:root {
  --bg: #0a0e1a;
  --bg-elev-1: #10162a;
  --bg-elev-2: #161d35;
  --bg-elev-3: #1c2440;
  --border: #232c4d;
  --border-light: #2e3a63;
  --text-primary: #eef1fb;
  --text-secondary: #9aa4c7;
  --text-muted: #626d94;
  --accent: #5b8cff;
  --accent-2: #7c5bff;
  --accent-soft: rgba(91, 140, 255, 0.12);
  --green: #2fd68f;
  --green-soft: rgba(47, 214, 143, 0.12);
  --red: #ff6b6b;
  --red-soft: rgba(255, 107, 107, 0.12);
  --amber: #ffb84d;
  --amber-soft: rgba(255, 184, 77, 0.12);
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at 15% -10%, rgba(91, 140, 255, 0.16), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(124, 91, 255, 0.12), transparent 40%),
    var(--bg);
  color: var(--text-primary);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

/* ---------- Layout shells ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 232px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--bg-elev-1), var(--bg));
  border-right: 1px solid var(--border);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 22px;
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 15px; color: white;
  box-shadow: 0 6px 18px rgba(91,140,255,0.35);
}
.brand-text .name { font-weight: 700; font-size: 15px; letter-spacing: 0.2px; }
.brand-text .sub { font-size: 11px; color: var(--text-muted); }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: background .15s, color .15s;
  user-select: none;
}
.nav-item:hover { background: var(--bg-elev-2); color: var(--text-primary); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-spacer { flex: 1; }
.nav-item.logout { color: var(--red); }

.main {
  flex: 1;
  min-width: 0;
  padding: 26px 32px 60px;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px; flex-wrap: wrap; gap: 12px;
}
.topbar h1 { font-size: 22px; margin: 0; font-weight: 700; }
.topbar .meta { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ---------- Mobile top nav ---------- */
.mobile-topbar { display: none; }
@media (max-width: 880px) {
  .sidebar { display: none; }
  .mobile-topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px; border-bottom: 1px solid var(--border);
    position: sticky; top: 0; background: var(--bg); z-index: 20;
  }
  .main { padding: 18px 16px 90px; }
  .mobile-tabbar {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
    display: flex; background: var(--bg-elev-1); border-top: 1px solid var(--border);
    padding: 6px 6px calc(6px + env(safe-area-inset-bottom));
  }
  .mobile-tabbar .tab {
    flex: 1; text-align: center; font-size: 11px; color: var(--text-muted);
    padding: 8px 4px; border-radius: 10px;
  }
  .mobile-tabbar .tab.active { color: var(--accent); background: var(--accent-soft); }
}

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 16px; }
.kpi-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.card {
  background: linear-gradient(180deg, var(--bg-elev-2), var(--bg-elev-1));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.card h2 { font-size: 15px; margin: 0 0 14px; font-weight: 600; color: var(--text-primary); }
.card h2 .hint { font-weight: 400; font-size: 12px; color: var(--text-muted); }

.kpi-card .label { font-size: 12.5px; color: var(--text-muted); font-weight: 500; }
.kpi-card .value { font-size: 24px; font-weight: 700; margin-top: 6px; letter-spacing: -0.3px; }
.kpi-card .delta { font-size: 12px; margin-top: 8px; font-weight: 600; }
.kpi-card .delta.pos { color: var(--green); }
.kpi-card .delta.neg { color: var(--red); }
.kpi-card .delta.neu { color: var(--text-muted); }

.section-title {
  font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--text-muted); font-weight: 700; margin: 30px 0 12px;
}

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 11px 12px; white-space: nowrap; }
th { color: var(--text-muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .4px; border-bottom: 1px solid var(--border); }
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:hover { background: rgba(255,255,255,0.02); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.amount-pos { color: var(--green); font-weight: 600; }
td.amount-neg { color: var(--red); font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600;
}
.badge.green { background: var(--green-soft); color: var(--green); }
.badge.red { background: var(--red-soft); color: var(--red); }
.badge.amber { background: var(--amber-soft); color: var(--amber); }
.badge.blue { background: var(--accent-soft); color: var(--accent); }
.badge.gray { background: var(--bg-elev-3); color: var(--text-muted); }

/* ---------- Forms / buttons ---------- */
label { font-size: 12.5px; color: var(--text-secondary); font-weight: 600; display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; background: var(--bg-elev-3); border: 1px solid var(--border-light);
  color: var(--text-primary); padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: 14px; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
.field { margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600;
  border: 1px solid transparent; cursor: pointer; transition: filter .15s, transform .1s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; box-shadow: 0 6px 16px rgba(91,140,255,0.3); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: var(--bg-elev-3); color: var(--text-primary); border-color: var(--border-light); }
.btn-ghost:hover { background: var(--bg-elev-2); }
.btn-danger { background: var(--red-soft); color: var(--red); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }

.error-text { color: var(--red); font-size: 13px; margin-top: 8px; min-height: 18px; }
.hint-text { color: var(--text-muted); font-size: 12.5px; margin-top: 6px; }

/* ---------- Login page ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-card {
  width: 100%; max-width: 380px; background: var(--bg-elev-2);
  border: 1px solid var(--border); border-radius: 18px; padding: 34px 30px;
  box-shadow: var(--shadow);
}
.login-brand { text-align: center; margin-bottom: 26px; }
.login-brand .brand-mark { margin: 0 auto 12px; width: 46px; height: 46px; font-size: 19px; border-radius: 13px; }
.login-brand h1 { font-size: 19px; margin: 0 0 4px; }
.login-brand p { font-size: 12.5px; color: var(--text-muted); margin: 0; }

/* ---------- Misc ---------- */
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; }
.muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.pill-tabs { display: flex; gap: 6px; background: var(--bg-elev-3); padding: 4px; border-radius: 10px; width: fit-content; }
.pill-tabs .pill { padding: 7px 14px; border-radius: 8px; font-size: 12.5px; font-weight: 600; color: var(--text-muted); cursor: pointer; }
.pill-tabs .pill.active { background: var(--accent); color: white; }

.modal-backdrop {
  position: fixed; inset: 0; background: rgba(4,7,16,0.6); backdrop-filter: blur(3px);
  display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal {
  width: 100%; max-width: 480px; background: var(--bg-elev-2); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); max-height: 90vh; overflow-y: auto;
}
.modal h3 { margin-top: 0; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 13.5px; }

::-webkit-scrollbar { height: 8px; width: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }

@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}