* =====================================================
   AI Pre-Sales Platform — Dark SaaS theme
   ===================================================== */
:root {
  --bg-0:        #0b0e13;
  --bg-1:        #11151c;
  --bg-2:        #161b24;
  --bg-3:        #1c222d;
  --bg-hover:    #222936;
  --border:      #242b37;
  --border-soft: #1d2330;

  --fg-0:        #e6edf3;
  --fg-1:        #b6c2cf;
  --fg-2:        #8b95a4;
  --fg-3:        #5d6877;

  --accent:      #6aa8ff;
  --accent-2:    #2f81f7;
  --accent-soft: rgba(106,168,255,.12);

  --success:     #3fb950;
  --warning:     #d29922;
  --danger:      #f85149;
  --info:        #58a6ff;
  --critical:    #ff6b6b;

  --radius-s: 6px;
  --radius:   8px;
  --radius-l: 12px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow:    0 2px 8px rgba(0,0,0,.5);
  --shadow-lg: 0 10px 30px rgba(0,0,0,.6);

  --sidebar-w: 240px;
  --topbar-h:  56px;

  --font-sans: 'Inter','Segoe UI',system-ui,-apple-system,'Helvetica Neue',sans-serif;
  --font-mono: 'JetBrains Mono','Consolas',monospace;
}

* { box-sizing: border-box; }
html,body{margin:0;padding:0;background:var(--bg-0);color:var(--fg-0);font-family:var(--font-sans);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
hr{border:none;border-top:1px solid var(--border);margin:16px 0}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:#2a3340;border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:#384352}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--bg-1);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}
.sidebar .brand{padding:18px 18px;border-bottom:1px solid var(--border)}
.sidebar .brand h1{font-size:15px;margin:0;font-weight:600;letter-spacing:.2px;color:#fff}
.sidebar .brand .sub{font-size:11px;color:var(--fg-3);margin-top:2px}
.sidebar nav{padding:8px;flex:1;overflow:auto}
.sidebar .nav-section{font-size:10px;letter-spacing:.12em;color:var(--fg-3);text-transform:uppercase;padding:14px 10px 6px;font-weight:600}
.sidebar a.nav-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--radius-s);color:var(--fg-1);font-size:13px;margin:1px 0;border:1px solid transparent}
.sidebar a.nav-item:hover{background:var(--bg-3);color:var(--fg-0);text-decoration:none}
.sidebar a.nav-item.active{background:var(--accent-soft);color:#fff;border-color:rgba(106,168,255,.25)}
.sidebar a.nav-item .icon{width:16px;display:inline-block;text-align:center;opacity:.85}
.sidebar a.nav-item .badge{margin-left:auto;background:#2b3645;color:var(--fg-1);font-size:11px;padding:1px 6px;border-radius:10px}
.sidebar .nav-item.active .badge{background:var(--accent-2);color:#fff}
.sidebar .user-block{padding:12px;border-top:1px solid var(--border);display:flex;gap:10px;align-items:center}
.sidebar .avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:13px}
.sidebar .user-meta{font-size:12px;flex:1;min-width:0}
.sidebar .user-meta b{display:block;color:var(--fg-0);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .user-meta .role{color:var(--fg-3);text-transform:uppercase;font-size:10px;letter-spacing:.1em}

.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{height:var(--topbar-h);background:var(--bg-1);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 22px;position:sticky;top:0;z-index:5;gap:18px}
.topbar h2{margin:0;font-size:15px;font-weight:600;color:var(--fg-0)}
.topbar .search{flex:1;max-width:520px;position:relative}
.topbar .search input{width:100%;background:var(--bg-2);border:1px solid var(--border);color:var(--fg-0);border-radius:var(--radius);padding:7px 12px 7px 32px;font-size:13px;outline:none}
.topbar .search input:focus{border-color:var(--accent-2)}
.topbar .search::before{content:"⌕";position:absolute;left:10px;top:6px;color:var(--fg-3)}
.topbar .topbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.topbar .pill{background:var(--bg-3);color:var(--fg-1);padding:5px 10px;border-radius:14px;font-size:11px;border:1px solid var(--border)}

.content{padding:22px 28px;flex:1}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px;gap:18px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:22px;font-weight:600;letter-spacing:-.2px}
.page-head .subtitle{color:var(--fg-2);font-size:13px;margin-top:4px}
.page-head .actions{display:flex;gap:8px}

/* ---------- Cards / panels ---------- */
.card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-l);padding:18px;box-shadow:var(--shadow-sm)}
.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:12px}
.card-h h3{margin:0;font-size:14px;font-weight:600;color:var(--fg-0)}
.card-h .muted{color:var(--fg-2);font-size:12px}

.grid{display:grid;gap:16px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.sidebar{position:relative;width:100%;height:auto}.main{margin-left:0}}

.stat{padding:16px}
.stat .label{color:var(--fg-2);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.stat .value{font-size:26px;font-weight:600;margin-top:6px;color:#fff}
.stat .delta{font-size:11px;color:var(--fg-3);margin-top:4px}
.stat .delta.up{color:var(--success)}
.stat .delta.down{color:var(--danger)}
.stat.accent .value{color:var(--accent)}
.stat.warn .value{color:var(--warning)}
.stat.danger .value{color:var(--danger)}
.stat.success .value{color:var(--success)}
a.stat-link{display:block;text-decoration:none;color:inherit;transition:border-color .12s,transform .12s}
a.stat-link:hover{border-color:var(--accent-2);transform:translateY(-1px);text-decoration:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--bg-3);color:var(--fg-0);border:1px solid var(--border);padding:7px 12px;border-radius:var(--radius-s);font-size:13px;cursor:pointer;text-decoration:none;font-family:inherit;line-height:1.2}
.btn:hover{background:var(--bg-hover);text-decoration:none}
.btn-primary{background:var(--accent-2);border-color:var(--accent-2);color:#fff}
.btn-primary:hover{background:#1f6ddc}
.btn-success{background:var(--success);border-color:var(--success);color:#0b0e13}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-ghost{background:transparent;border-color:var(--border)}
.btn-sm{padding:4px 8px;font-size:12px}
.btn.disabled,.btn.disabled:hover{opacity:.45;pointer-events:none}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ---------- Forms ---------- */
label{display:block;font-size:12px;color:var(--fg-1);margin-bottom:6px;letter-spacing:.02em}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=url],select,textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--border);color:var(--fg-0);padding:8px 10px;border-radius:var(--radius-s);font-family:inherit;font-size:13px;outline:none
}
textarea{min-height:90px;resize:vertical;line-height:1.5}
input:focus,select:focus,textarea:focus{border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(47,129,247,.15)}
.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:14px}
.form-row.three{grid-template-columns:repeat(3,1fr)}
.form-row.full{grid-template-columns:1fr}
.help{font-size:11px;color:var(--fg-3);margin-top:4px}

/* ---------- Tables ---------- */
table.data{width:100%;border-collapse:separate;border-spacing:0;background:transparent;font-size:13px}
table.data thead th{background:var(--bg-2);text-align:left;padding:10px 12px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-2);font-weight:600;border-bottom:1px solid var(--border)}
table.data tbody td{padding:10px 12px;border-bottom:1px solid var(--border-soft);color:var(--fg-1)}
table.data tbody tr:hover td{background:var(--bg-2)}
table.data tbody tr:last-child td{border-bottom:none}
.empty{padding:36px;text-align:center;color:var(--fg-3);font-size:13px}

/* ---------- Badges / pills ---------- */
.pill{display:inline-block;background:var(--bg-3);color:var(--fg-1);padding:2px 8px;border-radius:10px;font-size:11px;border:1px solid var(--border)}
.pill.priority-low{background:rgba(63,185,80,.12);color:#9be09b;border-color:rgba(63,185,80,.3)}
.pill.priority-medium{background:rgba(88,166,255,.12);color:#9bc8ff;border-color:rgba(88,166,255,.3)}
.pill.priority-high{background:rgba(210,153,34,.16);color:#f0c878;border-color:rgba(210,153,34,.35)}
.pill.priority-critical{background:rgba(248,81,73,.16);color:#ffb4b4;border-color:rgba(248,81,73,.35)}
.pill.status-generated{background:#2b3645;color:#aab8c8}
.pill.status-reviewed{background:rgba(88,166,255,.15);color:#9bc8ff}
.pill.status-assigned{background:rgba(106,168,255,.18);color:#cfe2ff}
.pill.status-in_progress{background:rgba(210,153,34,.18);color:#f3cf80}
.pill.status-completed{background:rgba(63,185,80,.18);color:#9be09b}
.pill.status-cancelled{background:#3a3a3a;color:#999}
.pill.status-pending_approval{background:rgba(210,153,34,.18);color:#f3cf80}
.pill.status-approved{background:rgba(63,185,80,.18);color:#9be09b}
.pill.status-rejected{background:rgba(248,81,73,.18);color:#ffb4b4}
.pill.status-sent{background:rgba(88,166,255,.18);color:#9bc8ff}
.pill.status-draft{background:#2b3645;color:#aab8c8}

/* ---------- Flash ---------- */
.flash-wrap{position:fixed;top:14px;right:18px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:380px}
.flash{padding:10px 14px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-2);font-size:13px;box-shadow:var(--shadow);animation:slideIn .25s ease-out}
.flash.success{border-left:3px solid var(--success)}
.flash.error{border-left:3px solid var(--danger);color:#ffb4b4}
.flash.info{border-left:3px solid var(--info)}
@keyframes slideIn{from{transform:translateX(20px);opacity:0}to{transform:translateX(0);opacity:1}}

/* ---------- Login page ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(at top right,rgba(47,129,247,.18),transparent 50%),var(--bg-0)}
.auth-card{width:380px;background:var(--bg-1);border:1px solid var(--border);border-radius:var(--radius-l);padding:32px;box-shadow:var(--shadow-lg)}
.auth-card h1{margin:0 0 4px;font-size:20px;font-weight:600}
.auth-card .sub{color:var(--fg-2);font-size:13px;margin-bottom:20px}
.auth-card .field{margin-bottom:14px}
.auth-card .demo-creds{background:var(--bg-2);border:1px dashed var(--border);border-radius:var(--radius-s);padding:10px;font-size:11px;color:var(--fg-2);margin-top:14px;line-height:1.6}
.auth-card .demo-creds code{background:transparent;color:var(--accent);font-family:var(--font-mono);font-size:11px}

/* ---------- Misc ---------- */
.muted{color:var(--fg-2)}
.tiny{font-size:11px}
.row-actions{display:flex;gap:6px}
.text-right{text-align:right}
.kbd{font-family:var(--font-mono);background:var(--bg-2);border:1px solid var(--border);padding:1px 6px;border-radius:4px;font-size:11px}
.divider{height:1px;background:var(--border);margin:14px 0}
.tag{background:var(--bg-3);color:var(--fg-1);font-size:11px;padding:2px 8px;border-radius:10px;border:1px solid var(--border)}

/* Split pane for email/task review */
.split{display:grid;grid-template-columns:380px 1fr;gap:0;height:calc(100vh - var(--topbar-h) - 44px);border:1px solid var(--border);border-radius:var(--radius-l);overflow:hidden;background:var(--bg-1)}
.split .list{border-right:1px solid var(--border);overflow:auto;background:var(--bg-1)}
.split .detail{overflow:auto;padding:18px 22px;background:var(--bg-0)}
.list-item{padding:12px 14px;border-bottom:1px solid var(--border-soft);cursor:pointer}
.list-item:hover{background:var(--bg-2)}
.list-item.active{background:var(--bg-3);border-left:3px solid var(--accent-2);padding-left:11px}
.list-item .li-title{font-size:13px;font-weight:500;color:var(--fg-0);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-item .li-meta{font-size:11px;color:var(--fg-3);margin-top:3px;display:flex;justify-content:space-between}
.list-item .li-snippet{font-size:12px;color:var(--fg-2);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* Timeline */
.timeline{border-left:2px solid var(--border);padding-left:18px;margin-left:8px}
.timeline-item{position:relative;padding-bottom:14px}
.timeline-item::before{content:"";position:absolute;left:-25px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--accent-2);border:2px solid var(--bg-1)}
.timeline-item .time{font-size:11px;color:var(--fg-3)}
.timeline-item .what{font-size:13px;color:var(--fg-1);margin-top:2px}

/* AI insight box */
.ai-box{background:linear-gradient(135deg,rgba(106,168,255,.08),rgba(106,168,255,.02));border:1px solid rgba(106,168,255,.25);border-radius:var(--radius);padding:14px;margin:12px 0}
.ai-box .ai-h{display:flex;align-items:center;gap:8px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:8px;font-weight:600}
.ai-box pre{background:var(--bg-0);padding:10px;border-radius:6px;font-family:var(--font-mono);font-size:11px;white-space:pre-wrap;color:var(--fg-1);max-height:300px;overflow:auto}

/* Tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px}
.tabs a{padding:8px 14px;color:var(--fg-2);font-size:13px;border-bottom:2px solid transparent;text-decoration:none}
.tabs a:hover{color:var(--fg-0)}
.tabs a.active{color:var(--fg-0);border-bottom-color:var(--accent-2);font-weight:500}