:root {
  --bg: #0b1020;
  --panel: #121933;
  --panel-2: #18213f;
  --border: #2c3866;
  --text: #edf2ff;
  --muted: #aeb8d6;
  --accent: #5b8cff;
  --accent-2: #6fe2b3;
  --danger: #ff6b7d;
  --warning: #ffca63;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

html, body { margin: 0; padding: 0; font-family: Inter, Arial, sans-serif; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
body { min-height: 100vh; }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.login-shell { width: 100%; max-width: 460px; }
.login-card,
.card,
.modal-card {
  background: linear-gradient(180deg, rgba(24,33,63,0.98), rgba(18,25,51,0.98));
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.login-card { padding: 28px; }
.login-brand h1, .sidebar h1, .topbar h2 { margin: 0; }
.eyebrow { color: var(--accent-2); text-transform: uppercase; letter-spacing: .12em; font-size: 12px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.form-stack, .form-grid { display: grid; gap: 16px; }
.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.field { display: grid; gap: 8px; }
.field > span { color: var(--muted); font-size: 13px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #0d1430;
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
}
textarea { min-height: 94px; resize: vertical; }
.btn {
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 16px;
  background: #24315c;
  color: var(--text);
}
.btn:hover { filter: brightness(1.06); }
.btn-primary { background: var(--accent); color: white; }
.btn-secondary { background: #1b2546; border-color: var(--border); }
.btn-danger { background: rgba(255,107,125,0.18); border-color: rgba(255,107,125,0.42); color: #ffd8de; }
.btn-block { width: 100%; }
.error-text { color: #ffb6c0; margin: 0; }

.app-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar {
  padding: 28px 20px;
  border-right: 1px solid var(--border);
  background: rgba(11,16,32,0.88);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 24px;
}
.sidebar-top {
  display: grid;
  gap: 24px;
}
.sidebar-footer {
  margin-top: auto;
}
.nav-stack { display: grid; gap: 10px; }
.nav-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 14px;
  padding: 14px 16px;
}
.nav-btn.active { background: rgba(91,140,255,0.16); border-color: rgba(91,140,255,0.5); }
.main-panel { padding: 24px; display: grid; gap: 20px; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
}
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: flex-end; }
.search-form { display: flex; gap: 10px; }
.search-form input { min-width: 260px; }
.card { padding: 8px; overflow: hidden; }
.table-wrap { overflow: auto; border-radius: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 980px; }
th, td { padding: 14px 12px; border-bottom: 1px solid rgba(255,255,255,0.06); text-align: left; vertical-align: top; }
thead th { position: sticky; top: 0; background: #16204a; z-index: 1; }
tbody tr:hover { background: rgba(255,255,255,0.02); }
.actions-cell { white-space: nowrap; }
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(111,226,179,0.16);
  color: #b7f7dd;
  font-size: 12px;
  border: 1px solid rgba(111,226,179,0.25);
}
.badge-warning { background: rgba(255,202,99,0.14); color: #ffe3a6; border-color: rgba(255,202,99,0.28); }
.badge-danger { background: rgba(255,107,125,0.14); color: #ffc8d0; border-color: rgba(255,107,125,0.28); }
.badge-muted { background: rgba(255,255,255,0.08); color: var(--muted); border-color: rgba(255,255,255,0.14); }
.pagination-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pagination-actions { display: flex; gap: 10px; }
.alert {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(111,226,179,0.3);
  background: rgba(111,226,179,0.12);
}
.alert.error { border-color: rgba(255,107,125,0.3); background: rgba(255,107,125,0.12); }
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 16, 0.72);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 10;
}
.modal-card { width: min(960px, 100%); max-height: 90vh; overflow: auto; padding: 24px; }
.modal-header { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 16px; }
.icon-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 12px;
  width: 40px;
  height: 40px;
  font-size: 22px;
}
.checkbox-row { display: flex; align-items: center; gap: 10px; margin-top: 30px; }
.checkbox-row input { width: auto; }
.hidden { display: none !important; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 8px; }
.small { font-size: 12px; color: var(--muted); }
.mono { font-family: Consolas, monospace; }

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--border); }
  .sidebar-footer { margin-top: 0; }
}

@media (max-width: 760px) {
  .topbar, .pagination-bar { flex-direction: column; align-items: stretch; }
  .toolbar, .search-form { width: 100%; }
  .search-form input { min-width: 0; }
  .form-grid { grid-template-columns: 1fr; }
}