:root {
  --bg: #07111f;
  --panel: rgba(15, 23, 42, .78);
  --line: rgba(148, 163, 184, .18);
  --text: #f8fafc;
  --soft: #cbd5e1;
  --muted: #94a3b8;
  --blue: #2563eb;
  --cyan: #38bdf8;
  --green: #22c55e;
  --amber: #f59e0b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(56,189,248,.16), transparent 30%),
    radial-gradient(circle at 82% 16%, rgba(37,99,235,.2), transparent 28%),
    linear-gradient(180deg, #050816 0%, var(--bg) 52%, #060b16 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a { color: inherit; text-decoration: none; }

.dx-shell {
  width: min(1160px, calc(100% - 28px));
  margin: 0 auto;
  padding: 34px 0 70px;
}

.dx-cover,
.dx-panel,
.dx-score-card,
.dx-mini-card,
.dx-week,
.dx-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel), rgba(15,23,42,.56));
  box-shadow: 0 24px 80px rgba(0,0,0,.22);
}

.dx-cover {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 28px;
  margin-bottom: 18px;
}

.dx-kicker {
  display: inline-flex;
  margin: 0 0 12px;
  padding: 7px 12px;
  border: 1px solid rgba(56,189,248,.28);
  border-radius: 999px;
  background: rgba(56,189,248,.09);
  color: #bae6fd;
  font-weight: 850;
}

h1 {
  max-width: 880px;
  margin: 0 0 14px;
  font-size: clamp(2.1rem, 5vw, 4.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 { margin: 0 0 12px; font-size: clamp(1.35rem, 2.4vw, 2rem); }
h3 { margin: 14px 0 10px; font-size: 1.05rem; }

.dx-muted { color: var(--soft); margin: 0; }

.dx-score {
  width: 160px;
  min-height: 160px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 1px solid rgba(147,197,253,.28);
  border-radius: 8px;
  background: rgba(37,99,235,.14);
  color: #dbeafe;
  padding: 16px;
}

.dx-score span {
  font-size: 52px;
  line-height: 1;
  font-weight: 900;
}

.dx-score strong { display: block; }
.dx-score small { color: var(--soft); }

.dx-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.dx-meta span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--soft);
  background: rgba(2,6,23,.28);
}

.dx-form,
.dx-card-list,
.dx-plan {
  display: grid;
  gap: 16px;
}

.dx-panel {
  padding: 22px;
  margin-bottom: 16px;
}

.dx-form-grid,
.dx-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--soft);
  font-weight: 800;
}

input,
select,
textarea,
button {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(2,6,23,.5);
  color: var(--text);
  padding: 12px 13px;
  font: inherit;
}

textarea {
  min-height: 116px;
  resize: vertical;
}

.dx-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.dx-options label {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: rgba(2,6,23,.32);
}

.dx-options input {
  width: auto;
  margin-top: 5px;
}

.dx-submit,
.dx-actions a,
.dx-admin-form button {
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), #1d4ed8);
  color: #fff;
  padding: 15px 18px;
  font-weight: 900;
  cursor: pointer;
}

.dx-notice {
  display: none;
  border: 1px solid rgba(34,197,94,.32);
  border-radius: 8px;
  padding: 14px;
  color: #86efac;
  background: rgba(34,197,94,.1);
}

.dx-summary p {
  font-size: 1.1rem;
  color: var(--soft);
}

.dx-warning {
  border: 1px solid rgba(245,158,11,.35);
  border-radius: 8px;
  padding: 14px;
  background: rgba(245,158,11,.1);
  color: #fde68a;
}

.dx-score-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 16px;
}

.dx-score-card,
.dx-mini-card,
.dx-week,
.dx-box {
  padding: 18px;
}

.dx-score-card span {
  color: var(--muted);
  font-weight: 800;
}

.dx-score-card strong {
  display: block;
  font-size: 38px;
  line-height: 1;
  margin: 10px 0;
  color: #93c5fd;
}

.dx-score-card p,
.dx-mini-card p,
.dx-box p {
  color: var(--soft);
  margin: 0;
}

.dx-score-card small {
  color: var(--muted);
}

.dx-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.dx-table {
  width: 100%;
  min-width: 680px;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.dx-table th,
.dx-table td {
  padding: 13px 15px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  color: var(--soft);
}

.dx-table th {
  color: #bfdbfe;
  background: rgba(59,130,246,.1);
}

.dx-table tr:last-child td { border-bottom: 0; }
.dx-table td:first-child { color: var(--text); font-weight: 800; }

.dx-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.dx-box.good { border-color: rgba(34,197,94,.28); }
.dx-box.caution { border-color: rgba(245,158,11,.35); }

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

.dx-plan {
  grid-template-columns: repeat(4, 1fr);
}

ul {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--soft);
}

.dx-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.dx-actions a {
  width: auto;
  display: inline-flex;
}

.dx-admin-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 10px;
}

.dx-admin-form textarea {
  grid-column: 1 / -1;
}

@media (max-width: 900px) {
  .dx-cover,
  .dx-form-grid,
  .dx-grid,
  .dx-two,
  .dx-card-list,
  .dx-plan {
    grid-template-columns: 1fr;
  }

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

  .dx-score {
    width: 100%;
    min-height: 120px;
  }

  .dx-admin-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .dx-shell { width: min(100% - 20px, 1160px); padding-top: 18px; }
  .dx-cover, .dx-panel { padding: 16px; }
  .dx-options { grid-template-columns: 1fr; }
}