:root {
  --d3d-primary: #4169E1;
  --d3d-primary-hover: #3154C7;
  --d3d-primary-strong: #2947AE;
  --d3d-primary-soft: #EEF2FF;
  --d3d-primary-soft-2: #F6F8FF;
  --d3d-bg: #F6F8FC;
  --d3d-surface: #FFFFFF;
  --d3d-surface-muted: #F9FAFB;
  --d3d-text: #202633;
  --d3d-text-soft: #687386;
  --d3d-border: #E3E7EF;
  --d3d-border-strong: #CDD4E0;
  --d3d-success: #15803D;
  --d3d-success-bg: #ECFDF3;
  --d3d-warning: #B45309;
  --d3d-warning-bg: #FFF7ED;
  --d3d-danger: #C62828;
  --d3d-danger-bg: #FEF2F2;
  --d3d-shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --d3d-shadow: 0 10px 30px rgba(31, 41, 55, .08);
  --d3d-radius-sm: 8px;
  --d3d-radius: 12px;
  --d3d-radius-lg: 18px;
  --d3d-focus: 0 0 0 3px rgba(65, 105, 225, .22);
  --d3d-font: "Comfortaa", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--d3d-bg); }
body.dan3d-body {
  min-height: 100vh;
  margin: 0;
  background: var(--d3d-bg);
  color: var(--d3d-text);
  font-family: var(--d3d-font);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--d3d-primary); }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .6; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 2px solid var(--d3d-primary);
  outline-offset: 2px;
  box-shadow: var(--d3d-focus);
}

.d3d-skip-link {
  position: fixed;
  z-index: 1000001;
  left: 16px;
  top: 12px;
  padding: 10px 14px;
  border-radius: var(--d3d-radius-sm);
  background: var(--d3d-primary);
  color: #fff;
  text-decoration: none;
  transform: translateY(-150%);
}
.d3d-skip-link:focus { transform: translateY(0); }

.d3d-eyebrow {
  margin: 0 0 5px;
  color: var(--d3d-primary);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.d3d-muted { color: var(--d3d-text-soft); }

.d3d-brand-mark {
  display: inline-grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 17px;
  background: linear-gradient(145deg, var(--d3d-primary), var(--d3d-primary-strong));
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .03em;
  box-shadow: 0 12px 28px rgba(65, 105, 225, .24);
}
.d3d-brand-mark.small {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 12px;
  box-shadow: none;
}

.d3d-btn {
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-weight: 700;
  line-height: 1.2;
  transition: background .18s ease, border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.d3d-btn:hover:not(:disabled) { transform: translateY(-1px); }
.d3d-btn-primary {
  background: var(--d3d-primary);
  border-color: var(--d3d-primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(65, 105, 225, .18);
}
.d3d-btn-primary:hover:not(:disabled) { background: var(--d3d-primary-hover); border-color: var(--d3d-primary-hover); }
.d3d-btn-secondary { background: #fff; border-color: var(--d3d-border-strong); color: var(--d3d-text); }
.d3d-btn-secondary:hover:not(:disabled) { border-color: var(--d3d-primary); color: var(--d3d-primary-strong); background: var(--d3d-primary-soft-2); }
.d3d-btn-danger { background: #fff; border-color: #F1C3C3; color: var(--d3d-danger); }
.d3d-btn-block { width: 100%; }
.d3d-link-btn {
  border: 0;
  background: transparent;
  color: var(--d3d-primary);
  padding: 8px;
  font-weight: 700;
}

.d3d-form { display: grid; gap: 16px; }
.d3d-form label { display: grid; gap: 7px; color: #384152; font-size: 12px; font-weight: 700; }
.d3d-form input,
.d3d-form select,
.d3d-form textarea,
.d3d-search input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--d3d-border-strong);
  border-radius: 10px;
  background: #fff;
  color: var(--d3d-text);
  padding: 10px 12px;
  font-weight: 500;
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.d3d-form textarea { min-height: 92px; resize: vertical; }
.d3d-form input::placeholder,
.d3d-form textarea::placeholder,
.d3d-search input::placeholder { color: #98A2B3; }
.d3d-form input:hover,
.d3d-form select:hover,
.d3d-form textarea:hover,
.d3d-search input:hover { border-color: #B6C0CF; }
.d3d-form input:focus,
.d3d-form select:focus,
.d3d-form textarea:focus,
.d3d-search input:focus {
  border-color: var(--d3d-primary);
  box-shadow: var(--d3d-focus);
}

.d3d-alert { padding: 11px 13px; border: 1px solid; border-radius: 10px; font-size: 12px; font-weight: 600; }
.d3d-alert-error { border-color: #F3C3C3; background: var(--d3d-danger-bg); color: var(--d3d-danger); }
.d3d-alert-success { border-color: #BCE5C9; background: var(--d3d-success-bg); color: var(--d3d-success); }

.d3d-panel {
  border: 1px solid var(--d3d-border);
  border-radius: var(--d3d-radius-lg);
  background: var(--d3d-surface);
  box-shadow: var(--d3d-shadow-sm);
}
.d3d-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.d3d-stat {
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--d3d-border);
  border-radius: var(--d3d-radius-lg);
  background: var(--d3d-surface);
  box-shadow: var(--d3d-shadow-sm);
}
.d3d-stat > span { display: block; color: var(--d3d-text-soft); font-size: 11px; font-weight: 700; }
.d3d-stat > strong { display: block; margin: 10px 0 2px; color: var(--d3d-text); font-size: 27px; line-height: 1.25; }
.d3d-stat > strong.d3d-stat-text { font-size: 18px; }
.d3d-stat > small { color: #8A94A6; font-size: 10px; }

.d3d-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.d3d-search { width: min(480px, 100%); }

.d3d-table-wrap { width: 100%; overflow-x: auto; border-radius: inherit; }
.d3d-table { width: 100%; border-collapse: collapse; min-width: 820px; }
.d3d-table th,
.d3d-table td { padding: 14px 16px; border-bottom: 1px solid var(--d3d-border); text-align: left; vertical-align: middle; }
.d3d-table th { background: #FAFBFD; color: #5D6676; font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.d3d-table tbody tr:hover { background: var(--d3d-primary-soft-2); }
.d3d-table tbody tr:last-child td { border-bottom: 0; }
.d3d-table td { color: #3C4656; font-size: 12px; }
.d3d-table td strong { display: block; color: var(--d3d-text); font-size: 12px; }
.d3d-table td small { display: block; margin-top: 2px; color: #8A94A6; font-size: 10px; }
.d3d-empty { padding: 36px !important; color: var(--d3d-text-soft) !important; text-align: center !important; }
.d3d-row-actions { display: flex; justify-content: flex-end; gap: 6px; }
.d3d-row-actions button {
  min-height: 34px;
  border: 1px solid var(--d3d-border);
  border-radius: 8px;
  background: #fff;
  color: #4A5568;
  padding: 7px 10px;
  font-size: 10px;
  font-weight: 700;
}
.d3d-row-actions button:hover { border-color: var(--d3d-primary); color: var(--d3d-primary-strong); background: var(--d3d-primary-soft); }

.d3d-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 9px;
  font-weight: 700;
  white-space: nowrap;
}
.d3d-badge.active { background: var(--d3d-success-bg); color: var(--d3d-success); }
.d3d-badge.inactive { background: #F2F4F7; color: #667085; }
.d3d-badge.low { margin-left: 5px; background: var(--d3d-warning-bg); color: var(--d3d-warning); }

.d3d-modal { position: fixed; inset: 0; z-index: 999999; display: grid; place-items: center; padding: 24px; }
.d3d-modal-backdrop { position: absolute; inset: 0; background: rgba(24, 32, 47, .42); backdrop-filter: blur(2px); }
.d3d-modal-card {
  position: relative;
  z-index: 1;
  width: min(840px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  border: 1px solid var(--d3d-border);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 26px 80px rgba(31, 41, 55, .18);
}
.d3d-modal-card > header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 22px; border-bottom: 1px solid var(--d3d-border); }
.d3d-modal-card h2 { margin: 0; font-size: 20px; }
.d3d-icon-btn {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--d3d-border);
  border-radius: 10px;
  background: #fff;
  color: #667085;
  padding: 0;
  font-size: 20px;
}
.d3d-icon-btn:hover { border-color: var(--d3d-primary); color: var(--d3d-primary); background: var(--d3d-primary-soft); }
.d3d-form-grid { grid-template-columns: 1fr 1fr; padding: 22px; }
.d3d-form-grid .span-2 { grid-column: 1 / -1; }
.d3d-form-grid footer { display: flex; justify-content: flex-end; gap: 10px; padding-top: 4px; }

.d3d-toast {
  position: fixed;
  z-index: 1000000;
  right: 22px;
  bottom: 22px;
  max-width: min(420px, calc(100vw - 44px));
  border: 1px solid #C9D4F7;
  border-radius: 12px;
  background: #fff;
  color: var(--d3d-text);
  padding: 12px 15px;
  box-shadow: var(--d3d-shadow);
  font-size: 11px;
  font-weight: 700;
}

@media (max-width: 980px) {
  .d3d-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .d3d-form-grid { grid-template-columns: 1fr; }
  .d3d-form-grid .span-2 { grid-column: 1; }
  .d3d-modal { padding: 10px; }
  .d3d-modal-card { max-height: calc(100vh - 20px); border-radius: 16px; }
}
@media (max-width: 430px) {
  .d3d-card-grid { grid-template-columns: 1fr; }
  .d3d-toolbar { align-items: stretch; flex-direction: column; }
  .d3d-search { width: 100%; }
  .d3d-form-grid footer { flex-direction: column-reverse; }
  .d3d-form-grid footer .d3d-btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}