*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0d0f14; --surface: #151820; --card: #1c2030; --border: #2a3045;
  --accent: #4f8ef7; --accent2: #7c5af7; --green: #34d399; --red: #f87171;
  --text: #e2e8f0; --muted: #94a3b8; --radius: 14px;
}
body {
  font-family: 'Be Vietnam Pro', sans-serif;
  background: var(--bg); color: var(--text);
  min-height: 100vh; padding: 32px 16px 60px;
}
.wrap { max-width: 1280px; margin: 0 auto; }
.wrap.narrow { max-width: 620px; }
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 28px;
}
.cap-tinh-link {
  font-size: .82rem; color: #38bdf8; text-decoration: none; white-space: nowrap;
  padding: 8px 12px; border: 1px solid rgba(56,189,248,.35); border-radius: 10px;
}
.cap-tinh-link:hover { background: rgba(56,189,248,.08); }
.logo {
  font-family: 'Space Mono', monospace; font-size: 1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px; margin-bottom: 20px;
}
.card-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 6px; }
.card-sub { font-size: .85rem; color: var(--muted); margin-bottom: 22px; line-height: 1.5; }
label {
  display: block; font-size: .75rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 7px;
}
.card select, .card > input[type="text"], .canbo-field input[type="text"] {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; color: var(--text);
  font-family: inherit; font-size: .92rem; outline: none;
}
.card select:focus, .canbo-field input[type="text"]:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,142,247,.15);
}
.form-row { margin-bottom: 16px; }
.ky-row { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border: none; border-radius: 10px;
  font-family: inherit; font-size: .88rem; font-weight: 600; cursor: pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; }
.btn-green { background: var(--green); color: #0d1a12; }
.btn-export { background: #38bdf8; color: #0c1929; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn:hover { opacity: .9; transform: translateY(-1px); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.canbo-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 8px; }
.greeting {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px;
  background: rgba(79,142,247,.08); border: 1px solid rgba(79,142,247,.25);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 20px; font-size: .9rem;
}
.greeting-meta { flex: 1; min-width: 200px; }
.greeting-meta strong { display: block; margin-bottom: 4px; }
.greeting-meta span { color: var(--muted); font-size: .82rem; }
.alert { padding: 12px 16px; border-radius: 10px; font-size: .88rem; margin-bottom: 16px; line-height: 1.5; }
.alert ul { margin: 6px 0 0 18px; }
.alert-success { background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.3); color: var(--green); }
.alert-error { background: rgba(248,113,113,.1); border: 1px solid rgba(248,113,113,.3); color: var(--red); }

/* Tab 20 biểu */
.tab-strip { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 14px; }
.tab-btn {
  appearance: none; border: 1px solid var(--border); background: var(--surface);
  color: var(--text); border-radius: 10px; padding: 8px 12px; font: inherit;
  font-size: .82rem; font-weight: 600; cursor: pointer; position: relative;
}
.tab-btn.active {
  border-color: rgba(79,142,247,.55);
  background: linear-gradient(135deg, rgba(79,142,247,.25), rgba(124,90,247,.25));
  box-shadow: 0 0 0 3px rgba(79,142,247,.12);
}
.tab-dot {
  display: none; width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  margin-left: 6px; vertical-align: middle;
}
.tab-btn.filled .tab-dot { display: inline-block; }
.coverage-note {
  margin-bottom: 14px; padding: 10px 12px; border-radius: 10px; font-size: .84rem;
  border: 1px solid rgba(56,189,248,.35); background: rgba(56,189,248,.08); color: #bae6fd;
}
.bieu-panel { display: none; }
.bieu-panel.active { display: block; }
.bieu-title { font-size: .92rem; line-height: 1.5; margin-bottom: 12px; }
.bieu-ky { color: var(--muted); }
.bang-heading { font-size: .9rem; font-weight: 700; margin: 18px 0 8px; color: #bfdbfe; }

/* Bảng nhập */
.table-panel {
  background: #f1f5f9; border: 1px solid #cbd5e1; border-radius: 12px;
  max-height: min(72vh, 760px); overflow: auto;
  box-shadow: 0 4px 24px rgba(15,23,42,.12); margin-bottom: 10px;
}
.data-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .85rem; background: #fff; color: #0f172a; }
.data-table th, .data-table td { border: 1px solid #e2e8f0; padding: 6px 8px; vertical-align: middle; }
.data-table thead { position: sticky; top: 0; z-index: 20; }
.data-table thead th {
  background: #dbeafe; text-align: center; font-size: .72rem; font-weight: 700;
  color: #1e3a8a; border-color: #93c5fd; line-height: 1.3; min-width: 90px;
}
.data-table th.col-stt { min-width: 52px; width: 52px; }
.data-table th.col-label { min-width: 240px; }
.data-table td.stt { text-align: center; color: #475569; white-space: nowrap; font-size: .8rem; }
.data-table td.ten { color: #166534; font-weight: 600; min-width: 240px; background: #fafafa; }
.muc-row td { background: #eff6ff; font-weight: 700; color: #1e3a8a; }
.tong-row td { background: #f1f5f9; font-weight: 700; }
.tong-row td.ten { color: #0f172a; }
.tong-cell { text-align: right; white-space: nowrap; }
.add-row td { background: #f8fafc; padding: 6px 8px; }
.btn-add {
  background: transparent; border: 1px dashed #60a5fa; color: #1d4ed8; border-radius: 8px;
  padding: 5px 10px; font: inherit; font-size: .8rem; cursor: pointer;
}
.btn-add:hover { background: #eff6ff; }
.btn-remove {
  background: transparent; border: none; color: #dc2626; font-size: 1rem; line-height: 1;
  cursor: pointer; margin-left: 4px; padding: 0 2px;
}
.data-table input, .data-table select, .data-table textarea {
  width: 100%; padding: 7px 8px; font: inherit; font-size: .85rem;
  background: #fff; border: 1px solid #cbd5e1; color: #0f172a; border-radius: 6px; outline: none;
}
.data-table input:focus, .data-table select:focus, .data-table textarea:focus {
  border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59,130,246,.18);
}
.data-table input.num { text-align: right; min-width: 84px; }
.data-table input.computed { background: #f1f5f9; color: #475569; }
.data-table input.invalid { border-color: #dc2626; background: #fef2f2; }
.data-table .text-input { min-width: 150px; }
.data-table .long-input { min-width: 220px; resize: vertical; }
.data-table .date-input { min-width: 130px; }
.data-table .sel-input { min-width: 80px; }
.data-table .ten-input { min-width: 220px; }

.bang-notes { font-size: .8rem; color: var(--muted); margin: 8px 0 16px; line-height: 1.5; }
.bang-notes summary { cursor: pointer; color: #93c5fd; margin-bottom: 6px; }
.bang-notes ul { margin-left: 18px; }
.bang-tra { display: grid; grid-template-columns: 1fr 2fr; gap: 18px; }
.tra-list { list-style: none; margin: 6px 0 0 !important; columns: 2; }
.tra-list b { color: #bfdbfe; display: inline-block; min-width: 22px; }

/* Trang cấp tỉnh / admin */
body.manage { padding: 0; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.login-box { width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px; }
.login-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 6px; }
.login-sub { font-size: .82rem; color: var(--muted); margin-bottom: 24px; line-height: 1.5; }
.form-group { margin-bottom: 18px; }
.manage select, .manage input[type="text"], .manage input[type="password"] {
  width: 100%; background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; color: var(--text); font-family: inherit; font-size: .92rem; outline: none;
}
.btn-login { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; width: 100%; }
.btn-danger { background: rgba(248,113,113,.12); border: 1px solid rgba(248,113,113,.3); color: var(--red); }
.admin-layout { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  padding: 16px 28px; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-logo { font-family: 'Space Mono', monospace; color: var(--accent); font-size: .95rem; }
.topbar-sub { font-size: .82rem; color: var(--muted); margin-top: 4px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; padding: 24px 28px 0; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-label { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.stat-value { font-size: 1.6rem; font-weight: 700; font-family: 'Space Mono', monospace; color: var(--accent); }
.content { padding: 20px 28px 50px; flex: 1; }
.filter-row { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; margin-bottom: 16px; }
.filter-row > div { min-width: 170px; }
.filter-row .btn { padding: 11px 16px; }
.grid-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.grid-table { width: 100%; border-collapse: collapse; font-size: .82rem; min-width: 820px; }
.grid-table th, .grid-table td { border-bottom: 1px solid var(--border); padding: 10px 12px; text-align: left; white-space: nowrap; }
.grid-table th { background: var(--surface); color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; position: sticky; top: 0; }
.grid-table a { color: #38bdf8; text-decoration: none; }
.grid-table a:hover { text-decoration: underline; }
.no-data { text-align: center; padding: 48px !important; color: var(--muted); }
.home-link { color: var(--accent); font-size: .82rem; text-decoration: none; }

@media (max-width: 640px) {
  .card { padding: 20px 14px; }
  .table-panel { max-height: 65vh; }
  .canbo-row, .ky-row, .bang-tra { grid-template-columns: 1fr; }
  .tra-list { columns: 1; }
  .data-table td.ten, .data-table th.col-label { min-width: 150px; }
}