*{margin:0;padding:0;box-sizing:border-box}

:root{
  --ink:#1d1d1f;
  --ink-muted-80:#333333;
  --ink-muted-48:#7a7a7a;
  --canvas:#ffffff;
  --parchment:#f5f5f7;
  --pearl:#fafafc;
  --hairline:#e0e0e0;
  --divider:#f0f0f0;
  --primary:#0066cc;
  --primary-focus:#0071e3;
  --primary-on-dark:#2997ff;
  --surface-dark:#272729;
  --surface-black:#000000;
  --font-display:'SF Pro Display','Noto Sans SC',system-ui,-apple-system,sans-serif;
  --font-body:'SF Pro Text','Noto Sans SC',system-ui,-apple-system,sans-serif;
  --radius-sm:8px;
  --radius-lg:18px;
  --radius-pill:9999px;
  --spacing-xs:8px;
  --spacing-sm:12px;
  --spacing-md:17px;
  --spacing-lg:24px;
  --spacing-xl:32px;
  --spacing-xxl:48px;
  --spacing-section:80px;
}

html{font-size:16px}

body{
  font-family:var(--font-body);
  background:var(--parchment);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  line-height:1.47;
  letter-spacing:-0.374px;
}

/* ===== NAV ===== */
.nav{
  background:var(--surface-black);
  color:#fff;
  height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 var(--spacing-lg);
  position:sticky;
  top:0;
  z-index:100;
}
.nav-brand{
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:-0.224px;
}
.nav-date{
  font-size:12px;
  color:rgba(255,255,255,0.6);
  letter-spacing:-0.12px;
}

/* ===== HERO STATS ===== */
.hero-stats{
  background:var(--canvas);
  padding:var(--spacing-section) 0;
}
.hero-stats-inner{
  max-width:980px;
  margin:0 auto;
  padding:0 var(--spacing-lg);
  text-align:center;
}
.hero-stats h1{
  font-family:var(--font-display);
  font-size:40px;
  font-weight:600;
  line-height:1.1;
  letter-spacing:-0.374px;
  color:var(--ink);
  margin-bottom:8px;
}
.hero-stats .lead{
  font-size:17px;
  font-weight:400;
  color:var(--ink-muted-48);
  letter-spacing:-0.374px;
  margin-bottom:var(--spacing-xxl);
}
.stats-row{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.stat-cell{
  background:var(--canvas);
  padding:var(--spacing-lg);
  text-align:center;
}
.stat-num{
  font-family:var(--font-display);
  font-size:34px;
  font-weight:600;
  line-height:1.1;
  letter-spacing:-0.374px;
  color:var(--ink);
}
.stat-label{
  font-size:12px;
  color:var(--ink-muted-48);
  margin-top:4px;
  letter-spacing:-0.12px;
}

/* ===== SUB NAV (TABS) ===== */
.sub-nav{
  background:var(--parchment);
  border-bottom:1px solid var(--hairline);
  position:sticky;
  top:44px;
  z-index:99;
}
.sub-nav-inner{
  max-width:980px;
  margin:0 auto;
  padding:0 var(--spacing-lg);
  display:flex;
  gap:0;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.sub-nav-inner::-webkit-scrollbar{display:none}
.tab{
  padding:14px 20px;
  font-size:12px;
  font-weight:400;
  color:var(--ink-muted-48);
  letter-spacing:-0.12px;
  cursor:pointer;
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color 0.15s;
  user-select:none;
  flex-shrink:0;
}
.tab:hover{color:var(--ink)}
.tab.active{
  color:var(--primary);
  border-bottom-color:var(--primary);
  font-weight:600;
}

/* ===== CONTENT ===== */
.content{
  max-width:980px;
  margin:0 auto;
  padding:var(--spacing-xxl) var(--spacing-lg);
}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* ===== CARDS (utility) ===== */
.card{
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  padding:var(--spacing-lg);
  margin-bottom:var(--spacing-sm);
}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-family:var(--font-body);
  font-size:14px;
  font-weight:400;
  line-height:1.29;
  letter-spacing:-0.224px;
  padding:8px 16px;
  border:none;
  border-radius:var(--radius-pill);
  cursor:pointer;
  transition:transform 0.1s,opacity 0.15s;
  white-space:nowrap;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:scale(0.96)}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{opacity:0.85}
.btn-outline{
  background:var(--canvas);
  color:var(--primary);
  border:1px solid var(--primary);
}
.btn-outline:hover{background:rgba(0,102,204,0.04)}
.btn-sm{
  font-size:12px;
  padding:5px 12px;
}
.btn-danger{
  background:var(--ink);
  color:#fff;
}
.btn-warning{
  background:var(--primary-on-dark);
  color:#fff;
}

/* ===== TOOLBAR ===== */
.toolbar{
  display:flex;
  gap:8px;
  margin-bottom:var(--spacing-lg);
  flex-wrap:wrap;
  align-items:center;
}
.toolbar .btn-primary{
  order:-1;
}

/* ===== TABLE ===== */
.table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  min-width:520px;
}
th{
  background:var(--parchment);
  padding:10px 16px;
  text-align:left;
  font-size:12px;
  font-weight:600;
  color:var(--ink-muted-48);
  letter-spacing:-0.224px;
  border-bottom:1px solid var(--hairline);
  white-space:nowrap;
}
td{
  padding:12px 16px;
  border-bottom:1px solid var(--divider);
  color:var(--ink);
}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--pearl)}
.table-actions{
  margin-top:8px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

/* ===== BADGES ===== */
.badge{
  display:inline-block;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  font-size:11px;
  font-weight:600;
  letter-spacing:-0.08px;
}
.badge-sunday{background:rgba(0,102,204,0.08);color:var(--primary)}
.badge-holiday{background:rgba(220,38,38,0.08);color:#dc2626}
.badge-xinjiang{background:rgba(217,119,6,0.08);color:#d97706}

/* ===== CALENDAR ===== */
.calendar-nav{
  display:flex;
  align-items:center;
  gap:var(--spacing-lg);
  margin-bottom:var(--spacing-lg);
}
.calendar-nav h3{
  font-family:var(--font-display);
  font-size:21px;
  font-weight:600;
  letter-spacing:0.231px;
  flex:1;
  text-align:center;
}
.calendar-summary{
  margin-bottom:var(--spacing-md);
}
.panel-intro{
  margin-bottom:var(--spacing-md);
  padding:12px 14px;
  border:1px solid var(--hairline);
  border-radius:var(--radius-md);
  background:rgba(0,102,204,0.03);
  color:var(--ink-muted-48);
  font-size:13px;
  line-height:1.7;
}
.calendar-summary-card{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  padding:12px 16px;
  color:var(--ink-muted-48);
  font-size:13px;
}
.calendar-summary-card b{
  color:var(--ink);
  font-size:15px;
}
.calendar-grid{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  overflow:hidden;
}
.calendar-header{
  background:var(--parchment);
  text-align:center;
  padding:10px 0;
  font-size:12px;
  font-weight:600;
  color:var(--ink-muted-48);
  letter-spacing:-0.12px;
}
.calendar-day{
  background:var(--canvas);
  min-height:72px;
  padding:6px;
  position:relative;
}
.calendar-day.today{background:rgba(0,102,204,0.04)}
.calendar-day .day-num{
  font-family:var(--font-display);
  font-size:14px;
  font-weight:600;
  letter-spacing:-0.224px;
  color:var(--ink);
  margin-bottom:3px;
}
.calendar-day.sunday .day-num{color:var(--primary)}
.calendar-day.holiday .day-num{color:#dc2626}
.calendar-day .holiday-tag{
  position:absolute;
  top:4px;
  right:4px;
  font-size:9px;
  font-weight:600;
  color:#dc2626;
  letter-spacing:-0.08px;
  max-width:50%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.calendar-day .duty-person{
  display:block;
  font-size:11px;
  font-weight:600;
  padding:2px 6px;
  border-radius:var(--radius-pill);
  margin-top:2px;
  letter-spacing:-0.08px;
}
.calendar-day .duty-person.sunday-duty{
  background:rgba(0,102,204,0.08);
  color:var(--primary);
}
.calendar-day .duty-person.holiday-duty{
  background:rgba(220,38,38,0.08);
  color:#dc2626;
}
.calendar-day.has-preview-duty{
  box-shadow:inset 0 0 0 1px rgba(217,119,6,0.24);
}
.calendar-day .duty-status{
  display:inline-block;
  margin-top:4px;
  font-size:9px;
  color:#d97706;
  background:rgba(217,119,6,0.12);
  border-radius:999px;
  padding:1px 6px;
}

.fairness-guide{
  margin-bottom:var(--spacing-lg);
  padding:var(--spacing-lg);
}
.fairness-guide-head h3{
  margin:0;
  font-family:var(--font-display);
  font-size:20px;
  color:var(--ink);
}
.fairness-guide-head p{
  margin:8px 0 0;
  color:var(--ink-muted-48);
  font-size:13px;
  line-height:1.7;
}
.fairness-guide-grid{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:var(--spacing-md);
  margin-top:var(--spacing-lg);
}
.fairness-guide-section{
  padding:16px;
  border:1px solid var(--hairline);
  border-radius:var(--radius-md);
  background:var(--canvas);
}
.fairness-guide-section-wide{
  grid-column:1 / -1;
}
.fairness-guide-title{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
}
.fairness-guide-sub{
  margin-top:4px;
  font-size:12px;
  color:var(--ink-muted-48);
}
.fairness-guide-section ul{
  margin:12px 0 0;
  padding-left:18px;
  color:var(--ink);
}
.fairness-guide-section li{
  line-height:1.8;
  font-size:13px;
}

/* ===== FAIRNESS ===== */
.fairness-summary{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--hairline);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:var(--spacing-lg);
}
.fairness-summary-card{
  background:var(--canvas);
  padding:var(--spacing-lg);
  text-align:center;
}
.fairness-summary-val{
  font-family:var(--font-display);
  font-size:34px;
  font-weight:600;
  line-height:1.1;
  letter-spacing:-0.374px;
  color:var(--ink);
}
.fairness-summary-label{
  font-size:12px;
  color:var(--ink-muted-48);
  margin-top:4px;
  letter-spacing:-0.12px;
}
.fairness-legend{
  display:flex;
  flex-wrap:wrap;
  gap:var(--spacing-sm);
  margin-bottom:var(--spacing-lg);
  padding:var(--spacing-sm) var(--spacing-md);
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
}
.fairness-legend-item{
  display:flex;
  align-items:center;
  gap:4px;
  font-size:11px;
  color:var(--ink-muted-48);
  letter-spacing:-0.08px;
}
.fairness-legend-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  flex-shrink:0;
}
.fairness-chart{
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  padding:var(--spacing-lg);
  margin-bottom:var(--spacing-lg);
}
.fairness-chart-row{
  display:flex;
  align-items:center;
  gap:var(--spacing-sm);
  padding:8px 0;
}
.fairness-chart-row + .fairness-chart-row{
  border-top:1px solid var(--divider);
}
.fairness-chart-name{
  width:64px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:-0.224px;
  flex-shrink:0;
}
.fairness-chart-bar-wrap{
  flex:1;
  height:20px;
  background:var(--parchment);
  border-radius:4px;
  overflow:hidden;
  display:flex;
}
.fairness-chart-bar{
  display:flex;
  height:100%;
  border-radius:4px;
}
.fairness-chart-bar-seg{
  height:100%;
}
.fairness-chart-bar-seg.holiday{background:#dc2626}
.fairness-chart-bar-seg.sunday{background:#2563eb}
.fairness-chart-count{
  width:48px;
  text-align:right;
  font-size:13px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:-0.224px;
  flex-shrink:0;
}
.fairness-chart-avg{
  width:40px;
  text-align:right;
  font-size:13px;
  font-weight:600;
  letter-spacing:-0.224px;
  flex-shrink:0;
}
.fairness-list{
  display:flex;
  flex-direction:column;
  gap:var(--spacing-sm);
}
.fairness-person-card{
  display:flex;
  align-items:flex-start;
  gap:var(--spacing-md);
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  padding:var(--spacing-lg);
  transition:background 0.15s;
}
.fairness-person-card:hover{background:var(--pearl)}
.fairness-person-rank{
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--parchment);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-display);
  font-size:12px;
  font-weight:600;
  color:var(--ink-muted-48);
  flex-shrink:0;
}
.fairness-person-card:nth-child(1) .fairness-person-rank{background:var(--primary);color:#fff}
.fairness-person-card:nth-child(2) .fairness-person-rank{background:#e8e8ed;color:var(--ink)}
.fairness-person-card:nth-child(3) .fairness-person-rank{background:#e8d5b8;color:var(--ink)}
.fairness-person-ring{
  width:72px;
  height:72px;
  position:relative;
  flex-shrink:0;
}
.fairness-person-ring svg{
  width:100%;
  height:100%;
}
.fairness-ring-val{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-display);
  font-size:16px;
  font-weight:600;
  letter-spacing:-0.374px;
}
.fairness-person-info{flex:1;min-width:0}
.fairness-person-name{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:600;
  letter-spacing:-0.374px;
  color:var(--ink);
}
.fairness-person-dept{
  font-size:12px;
  color:var(--ink-muted-48);
  margin-top:2px;
  letter-spacing:-0.12px;
}
.fairness-person-stats{
  display:flex;
  gap:var(--spacing-md);
  margin-top:var(--spacing-sm);
}
.fairness-person-stat{
  font-size:12px;
  color:var(--ink-muted-48);
  letter-spacing:-0.12px;
}
.fairness-person-stat b{
  font-weight:600;
  color:var(--ink);
  margin-right:2px;
}
.fairness-person-bar{margin-top:var(--spacing-sm)}
.fairness-person-bar-track{
  height:6px;
  background:var(--divider);
  border-radius:3px;
  overflow:hidden;
  display:flex;
}
.fairness-person-bar-fill{height:100%}
.fairness-person-last{
  font-size:11px;
  color:var(--ink-muted-48);
  margin-top:6px;
  letter-spacing:-0.08px;
}
.fairness-card{
  display:flex;
  align-items:flex-start;
  gap:var(--spacing-md);
  background:var(--canvas);
  border:1px solid var(--hairline);
  border-radius:var(--radius-lg);
  padding:var(--spacing-lg);
  margin-bottom:var(--spacing-sm);
  transition:background 0.15s;
}
.fairness-card:hover{background:var(--pearl)}
.fairness-rank{
  width:36px;height:36px;
  border-radius:50%;
  background:var(--parchment);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);
  font-size:14px;font-weight:600;
  color:var(--ink-muted-48);
  flex-shrink:0;
}
.fairness-card:nth-child(1) .fairness-rank{background:var(--primary);color:#fff}
.fairness-card:nth-child(2) .fairness-rank{background:#e8e8ed;color:var(--ink)}
.fairness-card:nth-child(3) .fairness-rank{background:#e8d5b8;color:var(--ink)}
.fairness-main{flex:1;min-width:0}
.fairness-name{
  font-family:var(--font-display);
  font-size:17px;font-weight:600;
  letter-spacing:-0.374px;color:var(--ink);
}
.fairness-dept{font-size:12px;color:var(--ink-muted-48);margin-top:2px;letter-spacing:-0.12px}
.fairness-stats{display:flex;gap:20px;margin-top:var(--spacing-sm)}
.fairness-stat{display:flex;flex-direction:column;gap:2px}
.fairness-stat-val{
  font-family:var(--font-display);
  font-size:20px;font-weight:600;
  line-height:1.1;letter-spacing:-0.374px;color:var(--ink);
}
.fairness-stat-label{font-size:11px;color:var(--ink-muted-48);letter-spacing:-0.08px}
.fairness-bars{margin-top:var(--spacing-sm);display:flex;flex-direction:column;gap:6px}
.fairness-bar-row{display:flex;align-items:center;gap:10px}
.fairness-bar-label{font-size:11px;color:var(--ink-muted-48);min-width:56px;letter-spacing:-0.08px}
.fairness-bar-track{flex:1;height:4px;background:var(--divider);border-radius:2px;overflow:hidden}
.fairness-bar-fill{height:100%;border-radius:2px;transition:width 0.4s ease}
.fairness-last{font-size:12px;color:var(--ink-muted-48);margin-top:10px;letter-spacing:-0.12px}

/* ===== SCHEDULE ITEMS ===== */
.schedule-item{
  display:flex;
  align-items:center;
  gap:var(--spacing-sm);
  padding:var(--spacing-sm) var(--spacing-md);
  border-bottom:1px solid var(--divider);
}
.schedule-item:last-child{border-bottom:none}
.schedule-item .date{font-weight:600;min-width:80px;font-size:14px}
.schedule-item .person{flex:1;font-weight:600;font-size:15px}
.fairness-tag{
  font-size:11px;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  font-weight:600;
  letter-spacing:-0.08px;
}
.fairness-tag.fair{background:rgba(22,163,74,0.08);color:#16a34a}
.fairness-tag.unfair{background:rgba(217,119,6,0.08);color:#d97706}
.fairness-tag.very-unfair{background:rgba(220,38,38,0.08);color:#dc2626}

/* ===== EMPTY STATE ===== */
.empty-state{
  text-align:center;
  padding:var(--spacing-xxl) var(--spacing-lg);
  color:var(--ink-muted-48);
  font-size:14px;
}

/* ===== MODAL ===== */
.modal-overlay{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.4);
  backdrop-filter:blur(4px);
  z-index:200;
  align-items:center;
  justify-content:center;
  padding:var(--spacing-lg);
}
.modal-overlay.active{display:flex}
.modal{
  background:var(--canvas);
  border-radius:var(--radius-lg);
  padding:var(--spacing-xl);
  width:100%;
  max-width:440px;
  max-height:85vh;
  overflow-y:auto;
}
.modal h2{
  font-family:var(--font-display);
  font-size:21px;font-weight:600;
  letter-spacing:0.231px;
  margin-bottom:var(--spacing-lg);
  color:var(--ink);
}
.form-group{margin-bottom:var(--spacing-md)}
.form-group label{
  display:block;
  font-size:12px;font-weight:600;
  color:var(--ink-muted-48);
  letter-spacing:-0.224px;
  margin-bottom:6px;
}
.form-group input,.form-group select,.form-group textarea{
  width:100%;
  padding:10px 14px;
  border:1px solid var(--hairline);
  border-radius:var(--radius-sm);
  font-family:var(--font-body);
  font-size:14px;
  color:var(--ink);
  background:var(--canvas);
  transition:border-color 0.15s;
  -webkit-appearance:none;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(0,102,204,0.12);
}
.form-group select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%237a7a7a' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 12px center;
  padding-right:32px;
}
.form-actions{
  display:flex;
  gap:8px;
  justify-content:flex-end;
  margin-top:var(--spacing-lg);
}
.form-actions .btn-primary{
  order:-1;
}

/* ===== CHECKBOX ===== */
.checkbox-label{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  cursor:pointer;
  color:var(--ink-muted-80);
}
.checkbox-label input[type="checkbox"]{
  width:auto;
  accent-color:var(--primary);
}

/* ===== TOAST ===== */
.toast{
  position:fixed;
  top:56px;
  left:50%;
  transform:translateX(-50%);
  padding:10px 20px;
  border-radius:var(--radius-pill);
  color:#fff;
  font-size:13px;
  font-weight:600;
  letter-spacing:-0.224px;
  z-index:300;
  animation:toastIn 0.25s ease;
  box-shadow:0 2px 12px rgba(0,0,0,0.15);
}
.toast.success{background:var(--ink)}
.toast.error{background:#dc2626}
.toast.info{background:var(--primary)}
@keyframes toastIn{
  from{opacity:0;transform:translateX(-50%) translateY(-8px)}
  to{opacity:1;transform:translateX(-50%) translateY(0)}
}

.hidden{display:none!important}

/* ===== RESPONSIVE ===== */
@media(max-width:834px){
  .hero-stats{padding:var(--spacing-xxl) 0}
  .hero-stats h1{font-size:34px}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .content{padding:var(--spacing-xl) var(--spacing-md)}
  .toolbar{gap:6px}
  .toolbar .btn{flex-shrink:0}
}
@media(max-width:640px){
  .nav{padding:0 var(--spacing-sm)}
  .nav-brand{font-size:13px}
  .hero-stats{padding:var(--spacing-xl) 0}
  .hero-stats h1{font-size:26px;letter-spacing:-0.28px}
  .hero-stats .lead{font-size:14px}
  .stat-num{font-size:26px}
  .stat-cell{padding:var(--spacing-sm) var(--spacing-xs)}
  .stat-label{font-size:10px}
  .sub-nav-inner{gap:0}
  .tab{padding:10px 12px;font-size:11px;letter-spacing:-0.08px}
  .content{padding:var(--spacing-lg) var(--spacing-sm)}
  .card{padding:var(--spacing-md);border-radius:var(--radius-sm)}
  .toolbar{flex-wrap:wrap;gap:6px}
  .toolbar .btn{font-size:11px;padding:6px 10px}
  .calendar-day{min-height:50px;padding:3px}
  .calendar-day .day-num{font-size:11px}
  .calendar-day .duty-person{font-size:8px;padding:1px 3px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .calendar-day .holiday-tag{font-size:7px;top:2px;right:2px}
  .fairness-person-card{padding:var(--spacing-sm);gap:var(--spacing-sm)}
  .fairness-person-ring{width:56px;height:56px}
  .fairness-ring-val{font-size:13px}
  .fairness-person-name{font-size:15px}
  .fairness-person-stats{gap:8px}
  .fairness-person-stat{font-size:11px}
  .fairness-chart-name{width:52px;font-size:12px}
  .fairness-chart-count{width:40px;font-size:12px}
  .fairness-chart-avg{width:32px;font-size:12px}
  .fairness-summary-val{font-size:26px}
  .schedule-item{padding:8px 10px;gap:6px;flex-wrap:wrap}
  .schedule-item .date{font-size:12px;min-width:70px}
  .schedule-item .person{font-size:13px}
  table{min-width:480px;font-size:11px}
  th{padding:8px 10px;font-size:10px}
  td{padding:8px 10px}
  .badge{font-size:10px;padding:2px 7px}
  .fairness-tag{font-size:10px;padding:2px 7px}
  .modal{padding:var(--spacing-lg);margin:var(--spacing-sm)}
  .modal h2{font-size:18px;margin-bottom:var(--spacing-md)}
  .form-group input,.form-group select{font-size:16px;padding:10px 12px}
  .form-actions{flex-direction:column-reverse;gap:8px}
  .form-actions .btn{width:100%;justify-content:center}
  .empty-state{padding:var(--spacing-xl) var(--spacing-sm);font-size:13px}
}
@media(max-width:419px){
  .stats-row{grid-template-columns:1fr 1fr}
  .hero-stats h1{font-size:22px}
  .stat-num{font-size:22px}
  .stat-cell{padding:var(--spacing-xs)}
  .calendar-day{min-height:42px;padding:2px}
  .calendar-day .day-num{font-size:10px}
  .calendar-day .duty-person{font-size:7px}
  .fairness-person-stats{gap:6px}
  .fairness-stat-val{font-size:14px}
  .fairness-summary{grid-template-columns:1fr}
  .fairness-summary-val{font-size:22px}
  .fairness-legend{gap:6px}
  .fairness-guide-grid{grid-template-columns:1fr}
  .fairness-guide-section-wide{grid-column:auto}
}

/* ===== PRINT ===== */
@media print{
  body{background:#fff}
  .nav,.sub-nav,.toolbar{display:none}
  .card{break-inside:avoid;box-shadow:none;border:1px solid #e0e0e0}
}