:root {
  --bg: #0b1020;
  --surface: #121936;
  --card: #18224a;
  --text: #e7ecff;
  --muted: #b8c0e3;
  --primary: #6ea8fe;
  --primary-strong: #3d8bfd;
  --ring: rgba(110,168,254,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  color: var(--text);
  background: var(--bg);
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 800px at 10% -10%, #1a2450 0%, rgba(26,36,80,0) 60%),
    radial-gradient(900px 600px at 110% 0%, #10235c 0%, rgba(16,35,92,0) 60%);
  background-repeat: no-repeat;
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(11,16,32,.85), rgba(11,16,32,.65));
  border-bottom: 1px solid rgba(255,255,255,.05);
  z-index: 50;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header-actions { display:flex; align-items:center; gap:10px; }
.brand { display: flex; align-items: center; gap: 10px; }
.logo {
  height: 36px;
  width: 36px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #081022;
  font-weight: 800;
}
.brand-name { font-weight: 700; letter-spacing: .2px; }
.nav { display: flex; gap: 14px; }
.nav-link { color: var(--text); text-decoration: none; opacity: .9; }
.nav-link:hover { opacity: 1; }

.hero {
  padding: 96px 20px 40px;
  text-align: center;
}
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
}
.subtitle {
  margin: 0 auto 28px;
  max-width: 720px;
  color: var(--muted);
  line-height: 1.6;
}
.cta-group { display: inline-flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: box-shadow .2s, transform .02s, background .2s, color .2s;
  border: 1px solid rgba(255,255,255,.08);
}
.btn.icon { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:10px 12px; }
.btn.edit { color:#081022; background: linear-gradient(135deg, var(--primary), var(--primary-strong)); box-shadow: 0 10px 30px -12px var(--ring); }
.btn.success { color:#081022; background: linear-gradient(135deg, #7ddc7a, #38d27d); border-color: rgba(125,220,122,.3); box-shadow: 0 10px 30px -12px rgba(56,210,125,.35); }
.btn.success:hover { box-shadow: 0 16px 36px -12px rgba(56,210,125,.35); }
.btn.primary {
  color: #081022;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 10px 30px -12px var(--ring);
}
.btn.primary:hover { box-shadow: 0 16px 36px -12px var(--ring); }
.btn.ghost { color: var(--text); background: transparent; }
.btn:active { transform: translateY(1px); }

.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  padding: 32px 20px 80px;
}
.feature {
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 14px;
  padding: 18px;
}
.feature h3 { margin: 0 0 8px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); }

.site-footer {
  border-top: 1px solid rgba(255,255,255,.06);
  background: rgba(0,0,0,.2);
}
.footer-content {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 900px) {
  .features { grid-template-columns: 1fr; }
}

/* --------- Responsive Enhancements (global) --------- */
.actions { flex-wrap: wrap; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.table { width: 100%; border-collapse: collapse; }
.table-wrap { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.intra-nav { flex-wrap: wrap; }
.table { font-size: 14px; }
.table th:nth-child(8), .table td:nth-child(8),
.table th:nth-child(9), .table td:nth-child(9) { font-size: 12px; color: var(--muted); }
.table td.actions { display:flex; align-items:center; gap:8px; flex-wrap:nowrap; justify-content:center; }
.table th:last-child { text-align:center; }
.table td.actions .btn { white-space: nowrap; }

@media (max-width: 720px) {
  .container { padding: 0 14px; }
  .site-header .header-content { height: 56px; }
  .hero { padding: 72px 16px 32px; }
  .btn { padding: 10px 14px; }
  .footer-content { height: 56px; }
  .cta-group { justify-content: center; }
  .table { font-size: 13px; }
  .table th:nth-child(8), .table td:nth-child(8),
  .table th:nth-child(9), .table td:nth-child(9) { font-size: 11.5px; }
  .table td.actions { gap:6px; justify-content:center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 26px; }
  .subtitle { font-size: 14px; }
}

/* Toast notifications */
.toast { position: fixed; right: 16px; bottom: 16px; z-index: 1000; background: rgba(18,25,54,.96); color: var(--text); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 12px 14px; box-shadow: 0 8px 24px rgba(0,0,0,.35); opacity: 0; transform: translateY(8px); animation: toast-in .2s ease forwards; }
.toast.success { border-color: rgba(110,168,254,.35); }
@keyframes toast-in { to { opacity: 1; transform: translateY(0); } }

/* DataTables theming (dark) */
.dt-container .dt-length label,
.dt-container .dt-search label,
.dt-container .dt-info { color: var(--muted); }
.dt-container .dt-input, .dt-container select.dt-input {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 8px 10px;
}
.dt-container .dt-input::placeholder { color: var(--muted); }
.dt-container .dt-paging { display:flex; align-items:center; justify-content:center; gap:6px; margin-top:8px; }
.dt-container .dt-paging .dt-paging-button {
  color: var(--text) !important;
  border: 1px solid rgba(255,255,255,.12) !important;
  background: rgba(0,0,0,.15) !important;
  border-radius: 8px !important;
  padding: 8px 12px !important;
  margin: 2px !important;
}
.dt-container .dt-paging .dt-paging-button.current,
.dt-container .dt-paging .dt-paging-button.current:hover {
  color: #081022 !important;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong)) !important;
  border-color: rgba(110,168,254,.35) !important;
}
.dt-container .dt-paging .dt-paging-button:hover {
  background: rgba(255,255,255,.10) !important;
  border-color: rgba(255,255,255,.18) !important;
}
.dt-container .dt-paging .dt-paging-button.disabled,
.dt-container .dt-paging .dt-paging-button.disabled:hover {
  opacity: .5 !important;
  background: rgba(0,0,0,.1) !important;
}
.dt-container .dt-paging .dt-paging-button:active { transform: translateY(1px); }

.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label,
.dataTables_wrapper .dataTables_info { color: var(--muted); }
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 8px 10px;
}
.dataTables_wrapper .dt-input {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 8px 10px;
}
.dataTables_wrapper .dt-input::placeholder { color: var(--muted); }
.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--text) !important;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.15);
  border-radius: 8px;
  padding: 8px 12px;
  margin: 2px;
}
.dataTables_wrapper .dataTables_paginate { display:flex; align-items:center; gap:4px; }
.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  color: #081022 !important;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  border-color: rgba(110,168,254,.35);
}
.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.18);
}
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled,
.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
  opacity: .5;
  background: rgba(0,0,0,.1);
}
.dataTables_wrapper .dataTables_paginate .paginate_button:active { transform: translateY(1px); }
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
  margin: 8px 0;
}
.dataTables_wrapper .dataTables_filter input { margin-left: 6px; }