* {
  box-sizing: border-box;
}

:root {
  --parent-bg: #f6f2e6;
  --parent-card: #fffdf7;
  --parent-green: #247a4a;
  --parent-green-dark: #1d633d;
  --parent-green-soft: #eaf4e8;
  --parent-amber: #f4e5bd;
  --parent-text: #24332b;
  --parent-muted: #65736a;
  --parent-border: #d9e3d6;
  --parent-shadow: 0 8px 24px rgba(44, 71, 50, 0.06);
}

body.parent-body {
  margin: 0;
  color: var(--parent-text);
  background: var(--parent-bg);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

.parent-page {
  width: min(100% - 2rem, 1120px);
  margin: 0 auto;
  padding: 2.4rem 0 4rem;
}

.parent-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.7rem;
  padding: 0.65rem 0.75rem 0.65rem 1rem;
  background: rgba(255, 253, 247, 0.76);
  border: 1px solid var(--parent-border);
  border-radius: 14px;
  box-shadow: var(--parent-shadow);
}

.parent-nav-brand {
  color: var(--parent-green-dark);
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.parent-nav-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.parent-nav-links a,
.parent-nav-links button {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.35rem 0.7rem;
  color: var(--parent-muted);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
}

.parent-nav-links a:hover,
.parent-nav-links button:hover {
  color: var(--parent-green-dark);
  background: var(--parent-green-soft);
  border-color: #c8dfc7;
}

.parent-nav-links a.is-active {
  color: var(--parent-green-dark);
  background: var(--parent-green-soft);
  border-color: #c8dfc7;
}

.parent-nav-links form { margin: 0; }

.parent-local-nav {
  display: flex;
  justify-content: flex-end;
  margin: -0.8rem 0 1.15rem;
}

.login-page {
  max-width: 430px;
  padding-top: 4rem;
}

.login-page > form {
  width: 100%;
  padding: 1.45rem;
  background: var(--parent-card);
  border: 1px solid var(--parent-border);
  border-radius: 16px;
  box-shadow: var(--parent-shadow);
}

.login-page > form .btn { width: 100%; }

.parent-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
}

.parent-header h1 {
  margin: 0;
  color: var(--parent-text);
  font-size: clamp(1.7rem, 3vw, 2.25rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.parent-header p {
  max-width: 620px;
  margin: 0.5rem 0 0;
  color: var(--parent-muted);
}

.parent-header-actions,
.button-row,
.inline-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.panel {
  margin-bottom: 1.15rem;
  padding: 1.45rem;
  background: var(--parent-card);
  border: 1px solid var(--parent-border);
  border-radius: 16px;
  box-shadow: var(--parent-shadow);
}

.panel h2 {
  margin: 0 0 0.35rem;
  color: var(--parent-text);
  font-size: 1.18rem;
  letter-spacing: -0.01em;
}

.panel > p:not(.hint):not(.message) {
  margin-top: 0.45rem;
}

.panel-intro {
  margin: 0 0 1.15rem;
  color: var(--parent-muted);
}

.settings-form {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
}

form label {
  display: flex;
  flex: 1 1 180px;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
  margin-bottom: 0;
  font-size: 0.92rem;
  font-weight: 650;
}

input,
select {
  min-height: 2.7rem;
  width: 100%;
  padding: 0.62rem 0.75rem;
  color: var(--parent-text);
  font: inherit;
  background: #fffefa;
  border: 1px solid #cbdac9;
  border-radius: 9px;
}

input:focus,
select:focus {
  outline: 3px solid rgba(36, 122, 74, 0.15);
  border-color: var(--parent-green);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.56rem 0.95rem;
  color: #fffdf7;
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  background: var(--parent-green);
  border: 1px solid var(--parent-green);
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn:hover {
  background: var(--parent-green-dark);
  border-color: var(--parent-green-dark);
}

.btn:active { transform: translateY(1px); }

.btn.secondary {
  color: var(--parent-green-dark);
  background: transparent;
  border-color: #b8d0b8;
}

.btn.secondary:hover {
  background: var(--parent-green-soft);
  border-color: var(--parent-green);
}

.btn.warning {
  color: #7a5a1c;
  background: transparent;
  border-color: #d9bd78;
}

.btn.warning:hover { background: #fff8e5; }

.flash,
.message {
  margin: 0 0 1.15rem;
  padding: 0.8rem 1rem;
  color: #315d3c;
  background: var(--parent-green-soft);
  border: 1px solid #c8dfc7;
  border-radius: 10px;
}

.form-error {
  margin: 0 0 1rem;
  padding: 0.75rem 0.95rem;
  color: #875446;
  background: #fff1e9;
  border: 1px solid #edcfc1;
  border-radius: 10px;
}

.hint,
.muted {
  color: var(--parent-muted);
  font-size: 0.9rem;
}

.hint { margin: 0.55rem 0 1rem; }

.history {
  width: 100%;
  overflow: hidden;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.92rem;
}

.history th,
.history td {
  padding: 0.78rem 0.7rem;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid #e4ece1;
}

.history th {
  color: var(--parent-muted);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.history tbody tr:last-child td { border-bottom: 0; }
.history tbody tr:hover { background: #fcfdf8; }
.history a:not(.btn) { color: var(--parent-green-dark); font-weight: 700; }

.table-wrap { overflow-x: auto; }

.status-badge,
.score-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.65rem;
  padding: 0.18rem 0.62rem;
  color: #315d3c;
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
  background: var(--parent-green-soft);
  border: 1px solid #c8dfc7;
  border-radius: 999px;
}

.status-inactive,
.status-neutral {
  color: #68736c;
  background: #f0f2ed;
  border-color: #d9dfd6;
}

.status-warning,
.score-low {
  color: #7a5a1c;
  background: #fff5d9;
  border-color: #ead8a7;
}

.score-good { color: #286b43; }

.distribution-field {
  flex: 1 1 100%;
  min-width: 0;
}

.distribution-values {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
  color: var(--parent-muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.distribution-values > span:last-child { text-align: right; }
.distribution-values strong { color: var(--parent-green-dark); font-size: 1.15rem; }

input[type="range"] {
  min-height: 1.35rem;
  padding: 0;
  accent-color: var(--parent-green);
  background: transparent;
  border: 0;
}

input[type="range"].distribution-slider {
  --range-progress: 50%;
  display: block;
  width: 100%;
  height: 1.35rem;
  padding: 0;
  appearance: none;
  accent-color: var(--parent-green);
  cursor: pointer;
}

input[type="range"].distribution-slider::-webkit-slider-runnable-track {
  height: 0.5rem;
  border-radius: 999px;
  background: linear-gradient(to right, var(--parent-green) 0 var(--range-progress), #dce8d9 var(--range-progress) 100%);
}

input[type="range"].distribution-slider::-moz-range-track {
  height: 0.5rem;
  border-radius: 999px;
  background: #dce8d9;
}

input[type="range"].distribution-slider::-moz-range-progress {
  height: 0.5rem;
  border-radius: 999px;
  background: var(--parent-green);
}

input[type="range"].distribution-slider::-webkit-slider-thumb {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: -0.35rem;
  appearance: none;
  background: #fffdf7;
  border: 3px solid var(--parent-green);
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(36, 122, 74, 0.22);
}

input[type="range"].distribution-slider::-moz-range-thumb {
  width: 1rem;
  height: 1rem;
  background: #fffdf7;
  border: 3px solid var(--parent-green);
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(36, 122, 74, 0.22);
}

.settings-actions { flex: 0 0 auto; }

.notice {
  margin: 1rem 0 1.25rem;
  padding: 1rem;
  background: var(--parent-green-soft);
  border: 1px solid #c8dfc7;
  border-radius: 12px;
}

.notice-title { margin: 0 0 0.3rem; font-weight: 750; }
.notice .hint { margin-bottom: 0.8rem; }

.copy-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.copy-row input { min-width: 0; flex: 1; }
.copy-status { display: block; min-height: 1.3rem; margin-top: 0.35rem; color: #286b43; font-size: 0.88rem; }

.activation-qr { margin-top: 1rem; }
.activation-qr-image {
  display: inline-flex;
  width: clamp(180px, 42vw, 220px);
  padding: 0.45rem;
  background: #fff;
  border: 1px solid var(--parent-border);
  border-radius: 10px;
}
.activation-qr-image svg { display: block; width: 100%; height: auto; }
.activation-qr .hint { margin: 0.5rem 0 0; }

.simple-address {
  margin: 1.35rem 0;
  padding: 1rem;
  background: #fcfbf3;
  border: 1px solid #e2e6d4;
  border-radius: 12px;
}

.simple-address p { margin: 0; }
.simple-address .hint { margin: 0.35rem 0 0.75rem; }

.device-actions { margin-top: 1rem; }
.danger-zone { margin-top: 1rem; }

.test-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.test-summary div {
  padding: 0.8rem;
  background: #fcfbf3;
  border: 1px solid #e2e6d4;
  border-radius: 10px;
}

.test-summary dt { color: var(--parent-muted); font-size: 0.78rem; font-weight: 700; }
.test-summary dd { margin: 0.2rem 0 0; font-weight: 650; }
.test-settings { display: flex; flex-direction: column; gap: 0.2rem; }
.deleted-test { opacity: 0.7; }

@media (max-width: 760px) {
  .parent-page { width: min(100% - 1.25rem, 1120px); padding-top: 1.3rem; }
  .parent-nav { align-items: flex-start; flex-direction: column; }
  .parent-nav-links { justify-content: flex-start; width: 100%; }
  .parent-nav-links a, .parent-nav-links button { flex: 1 1 auto; justify-content: center; }
  .parent-header { flex-direction: column; margin-bottom: 1.3rem; }
  .parent-header-actions { width: 100%; }
  .parent-header-actions .btn { flex: 1 1 auto; }
  .panel { padding: 1.1rem; border-radius: 14px; }
  .settings-form > label, .settings-actions, .settings-form > .btn { flex-basis: 100%; }
  .settings-form > .btn { width: 100%; }
  .copy-row { align-items: stretch; flex-wrap: wrap; }
  .copy-row input, .copy-row .btn { flex: 1 1 100%; }
  .history thead { display: none; }
  .history, .history tbody, .history tr, .history td { display: block; width: 100%; }
  .history tr { padding: 0.65rem 0; border-bottom: 1px solid #e4ece1; }
  .history tr:last-child { border-bottom: 0; }
  .history td { display: grid; grid-template-columns: minmax(6.5rem, 34%) minmax(0, 1fr); gap: 0.65rem; padding: 0.32rem 0; border: 0; }
  .history td::before { color: var(--parent-muted); content: attr(data-label); font-size: 0.75rem; font-weight: 750; letter-spacing: 0.03em; text-transform: uppercase; }
  .history td.actions-cell { display: flex; flex-wrap: wrap; gap: 0.45rem; padding-top: 0.65rem; }
  .history td.actions-cell::before { width: 100%; }
  .parent-local-nav { justify-content: flex-start; margin-top: -0.55rem; }
}

@media (max-width: 430px) {
  .parent-nav-links a, .parent-nav-links button { flex-basis: 45%; }
  .parent-header-actions .btn { flex-basis: 100%; }
  .button-row .btn, .inline-actions .btn { flex: 1 1 100%; }
}