:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --border: #e4e8f0;
  --text: #1c2333;
  --muted: #6b7386;
  --primary: #3355ff;
  --primary-dark: #2340d6;
  --success: #1fa971;
  --warning: #e8a33d;
  --danger: #e5484d;
  --info: #3aa0e8;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(20,25,40,.06), 0 1px 2px rgba(20,25,40,.04);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
}
a { color: inherit; text-decoration: none; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; background: #151a2b; color: #cfd4e6;
  display: flex; flex-direction: column; padding: 18px 14px;
  position: sticky; top: 0; height: 100vh;
}
.brand { font-size: 22px; font-weight: 800; color: #fff; margin: 6px 8px 22px; }
.brand span { color: var(--primary); }
.sidebar nav { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.sidebar nav a {
  padding: 10px 12px; border-radius: 8px; color: #b7bdd4; font-weight: 500;
}
.sidebar nav a:hover { background: #1f2540; color: #fff; }
.sidebar nav a.active { background: var(--primary); color: #fff; }
.sidebar-footer { border-top: 1px solid #262c44; padding-top: 12px; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 6px 8px; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.u-name { color: #fff; font-size: 13.5px; font-weight: 600; }
.u-role { font-size: 11.5px; color: #8890ac; text-transform: capitalize; }
.logout-link { display: block; margin-top: 10px; padding: 8px 12px; color: #ff8a8f; font-size: 13px; }
.content { flex: 1; padding: 26px 30px; max-width: 100%; overflow-x: auto; }

/* ---------- Common elements ---------- */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px;}
.page-header h1 { font-size: 21px; margin: 0; }
.page-header p.subtitle { color: var(--muted); margin: 4px 0 0; font-size: 13px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px;
  background: var(--primary); color: #fff; border: none; border-radius: 8px;
  font-size: 13.5px; font-weight: 600; cursor: pointer;
}
.btn:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-sm { padding: 6px 10px; font-size: 12.5px; }
.btn-success { background: var(--success); }
.btn-danger { background: var(--danger); }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 18px; }

.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); } .grid-3 { grid-template-columns: repeat(2,1fr);} }

.stat-card { padding: 16px; }
.stat-card .label { color: var(--muted); font-size: 12.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.stat-card .value { font-size: 26px; font-weight: 800; margin-top: 6px; }
.stat-card .sub { font-size: 12px; color: var(--muted); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .02em; background: #fafbfe; }
tr:hover td { background: #fafbff; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 700; }
.badge-new, .badge-pending { background: #fff2df; color: #a56a10; }
.badge-contacted, .badge-processing { background: #e3ecff; color: var(--primary-dark); }
.badge-converted, .badge-completed, .badge-paid, .badge-active { background: #e2f6ee; color: var(--success); }
.badge-dropped, .badge-failed, .badge-critical { background: #fde3e4; color: var(--danger); }
.badge-verification { background: #eae1fb; color: #6b3fc7; }
.badge-submitted { background: #dff3fc; color: #1d7ea8; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 5px; color: var(--muted); }
input, select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px;
  font-size: 13.5px; background: #fff; color: var(--text); font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
textarea { resize: vertical; min-height: 70px; }

.flash { padding: 11px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13.5px; font-weight: 600; }
.flash-success { background: #e2f6ee; color: var(--success); }
.flash-error { background: #fde3e4; color: var(--danger); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.tabs a { padding: 10px 14px; font-size: 13px; font-weight: 600; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--primary); border-color: var(--primary); }

.kanban { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 10px; }
.kanban-col { min-width: 250px; background: #fafbfe; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; }
.kanban-col h3 { font-size: 12.5px; text-transform: uppercase; color: var(--muted); margin: 2px 0 10px; }
.kanban-card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 10px; margin-bottom: 8px; font-size: 13px; box-shadow: var(--shadow); }
.kanban-card .name { font-weight: 700; margin-bottom: 3px; }
.kanban-card .meta { color: var(--muted); font-size: 11.5px; }

.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(15,18,30,.45); align-items: center; justify-content: center; z-index: 50; }
.modal-backdrop.open { display: flex; }
.modal { background: #fff; border-radius: 12px; width: 560px; max-width: 92vw; max-height: 88vh; overflow-y: auto; padding: 22px; }
.modal h2 { margin-top: 0; font-size: 17px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; }

.call-btn { color: var(--success); font-weight: 700; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-card { width: 380px; background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 34px; }
.login-card h1 { font-size: 20px; margin: 0 0 2px; }
.login-card p { color: var(--muted); font-size: 13px; margin: 0 0 22px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 8px; }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 6px; }

.filters { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.filters select, .filters input { width: auto; min-width: 160px; }