:root {
  --bg: #f0f2f5;
  --card: #ffffff;
  --soft: #f5f7fa;
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #eff6ff;
  --green: #16a34a;
  --green-soft: #f0fdf4;
  --orange: #d97706;
  --orange-soft: #fffbeb;
  --red: #dc2626;
  --red-soft: #fef2f2;
  --text: #111827;
  --text-body: #374151;
  --muted: #6b7280;
  --border: #e5e7eb;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
}

* { box-sizing: border-box; }

html { background: var(--bg); }

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--text-body);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

.auth-gate {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: max(24px, env(safe-area-inset-top)) 20px max(24px, env(safe-area-inset-bottom));
  background: linear-gradient(145deg, #eff6ff, #f8fafc 55%, #eef2ff);
}

.auth-gate[hidden] { display: none; }

.auth-card {
  width: min(100%, 420px);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(15, 23, 42, .12);
}

.auth-logo { width: min(190px, 70%); height: auto; margin-bottom: 24px; }
.auth-card h1 { margin: 4px 0 8px; }
.auth-card form { display: grid; gap: 16px; margin: 24px 0 16px; }
.auth-card input { width: 100%; min-height: 48px; }
.auth-status { min-height: 24px; color: var(--danger); font-weight: 700; }

button,
select,
input { font: inherit; }

button,
select,
input,
.machine-card { -webkit-tap-highlight-color: transparent; }

button:focus-visible,
select:focus-visible,
input:focus-visible,
.machine-card:focus-visible {
  outline: 3px solid var(--blue-dark);
  outline-offset: 2px;
}

[hidden] { display: none !important; }

.app-shell {
  width: min(100%, 860px);
  min-height: 100vh;
  margin: 0 auto;
  background: var(--bg);
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto 44px;
  align-items: center;
  gap: 12px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 18px 10px;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px);
}

.ke-logo {
  width: 142px;
  max-width: 100%;
  height: auto;
  display: block;
}

.header-meta {
  display: grid;
  justify-items: end;
  color: var(--muted);
  font-size: 11px;
}

.header-meta strong {
  color: var(--text-body);
  font-size: 12px;
  font-weight: 600;
}

.app-state {
  display: grid;
  gap: 4px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--blue-soft);
  color: #1e40af;
  font-size: 12px;
}
.app-state .secondary-button { justify-self: start; margin-top: 5px; }

.profile-button {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.app-main {
  padding: 22px 18px calc(94px + var(--safe-bottom));
}

.page-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(150px, 190px);
  align-items: end;
  gap: 18px;
  margin-bottom: 20px;
}

.page-heading.compact { grid-template-columns: 1fr; }

.eyebrow {
  margin: 0 0 4px;
  color: var(--blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
p { margin-top: 0; }

h1 {
  margin-bottom: 5px;
  color: var(--text);
  font-size: clamp(25px, 5vw, 34px);
  line-height: 1.15;
}

h2 {
  margin-bottom: 4px;
  color: var(--text);
  font-size: 17px;
}

.page-heading p,
.section-heading p,
.card-heading p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.period-field {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.period-field select {
  min-height: 44px;
  width: 100%;
  padding: 0 34px 0 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-transform: none;
  box-shadow: var(--shadow);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 26px;
}

.summary-card {
  min-width: 0;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: 10px;
  box-shadow: var(--shadow);
}

.summary-card span,
.metric-card span {
  display: block;
  overflow: hidden;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.summary-card strong {
  display: block;
  margin: 4px 0 1px;
  color: var(--text);
  font-size: 26px;
  line-height: 1.1;
}

.summary-card small,
.metric-card small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.summary-warning { border-top-color: var(--orange); }
.summary-warning strong { color: var(--orange); }
.summary-danger { border-top-color: var(--red); }
.summary-danger strong { color: var(--red); }
.summary-neutral { border-top-color: #9ca3af; }

.section-heading,
.detail-heading,
.card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.section-heading { margin-bottom: 12px; }
.section-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; }

.demo-badge,
.measure-tag,
.estimate-tag {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue-dark);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.estimate-tag {
  background: var(--orange-soft);
  color: #92400e;
}

.machine-list,
.notice-list {
  display: grid;
  gap: 12px;
}

.machine-list { gap: 22px; }

.machine-group {
  min-width: 0;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.54);
}

.group-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.group-heading h2 { margin-bottom: 2px; font-size: 20px; }
.group-heading p:last-child { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.group-count {
  min-width: 34px;
  min-height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.group-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.group-summary > div,
.report-grid > div {
  min-width: 0;
  padding: 10px 11px;
  border-radius: 8px;
  background: var(--blue-soft);
}

.group-summary span,
.group-summary strong,
.group-summary small,
.report-grid span,
.report-grid strong { display: block; }
.group-summary span,
.report-grid span { color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.group-summary strong,
.report-grid strong { overflow: hidden; margin-top: 3px; color: var(--text); font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.group-summary small { margin-top: 2px; color: var(--muted); font-size: 9px; }
.machine-group-grid { display: grid; gap: 10px; }

.machine-card {
  width: 100%;
  display: block;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: inherit;
  text-align: left;
  box-shadow: var(--shadow);
}

.machine-card:active { transform: translateY(1px); }

.machine-card.warning { border-left: 4px solid var(--orange); }
.machine-card.stale { border-left: 4px solid var(--red); }
.machine-card.empty { border-left: 4px solid #9ca3af; }
.machine-card.current { border-left: 4px solid var(--green); }

.machine-card-main { padding: 15px 16px 12px; }

.machine-title-row,
.machine-footer,
.status-line,
.quality-values,
.activity-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.machine-title-row h3 {
  margin: 0;
  color: var(--text);
  font-size: 18px;
}

.status-pill,
.status-line {
  display: inline-flex;
  justify-content: flex-start;
  width: fit-content;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.status-dot {
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  display: inline-block;
  border-radius: 50%;
  background: #9ca3af;
  box-shadow: 0 0 0 3px rgba(156, 163, 175, 0.14);
}

.status-dot.current { background: var(--green); box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.14); }
.status-dot.warning { background: var(--orange); box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.14); }
.status-dot.stale { background: var(--red); box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.14); }

.machine-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 14px 0 12px;
}

.machine-metric span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.machine-metric strong {
  display: block;
  overflow: hidden;
  margin-top: 3px;
  color: var(--text);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.machine-footer {
  padding-top: 11px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

.machine-footer strong { color: var(--text-body); font-weight: 600; }
.details-link { color: var(--blue); font-weight: 700; }

.machine-hint {
  padding: 10px 16px;
  background: var(--orange-soft);
  color: #92400e;
  font-size: 12px;
  font-weight: 600;
}

.machine-card.stale .machine-hint { background: var(--red-soft); color: #991b1b; }
.machine-card.empty .machine-hint { background: var(--soft); color: var(--muted); }

.notice-card,
.info-card,
.content-card,
.metric-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.notice-card { padding: 15px 16px; border-left: 4px solid var(--orange); }
.notice-card.danger { border-left-color: var(--red); }
.notice-card h2 { font-size: 16px; }
.notice-card p { margin-bottom: 8px; color: var(--text-body); }
.notice-card small { color: var(--muted); }

.info-card { padding: 18px; margin-bottom: 14px; }
.info-card p:last-child { margin-bottom: 0; }

.settings-entry-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.settings-entry-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; }

.primary-button,
.secondary-button {
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-weight: 700;
}

.primary-button { background: var(--blue); color: #fff; }
.primary-button:active { background: var(--blue-dark); }
.secondary-button { border-color: var(--border); background: var(--card); color: var(--text-body); }

.settings-note {
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: var(--blue-soft);
  color: #1e40af;
  font-size: 12px;
}

.settings-form { display: grid; gap: 14px; }

.settings-panel {
  padding: 17px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.settings-panel .card-heading { margin-bottom: 15px; }

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 13px;
}

.form-field {
  min-width: 0;
  display: grid;
  gap: 5px;
}

.form-field > span,
.machine-selector > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-field input,
.form-field select {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
}

.machine-selector { margin-bottom: 15px; }
.machine-selector select { font-size: 16px; font-weight: 700; }

.checkbox-field {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 10px;
  padding: 12px;
  border-radius: 9px;
  background: var(--soft);
}

.checkbox-field input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--blue); }
.checkbox-field + .checkbox-field { margin-top: 9px; }
.checkbox-field strong,
.checkbox-field small { display: block; }
.checkbox-field strong { color: var(--text); }
.checkbox-field small { margin-top: 2px; color: var(--muted); font-size: 11px; }

.input-unit { position: relative; }
.input-unit input { padding-right: 72px; }
.input-unit em {
  position: absolute;
  top: 50%;
  right: 11px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  transform: translateY(-50%);
}

.rule-field.disabled { opacity: 0.52; }
.rule-field.disabled input { background: var(--soft); }

.schedule-preview {
  margin-top: 15px;
  padding: 13px 14px;
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  background: var(--blue-soft);
}

.schedule-preview strong,
.schedule-preview span { display: block; }
.schedule-preview strong { color: var(--text); font-size: 14px; }
.schedule-preview span { margin-top: 3px; color: var(--muted); font-size: 12px; }

.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.save-status {
  min-height: 20px;
  margin: -5px 0 0;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.save-status.error { color: var(--red); }

.rule-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.rule-summary > div {
  padding: 10px 11px;
  border-radius: 8px;
  background: var(--soft);
}

.rule-summary span,
.rule-summary strong { display: block; }
.rule-summary span { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.rule-summary strong { margin-top: 2px; color: var(--text-body); font-size: 13px; }
.rule-summary .wide { grid-column: 1 / -1; }
.rules-inactive { margin: 0; color: var(--muted); font-size: 13px; }

.legend-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 15px; }
.legend-list li { display: grid; grid-template-columns: 12px 1fr; gap: 12px; align-items: start; }
.legend-list .status-dot { margin-top: 5px; }
.legend-list strong, .legend-list small { display: block; }
.legend-list small { margin-top: 2px; color: var(--muted); }

.back-button {
  min-height: 44px;
  margin: -8px 0 8px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blue);
  font-weight: 700;
}

.detail-heading { align-items: center; margin-bottom: 18px; }
.detail-heading h1 { margin-bottom: 7px; }
.detail-actions { display: grid; justify-items: end; gap: 9px; }

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.metric-card { padding: 14px; }
.metric-card strong { display: block; margin: 4px 0 2px; color: var(--text); font-size: 23px; }
.metric-card.good strong { color: var(--green); }
.metric-card.bad strong { color: var(--red); }

.detail-notice {
  margin-bottom: 14px;
  padding: 13px 14px;
  border: 1px solid #fde68a;
  border-radius: 10px;
  background: var(--orange-soft);
  color: #92400e;
  font-size: 13px;
  font-weight: 600;
}

.detail-notice.danger { border-color: #fecaca; background: var(--red-soft); color: #991b1b; }
.detail-notice.ok { border-color: #bbf7d0; background: var(--green-soft); color: #166534; }

.content-card { margin-bottom: 14px; padding: 16px; }
.card-heading { margin-bottom: 14px; }

.trend-chart {
  min-height: 188px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: end;
  gap: 5px;
  padding: 12px 3px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to top, rgba(229, 231, 235, 0.5) 1px, transparent 1px);
  background-size: 100% 25%;
}

.trend-column {
  position: relative;
  min-width: 0;
  height: 100%;
  display: flex;
  align-items: flex-end;
}

.trend-column i {
  width: 100%;
  min-height: 3px;
  display: block;
  border-radius: 4px 4px 1px 1px;
  background: linear-gradient(180deg, #60a5fa, var(--blue));
}

.trend-column span {
  position: absolute;
  top: calc(100% + 7px);
  left: 50%;
  color: var(--muted);
  font-size: 9px;
  transform: translateX(-50%);
}

.activity-bar {
  height: 34px;
  display: flex;
  overflow: hidden;
  border-radius: 7px;
  background: var(--soft);
}

.activity-segment.active { background: #4ade80; }
.activity-segment.gap { background: #f87171; }
.activity-empty { width: 100%; padding: 8px 10px; color: var(--muted); font-size: 12px; }

.activity-legend {
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
}

.activity-legend span { display: inline-flex; align-items: center; gap: 5px; }
.activity-legend i { width: 12px; height: 8px; display: inline-block; border-radius: 2px; }
.activity-legend i.active { background: #4ade80; }
.activity-legend i.gap { background: #f87171; }

.explain-note {
  margin: 12px 0 0;
  padding: 10px 11px;
  border: 1px solid #fde68a;
  border-radius: 8px;
  background: var(--orange-soft);
  color: #92400e;
  font-size: 12px;
}

.quality-row {
  height: 24px;
  display: flex;
  overflow: hidden;
  border-radius: 6px;
  background: var(--soft);
}

.quality-good { background: var(--green); }
.quality-bad { background: var(--red); min-width: 3px; }

.quality-values { margin-top: 10px; color: var(--muted); font-size: 12px; }
.quality-values strong { color: var(--text); }
.comparison { margin: 12px 0 0; color: var(--text-body); font-size: 13px; }

.comparison-view .content-card { overflow: hidden; }
.comparison-table { min-width: 610px; overflow: hidden; border: 1px solid var(--border); border-radius: 9px; }
#shift-comparison,
#week-comparison { overflow-x: auto; padding-bottom: 3px; }
.comparison-row {
  display: grid;
  grid-template-columns: minmax(130px, 1.25fr) repeat(3, minmax(105px, 1fr));
  align-items: center;
  min-height: 46px;
  border-top: 1px solid var(--border);
}
.comparison-row:first-child { border-top: 0; }
.comparison-row > * { min-width: 0; margin: 0; padding: 9px 10px; }
.comparison-row span { color: var(--muted); font-size: 12px; font-weight: 600; }
.comparison-row strong { color: var(--text); font-size: 13px; font-variant-numeric: tabular-nums; }
.comparison-row em { color: var(--blue-dark); font-size: 12px; font-style: normal; font-weight: 700; }
.comparison-header { background: var(--soft); }
.comparison-header span,
.comparison-header strong { color: var(--muted); font-size: 10px; letter-spacing: 0.03em; text-transform: uppercase; }
.report-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 9px; }
.analysis-list { margin: 14px 0 0; padding-left: 20px; color: var(--text-body); }
.analysis-list li + li { margin-top: 5px; }

.shiftweek-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
  padding: 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.shiftweek-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin-bottom: 14px;
}

.shiftweek-summary > div,
.report-grid > div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--soft);
}

.shiftweek-summary span,
.shiftweek-summary small { display: block; color: var(--muted); font-size: 10px; }
.shiftweek-summary strong { display: block; margin: 3px 0; color: var(--text); font-size: 18px; font-variant-numeric: tabular-nums; }
.shiftweek-card { overflow: hidden; }
.shiftweek-card + .shiftweek-card { margin-top: 14px; }
.shiftweek-table-scroll { overflow-x: auto; padding-bottom: 4px; border: 1px solid var(--border); border-radius: 9px; }
.shiftweek-table-scroll:focus-visible { outline: 3px solid var(--blue-dark); outline-offset: 2px; }
.shiftweek-table { min-width: 660px; width: 100%; border-collapse: separate; border-spacing: 0; color: var(--text-body); font-size: 12px; font-variant-numeric: tabular-nums; }
.shiftweek-table th,
.shiftweek-table td { min-width: 92px; padding: 9px 10px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); text-align: right; white-space: nowrap; }
.shiftweek-table tr > :last-child { border-right: 0; }
.shiftweek-table tbody tr:last-child > * { border-bottom: 0; }
.shiftweek-table thead th { position: sticky; top: 0; z-index: 3; background: #dbeafe; color: var(--blue-dark); font-size: 10px; letter-spacing: 0.03em; text-transform: uppercase; }
.shiftweek-table thead th:first-child,
.shiftweek-table .matrix-date { position: sticky; left: 0; z-index: 4; min-width: 74px; text-align: left; }
.shiftweek-table thead th:nth-child(2),
.shiftweek-table .matrix-shift { position: sticky; left: 74px; z-index: 4; min-width: 68px; text-align: left; }
.shiftweek-table .matrix-date,
.shiftweek-table .matrix-shift { background: #fff; color: var(--text); font-weight: 700; }
.shiftweek-table thead th:first-child,
.shiftweek-table thead th:nth-child(2) { z-index: 6; background: #bfdbfe; }
.shiftweek-table .matrix-value span { display: inline-block; min-width: 13px; margin-right: 3px; font-weight: 900; }
.shiftweek-table .matrix-value.strong { background: #dcfce7; color: #166534; }
.shiftweek-table .matrix-value.neutral { background: #fef9c3; color: #854d0e; }
.shiftweek-table .matrix-value.watch { background: #fee2e2; color: #991b1b; }
.shiftweek-table .matrix-value.missing { background: #f8fafc; color: var(--muted); }
.shiftweek-table .matrix-total { background: var(--blue-soft); color: var(--blue-dark); font-weight: 800; }
.shiftweek-table tfoot th,
.shiftweek-table tfoot td { border-top: 2px solid #93c5fd; border-bottom: 0; background: #eff6ff; color: var(--text); font-weight: 800; }
.shiftweek-table tfoot th:first-child { position: sticky; left: 0; z-index: 5; text-align: left; }
.shiftweek-legend p { display: flex; flex-wrap: wrap; gap: 7px; }
.shiftweek-legend small { color: var(--muted); }
.matrix-key { display: inline-flex; align-items: center; min-height: 28px; padding: 4px 8px; border-radius: 6px; font-size: 11px; font-weight: 700; }
.matrix-key.strong { background: #dcfce7; color: #166534; }
.matrix-key.neutral { background: #fef9c3; color: #854d0e; }
.matrix-key.watch { background: #fee2e2; color: #991b1b; }
.matrix-key.missing { background: #f1f5f9; color: var(--muted); }

.bottom-nav {
  position: fixed;
  z-index: 30;
  right: 0;
  bottom: 0;
  left: 0;
  max-width: 860px;
  min-height: calc(66px + var(--safe-bottom));
  margin: 0 auto;
  padding: 7px 8px calc(7px + var(--safe-bottom));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: rgba(255, 255, 255, 0.98);
  border-top: 1px solid var(--border);
  box-shadow: 0 -3px 14px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(12px);
}

.nav-button {
  min-height: 50px;
  display: grid;
  place-items: center;
  gap: 1px;
  padding: 5px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
}

.nav-button span { font-size: 19px; line-height: 1; }
.nav-button.active { background: var(--blue-soft); color: var(--blue-dark); }

/* Fehlende Qualitätswerte: ausgeschrieben statt Null, auch bei 320 px nicht abgeschnitten. */
strong.value-unavailable,
.metric-card strong.value-unavailable {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  white-space: normal;
}

@media (max-width: 700px) {
  .app-header { grid-template-columns: minmax(110px, 1fr) 44px; }
  .header-meta { display: none; }
  .page-heading { grid-template-columns: 1fr; align-items: start; }
  .period-field { grid-template-columns: 1fr; }
  .summary-grid, .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .group-summary, .report-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .shiftweek-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .machine-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail-heading { align-items: flex-start; }
  .detail-actions { justify-items: end; }
  .detail-actions .primary-button { max-width: 190px; }
  .settings-entry-card { align-items: stretch; flex-direction: column; }
  .settings-entry-card .primary-button { width: 100%; }
  .settings-grid { grid-template-columns: 1fr; }
  .form-field input, .form-field select, .period-field select { font-size: 16px; }
}

@media (max-width: 390px) {
  .app-header { padding-right: 13px; padding-left: 13px; }
  .ke-logo { width: 128px; }
  .app-main { padding-right: 13px; padding-left: 13px; }
  .summary-grid, .metric-grid { gap: 9px; }
  .summary-card, .metric-card { padding: 12px; }
  .machine-card-main { padding-right: 13px; padding-left: 13px; }
  .machine-group { padding: 12px; }
  .machine-title-row { align-items: flex-start; }
  .status-pill { text-align: right; }
  .settings-panel { padding: 14px; }
  .settings-actions { display: grid; }
  .settings-actions .primary-button { order: -1; }
  .rule-summary { grid-template-columns: 1fr; }
  .rule-summary .wide { grid-column: auto; }
  .detail-heading { display: grid; }
  .detail-actions { justify-items: start; width: 100%; }
  .detail-actions .primary-button { width: 100%; max-width: none; }
  .section-heading { display: grid; }
  .section-actions { justify-content: stretch; }
  .section-actions .secondary-button { width: 100%; }
  .shiftweek-controls { grid-template-columns: 1fr; }
}

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}