* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --border: #2a2d3a;
  --accent: #f5a623;
  --accent2: #4f8ef7;
  --text: #e8eaf0;
  --muted: #6b7280;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #f59e0b;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }

/* ── Layout ── */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px; background: var(--surface); border-right: 1px solid var(--border);
  padding: 24px 0; display: flex; flex-direction: column; position: fixed; height: 100vh;
}

.sidebar .logo { padding: 0 20px 24px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.sidebar .logo span { font-size: 18px; font-weight: 700; color: var(--accent); }
.sidebar .logo small { display: block; font-size: 11px; color: var(--muted); margin-top: 2px; }

.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: var(--muted); text-decoration: none; font-size: 14px; transition: all 0.15s; border-left: 3px solid transparent; }
.nav-item:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(245,166,35,0.07); }
.nav-item .icon { font-size: 16px; width: 20px; text-align: center; }

.main { margin-left: 220px; flex: 1; padding: 32px; }

.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 22px; font-weight: 600; }
.page-header p { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* ── Cards ── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.card .value { font-size: 32px; font-weight: 700; margin: 8px 0 4px; }
.card .sub { font-size: 12px; color: var(--muted); }
.card.accent { border-color: rgba(245,166,35,0.3); background: rgba(245,166,35,0.06); }
.card.green { border-color: rgba(34,197,94,0.3); background: rgba(34,197,94,0.06); }
.card.blue { border-color: rgba(79,142,247,0.3); background: rgba(79,142,247,0.06); }

/* ── Tables ── */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.table-wrap .table-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.table-wrap .table-header h2 { font-size: 15px; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th { padding: 10px 20px; text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); border-bottom: 1px solid var(--border); }
td { padding: 14px 20px; font-size: 14px; border-bottom: 1px solid rgba(255,255,255,0.04); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }

/* ── Badges ── */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge.new { background: rgba(79,142,247,0.15); color: var(--accent2); }
.badge.progress { background: rgba(245,158,11,0.15); color: var(--yellow); }
.badge.qualified { background: rgba(34,197,94,0.15); color: var(--green); }
.badge.closed { background: rgba(107,114,128,0.15); color: var(--muted); }
.badge.urgent { background: rgba(239,68,68,0.15); color: var(--red); }

/* ── Buttons ── */
.btn { padding: 7px 14px; border-radius: 7px; border: none; cursor: pointer; font-size: 13px; font-weight: 500; transition: all 0.15s; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: #e09920; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn-danger { background: rgba(239,68,68,0.1); color: var(--red); border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input, select { width: 100%; padding: 9px 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 14px; outline: none; }
input:focus, select:focus { border-color: var(--accent); }

/* ── Modal ── */
.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 100; align-items: center; justify-content: center; }
.modal-backdrop.open { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; width: 420px; }
.modal h2 { font-size: 17px; margin-bottom: 20px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; }

/* ── Login ── */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-box { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 380px; }
.login-box h1 { font-size: 22px; margin-bottom: 6px; }
.login-box p { color: var(--muted); font-size: 14px; margin-bottom: 28px; }

/* ── Conversation ── */
.convo { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 14px; max-height: 220px; overflow-y: auto; }
.msg { margin-bottom: 10px; font-size: 13px; }
.msg .who { font-size: 11px; color: var(--muted); margin-bottom: 2px; }
.msg.ai .bubble { background: var(--surface); border-radius: 8px; padding: 8px 12px; display: inline-block; }
.msg.lead .bubble { background: rgba(79,142,247,0.12); border-radius: 8px; padding: 8px 12px; display: inline-block; }

.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; margin-right: 4px; }
.dot.green { background: var(--green); }
.dot.yellow { background: var(--yellow); }
.dot.red { background: var(--red); }
.dot.grey { background: var(--muted); }

.section-gap { margin-top: 28px; }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: 8px; }

/* ── Mobile (phones & small tablets) ── */
@media (max-width: 768px) {
  .layout { flex-direction: column; }

  /* Sidebar becomes a horizontal top bar that scrolls sideways */
  .sidebar {
    position: static;
    width: 100%;
    height: auto;
    padding: 12px 0 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .sidebar .logo { padding: 0 16px 12px; margin-bottom: 0; }
  .sidebar nav {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-item {
    border-left: none;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    padding: 12px 16px;
  }
  .nav-item.active { border-left: none; border-bottom-color: var(--accent); }

  /* Main content takes the full width */
  .main { margin-left: 0; padding: 16px; }

  .page-header { margin-bottom: 20px; }
  .page-header h1 { font-size: 19px; }
  .flex-between { flex-wrap: wrap; gap: 12px; }

  /* Stat cards: two compact columns */
  .cards { grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
  .card { padding: 14px; }
  .card .value { font-size: 22px; }

  /* Tables scroll sideways instead of breaking the layout */
  .table-wrap { overflow-x: auto; }
  table { min-width: 560px; }
  th, td { padding: 10px 12px; font-size: 13px; }

  /* Boxes fit the screen */
  .login-box { width: 90%; padding: 28px 22px; }
  .modal { width: 90%; }
}