/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* OEE Loss Category Colors */
  --color-unplanned-stops:    #E8452B;
  --color-planned-stops:      #F4821E;
  --color-small-stops:        #4DA6E8;
  --color-slow-cycles:        #6EA8C8;
  --color-production-rejects: #8B5BB4;
  --color-startup-rejects:    #B08FCC;
  --color-oee-green:          #5BB85D;

  /* KPI Accent Colors */
  --color-availability: #E8452B;
  --color-performance:  #4DA6E8;
  --color-quality:      #8B5BB4;

  /* Machine Status */
  --color-running: #5BB85D;
  --color-down:    #E8452B;
  --color-idle:    #F4C542;

  /* Layout */
  --sidebar-width:      240px;
  --topbar-height:      60px;
  --color-sidebar-bg:   #1E2A38;
  --color-sidebar-text: #B0BEC5;
  --color-topbar-bg:    #FFFFFF;
  --color-body-bg:      #F4F6F9;
  --color-card-bg:      #FFFFFF;
  --color-border:       #DEE2E6;
  --color-text-primary: #212529;
  --color-text-muted:   #6C757D;

  /* Typography */
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs:   11px;
  --font-size-sm:   13px;
  --font-size-base: 15px;
  --font-size-lg:   18px;
  --font-size-xl:   24px;
  --font-size-2xl:  36px;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-family); background: var(--color-body-bg); color: var(--color-text-primary); font-size: var(--font-size-base); line-height: 1.5; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
table { border-collapse: collapse; width: 100%; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

/* ===== LAYOUT ===== */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-width);
  background: var(--color-sidebar-bg);
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  z-index: 200;
}

.main-wrapper {
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.topbar {
  height: var(--topbar-height);
  background: var(--color-topbar-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-lg);
  gap: var(--space-md);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.page-content { padding: var(--space-lg); flex: 1; }

/* ===== SIDEBAR ===== */
.sidebar-logo {
  padding: 18px var(--space-md);
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  letter-spacing: 0.5px;
}

.sidebar-logo span {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 400;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.sidebar-section-label {
  padding: 14px var(--space-md) 4px;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,0.35);
  font-weight: 600;
}

.sidebar-nav { padding: 2px 0; }

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px var(--space-md);
  color: var(--color-sidebar-text);
  font-size: var(--font-size-sm);
  transition: background 0.15s, color 0.15s;
  border-left: 3px solid transparent;
}

.sidebar-nav li a:hover {
  background: rgba(255,255,255,0.07);
  color: #fff;
}

.sidebar-nav li a.active {
  background: rgba(255,255,255,0.12);
  color: #fff;
  border-left-color: var(--color-oee-green);
  font-weight: 500;
}

.sidebar-nav-icon {
  width: 20px;
  text-align: center;
  font-size: var(--font-size-base);
  flex-shrink: 0;
}

.sidebar-footer {
  margin-top: auto;
  padding: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ===== TOPBAR ===== */
.topbar-title { font-size: var(--font-size-base); font-weight: 600; }
.topbar-breadcrumb { font-size: var(--font-size-sm); color: var(--color-text-muted); }
.topbar-spacer { flex: 1; }
.topbar-info { display: flex; align-items: center; gap: var(--space-md); }

.topbar-badge {
  background: var(--color-oee-green);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ===== PAGE HEADER ===== */
.page-header { margin-bottom: var(--space-lg); }
.page-title { font-size: var(--font-size-xl); font-weight: 700; line-height: 1.2; }
.page-subtitle { font-size: var(--font-size-sm); color: var(--color-text-muted); margin-top: var(--space-xs); }

/* ===== CARDS ===== */
.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.card-title { font-size: var(--font-size-base); font-weight: 600; }
.card-subtitle { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: 2px; }

/* KPI Cards */
.kpi-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.kpi-card__accent {
  height: 4px;
  border-radius: 2px 2px 0 0;
  position: absolute;
  top: 0; left: 0; right: 0;
}

.kpi-card--oee   .kpi-card__accent { background: var(--color-oee-green); }
.kpi-card--avail .kpi-card__accent { background: var(--color-availability); }
.kpi-card--perf  .kpi-card__accent { background: var(--color-performance); }
.kpi-card--qual  .kpi-card__accent { background: var(--color-quality); }

.kpi-card__label { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 0.5px; color: var(--color-text-muted); font-weight: 600; margin-bottom: var(--space-sm); }
.kpi-card__value { font-size: var(--font-size-2xl); font-weight: 700; line-height: 1; }
.kpi-card__trend { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: var(--space-xs); }
.kpi-card__trend--up   { color: var(--color-running); }
.kpi-card__trend--down { color: var(--color-down); }

/* Side-by-side body: circle left, detail right */
.kpi-card__body {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  width: 100%;
}

/* Circle wrap for A/P/Q cards */
.kpi-card__circle-wrap { flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.kpi-card__circle-wrap svg { display: block; }

/* SVG circle gauge text */
.circle-gauge .cg-val { font-family: var(--font-family); }
.circle-gauge .cg-lbl { font-family: var(--font-family); }

/* Detail breakdown (right side) */
.kpi-card__detail {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kpi-card__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--color-body-bg);
  border-radius: var(--radius-md);
  padding: 8px 6px;
}
.kpi-metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.kpi-metric__val { font-size: 12px; font-weight: 700; color: var(--color-text-primary); line-height: 1; }
.kpi-metric__val--down  { color: var(--color-down); }
.kpi-metric__val--muted { color: var(--color-text-muted); }
.kpi-metric__lbl { font-size: 9px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.4px; text-align: center; }

.kpi-card__losses {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 4px;
  border-top: 1px solid var(--color-border);
}
.kpi-loss-row { display: flex; align-items: center; gap: 5px; }
.kpi-loss-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.kpi-loss-lbl { flex: 1; font-size: 10px; color: var(--color-text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi-loss-val { font-size: 10px; font-weight: 700; color: var(--color-text-primary); white-space: nowrap; }

/* Machine Cards */
.machine-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border-top: 4px solid transparent;
  position: relative;
  display: flex;
  flex-direction: column;
}

.machine-card--running { border-top-color: var(--color-running); }
.machine-card--down    { border-top-color: var(--color-down); background: #fff9f9; }
.machine-card--idle    { border-top-color: var(--color-idle); }

.machine-card__header {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding-bottom: var(--space-sm); margin-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}
.machine-card__name   { font-size: var(--font-size-base); font-weight: 700; letter-spacing: 0.01em; }
.machine-card__line   { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: 2px; }
.machine-card__body   { font-size: var(--font-size-sm); display: flex; flex-direction: column; gap: 5px; flex: 1; }
.machine-card__row    { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.machine-card__key    { color: var(--color-text-muted); flex-shrink: 0; }
.machine-card__val    { font-weight: 500; text-align: right; }
.machine-card__actions {
  margin-top: var(--space-md); padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  display: flex; gap: var(--space-sm);
}
.machine-card__actions .btn { flex: 1; justify-content: center; }
.machine-card__pending {
  display: flex; align-items: center; gap: 6px;
  background: #fff8e6; border: 1px solid #f4c542; border-radius: var(--radius-sm);
  color: #b58a00; font-size: var(--font-size-xs); font-weight: 600;
  padding: 5px 8px;
}

/* ===== MACHINE RANK ===== */
.rank-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 22px; height: 22px; border-radius: 50%;
  font-size: 11px; font-weight: 700;
  background: var(--color-border); color: var(--color-text-muted);
  flex-shrink: 0;
}
.rank-num--1 { background: #FFD700; color: #7a5800; }
.rank-num--2 { background: #C0C8D4; color: #3a4a5a; }
.rank-num--3 { background: #CD853F; color: #fff; }

.rank-oee { font-weight: 700; font-size: var(--font-size-base); line-height: 1.2; }
.rank-oee--good { color: var(--color-oee-green); }
.rank-oee--warn { color: var(--color-idle); }
.rank-oee--poor { color: var(--color-down); }

.rank-mini { display: flex; align-items: center; gap: 6px; }
.rank-mini .progress-bar { flex: 1; min-width: 50px; height: 5px; }
.rank-mini__pct { font-size: 10px; color: var(--color-text-muted); min-width: 34px; text-align: right; }

/* ===== SHIFT SNAPSHOT ===== */
.snap-body { display: flex; border-bottom: 1px solid var(--color-border); }
.snap-oee {
  flex: 0 0 100px; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  border-right: 1px solid var(--color-border); padding: var(--space-md);
}
.snap-oee__val { font-size: 1.9rem; font-weight: 800; line-height: 1; }
.snap-oee__label { font-size: 10px; color: var(--color-text-muted); margin-top: 4px; text-align: center; }
.snap-bars { flex: 1; padding: var(--space-sm) var(--space-md); }
.snap-footer { display: flex; gap: var(--space-lg); padding: var(--space-md); }
.snap-stat__label { font-size: 10px; color: var(--color-text-muted); }
.snap-stat__val { font-size: var(--font-size-base); font-weight: 700; margin-top: 1px; }

/* ===== TOP LOSS CAUSES ===== */
.loss-cause { padding: 9px var(--space-md); border-bottom: 1px solid var(--color-border); }
.loss-cause:last-child { border-bottom: none; }
.loss-cause__header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 4px; }
.loss-cause__name { font-size: var(--font-size-sm); font-weight: 600; }
.loss-cause__min { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.loss-cause .progress-bar { height: 6px; }

/* ===== GRIDS ===== */
.grid   { display: grid; gap: var(--space-md); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-md); }

/* ===== TABLES ===== */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.data-table { width: 100%; border-collapse: collapse; }

.data-table thead { background: #F8F9FA; }

.data-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  border-bottom: 2px solid var(--color-border);
  white-space: nowrap;
  font-weight: 600;
}

.data-table td {
  padding: 10px 14px;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table tbody tr:hover { background: #F8F9FA; }
.data-table tbody tr:last-child td { border-bottom: none; }

/* Six Big Losses rowspan table */
.data-table td.loss-group {
  font-weight: 600;
  font-size: var(--font-size-sm);
  vertical-align: middle;
  border-right: 1px solid var(--color-border);
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.badge--running { background: #E8F5E9; color: #2E7D32; }
.badge--down    { background: #FFEBEE; color: #C62828; }
.badge--idle    { background: #FFF8E1; color: #F57F17; }
.badge--completed  { background: #E8F5E9; color: #2E7D32; }
.badge--inprogress { background: #E3F2FD; color: #1565C0; }
.badge--pending    { background: #FFF8E1; color: #F57F17; }
.badge--cancelled  { background: #F5F5F5; color: #616161; }
.badge--submitted  { background: #E3F2FD; color: #1565C0; }
.badge--verified   { background: #E8F5E9; color: #2E7D32; }

/* Loss type badges — filled, colored */
.loss-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.loss-badge--unplanned   { background: var(--color-unplanned-stops); }
.loss-badge--planned     { background: var(--color-planned-stops); }
.loss-badge--small-stops { background: var(--color-small-stops); }
.loss-badge--slow-cycles { background: var(--color-slow-cycles); }
.loss-badge--prod-reject { background: var(--color-production-rejects); }
.loss-badge--start-reject{ background: var(--color-startup-rejects); }
.loss-badge--oee         { background: var(--color-oee-green); }

/* Status dot */
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 5px;
  flex-shrink: 0;
}

.status-dot--running { background: var(--color-running); }
.status-dot--down    { background: var(--color-down); }
.status-dot--idle    { background: var(--color-idle); }

/* ===== PROGRESS BAR ===== */
.progress-bar {
  height: 6px;
  background: #E9ECEF;
  border-radius: 3px;
  overflow: hidden;
  margin-top: var(--space-xs);
}

.progress-fill { height: 100%; border-radius: 3px; }
.progress-fill--oee   { background: var(--color-oee-green); }
.progress-fill--avail { background: var(--color-availability); }
.progress-fill--perf  { background: var(--color-performance); }
.progress-fill--qual  { background: var(--color-quality); }

/* ===== CHART PLACEHOLDER ===== */
.chart-placeholder {
  background: #F8F9FA;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  min-height: 200px;
  text-align: center;
  padding: var(--space-lg);
}

/* ===== ASCII BAR CHART ===== */
.ascii-bar-chart { display: flex; flex-direction: column; gap: var(--space-sm); padding: var(--space-sm) 0; }

.bar-row { display: flex; align-items: center; gap: var(--space-sm); }

.bar-label { width: 70px; font-size: var(--font-size-xs); text-align: right; color: var(--color-text-muted); flex-shrink: 0; }

.bar-track { flex: 1; height: 22px; background: #E9ECEF; border-radius: 3px; overflow: hidden; }

.bar-fill {
  height: 100%;
  border-radius: 3px;
  display: flex;
  align-items: center;
  padding-left: 6px;
  font-size: var(--font-size-xs);
  color: #fff;
  font-weight: 600;
  min-width: 32px;
  transition: width 0s;
}

.bar-fill--good    { background: var(--color-oee-green); }
.bar-fill--warning { background: var(--color-idle); }
.bar-fill--danger  { background: var(--color-down); }

.bar-value { width: 40px; font-size: var(--font-size-xs); color: var(--color-text-muted); flex-shrink: 0; }

/* ===== FORMS ===== */
.form-group { margin-bottom: var(--space-md); }

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}

.form-label .label-id { font-size: var(--font-size-xs); color: var(--color-text-muted); font-weight: 400; }

.form-control {
  width: 100%;
  padding: 7px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  background: #fff;
  color: var(--color-text-primary);
  transition: border-color 0.15s;
}

.form-control:focus {
  border-color: var(--color-small-stops);
  outline: none;
  box-shadow: 0 0 0 3px rgba(77, 166, 232, 0.15);
}

.form-control[disabled], .form-control[readonly] {
  background: #F8F9FA;
  color: var(--color-text-muted);
  cursor: not-allowed;
}

textarea.form-control { resize: vertical; min-height: 80px; }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-md); }

.form-hint { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: var(--space-xs); }

/* Filter bar */
.filter-bar {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-end;
  margin-bottom: var(--space-lg);
}

.filter-bar .form-group { margin-bottom: 0; min-width: 140px; }

/* Segmented button group (aggregate selector) */
.seg-group { display: inline-flex; border: 1px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; background: var(--color-card-bg); }
.seg-group__btn {
  padding: 7px 18px; font-size: var(--font-size-sm); font-weight: 500;
  color: var(--color-text-muted); background: transparent; border: none;
  border-right: 1px solid var(--color-border); cursor: pointer; transition: background 0.15s, color 0.15s;
}
.seg-group__btn:last-child { border-right: none; }
.seg-group__btn:hover { background: #F1F5F9; }
.seg-group__btn--active { background: var(--color-sidebar-bg, #1E2A38); color: #fff; }

/* OEE hero card — deliberately more prominent than A/P/Q */
.oee-hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #5BB85D 0%, #469B48 100%);
  border-radius: var(--radius-md); padding: var(--space-lg);
  color: #fff; display: flex; flex-direction: row; align-items: center; gap: var(--space-lg);
  box-shadow: 0 6px 18px rgba(91,184,93,0.28);
}
.oee-hero__left { flex: 1; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.oee-hero__right { flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.oee-hero__label { font-size: var(--font-size-xs); text-transform: uppercase; letter-spacing: 1px; font-weight: 700; opacity: 0.85; }
.oee-hero__badge-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.oee-hero__badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: var(--font-size-xs); font-weight: 700; letter-spacing: 0.3px;
}
.oee-hero__badge--good { background: rgba(255,255,255,0.25); color: #fff; }
.oee-hero__badge--low  { background: rgba(232,69,43,0.35); color: #fff; border: 1px solid rgba(255,255,255,0.3); }
.oee-hero__target-hint { font-size: var(--font-size-xs); opacity: 0.7; }
.oee-hero__formula-live { font-size: 14px; font-weight: 700; letter-spacing: 0.2px; opacity: 0.95; }
.oee-hero__sub { font-size: var(--font-size-xs); opacity: 0.85; }
.oee-hero__formula { font-size: var(--font-size-xs); opacity: 0.65; letter-spacing: 0.3px; }
.kpi-hero-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: var(--space-md); }

/* Machine status summary tiles */
.status-summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.status-tile {
  border-radius: var(--radius-md);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 5px;
}
.status-tile__count { font-size: 2.6rem; font-weight: 800; line-height: 1; }
.status-tile__label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--color-text-muted); font-weight: 600; }

/* Dashboard bottom row: Six Big Losses (½) + Loss Distribution (¼) + Machine Status (¼) */
.dash-bottom-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--space-md); align-items: stretch; }
.dash-bottom-grid .card { display: flex; flex-direction: column; }
.dash-bottom-grid .card .table-wrapper { flex: 1; }
.dash-bottom-grid #loss-chart { flex: 1; height: auto !important; min-height: 260px; }
.status-summary-2x2 {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-sm); padding: var(--space-sm) var(--space-md) var(--space-md);
  flex: 1; align-content: stretch;
}
.status-summary-2x2 .status-tile { padding: 20px var(--space-sm) 16px; flex: 1; }

@media (max-width: 1100px) {
  .dash-bottom-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .kpi-hero-grid { grid-template-columns: 1fr 1fr; }
  .status-summary { grid-template-columns: 1fr 1fr; }
  .dash-bottom-grid { grid-template-columns: 1fr; }
}

/* Modal / popup (machine detail) */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(15,23,42,0.55);
  display: none; align-items: center; justify-content: center; z-index: 1000; padding: var(--space-md);
}
.modal-overlay.is-open { display: flex; }
.modal {
  background: var(--color-card-bg); border-radius: var(--radius-md);
  width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,0.3);
}
.modal__header {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: var(--space-lg); border-bottom: 1px solid var(--color-border);
}
.modal__title { font-size: var(--font-size-lg); font-weight: 700; }
.modal__sub { font-size: var(--font-size-sm); color: var(--color-text-muted); margin-top: 2px; }
.modal__close { background: none; border: none; font-size: 22px; line-height: 1; cursor: pointer; color: var(--color-text-muted); }
.modal__body { padding: var(--space-lg); }
.modal__row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed var(--color-border); font-size: var(--font-size-sm); }
.modal__row:last-child { border-bottom: none; }
.modal__key { color: var(--color-text-muted); }
.modal__val { font-weight: 600; }
.machine-card { cursor: pointer; }

/* Two-row filter (report) */
.filter-rows { display: flex; flex-direction: column; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.filter-row {
  background: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-md); display: flex; flex-wrap: wrap; gap: var(--space-md); align-items: flex-end;
}
.filter-row .form-group { margin-bottom: 0; min-width: 130px; }
.filter-row__hint { font-size: var(--font-size-xs); color: var(--color-text-muted); width: 100%; margin-bottom: -2px; }

/* Rank table accent */
.rank-num { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px;
  border-radius: 50%; background: var(--color-sidebar-bg, #1E2A38); color: #fff; font-size: 11px; font-weight: 700; }
.rank-num--1 { background: #F4C542; color: #1E2A38; }
.rank-num--2 { background: #9CA3AF; }
.rank-num--3 { background: #B45309; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  padding: var(--space-md); flex-wrap: wrap; }
.pagination__info { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.pagination__controls { display: flex; align-items: center; gap: 4px; }
.pagination__btn {
  min-width: 32px; height: 32px; padding: 0 8px; border: 1px solid var(--color-border);
  background: var(--color-card-bg); border-radius: var(--radius-sm); cursor: pointer;
  font-size: var(--font-size-sm); color: var(--color-text-base, #1E2A38); transition: background 0.15s;
}
.pagination__btn:hover:not(:disabled) { background: #F1F5F9; }
.pagination__btn--active { background: var(--color-sidebar-bg, #1E2A38); color: #fff; border-color: var(--color-sidebar-bg, #1E2A38); }
.pagination__btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity 0.15s, box-shadow 0.15s;
  white-space: nowrap;
  line-height: 1;
}

.btn:hover { opacity: 0.88; box-shadow: 0 1px 3px rgba(0,0,0,0.15); }

.btn--primary { background: var(--color-small-stops); color: #fff; border-color: var(--color-small-stops); }
.btn--danger  { background: var(--color-down); color: #fff; border-color: var(--color-down); }
.btn--warning { background: var(--color-idle); color: #333; border-color: var(--color-idle); }
.btn--success { background: var(--color-running); color: #fff; border-color: var(--color-running); }
.btn--outline { background: transparent; border-color: var(--color-border); color: var(--color-text-primary); }
.btn--ghost   { background: transparent; border-color: transparent; color: var(--color-text-muted); }

.btn--sm { padding: 4px 10px; font-size: var(--font-size-xs); }
.btn--lg { padding: 10px 24px; font-size: var(--font-size-base); }

/* ===== TABS (CSS :target pattern) ===== */
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-lg);
  overflow-x: auto;
}

.tab-nav__item {
  padding: 10px 20px;
  font-size: var(--font-size-sm);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: color 0.15s;
}

.tab-nav__item:hover { color: var(--color-text-primary); }

/* :target tab switching */
.tab-panel { display: none; }
#products:target  ~ .tab-content #panel-products,
#recipes:target   ~ .tab-content #panel-recipes,
#lines:target     ~ .tab-content #panel-lines,
#machines:target  ~ .tab-content #panel-machines,
#operators:target ~ .tab-content #panel-operators,
#reasons:target   ~ .tab-content #panel-reasons { display: block; }

/* Default tab visible when no hash */
.tab-panel--default { display: block; }

/* Hide default when any target is active */
#products:target  ~ .tab-content .tab-panel--default,
#recipes:target   ~ .tab-content .tab-panel--default,
#lines:target     ~ .tab-content .tab-panel--default,
#machines:target  ~ .tab-content .tab-panel--default,
#operators:target ~ .tab-content .tab-panel--default,
#reasons:target   ~ .tab-content .tab-panel--default { display: none; }

/* Active tab link styling using :target */
#products:target  ~ .tab-nav a[href="#products"],
#recipes:target   ~ .tab-nav a[href="#recipes"],
#lines:target     ~ .tab-nav a[href="#lines"],
#machines:target  ~ .tab-nav a[href="#machines"],
#operators:target ~ .tab-nav a[href="#operators"],
#reasons:target   ~ .tab-nav a[href="#reasons"] {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-small-stops);
  font-weight: 600;
}

/* Default active */
.tab-nav__item--default { color: var(--color-text-primary); border-bottom-color: var(--color-small-stops); font-weight: 600; }

#products:target  ~ .tab-nav .tab-nav__item--default,
#recipes:target   ~ .tab-nav .tab-nav__item--default,
#lines:target     ~ .tab-nav .tab-nav__item--default,
#machines:target  ~ .tab-nav .tab-nav__item--default,
#operators:target ~ .tab-nav .tab-nav__item--default,
#reasons:target   ~ .tab-nav .tab-nav__item--default { color: var(--color-text-muted); border-bottom-color: transparent; font-weight: 400; }

/* ===== UTILITIES ===== */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.text-muted { color: var(--color-text-muted); }
.text-sm    { font-size: var(--font-size-sm); }
.text-xs    { font-size: var(--font-size-xs); }
.font-bold  { font-weight: 700; }
.font-600   { font-weight: 600; }

.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-wrap    { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.w-full { width: 100%; }

.section-divider { margin: var(--space-lg) 0; border: none; border-top: 1px solid var(--color-border); }

/* Color swatch for master data */
.color-swatch {
  display: inline-block;
  width: 14px; height: 14px;
  border-radius: 3px;
  vertical-align: middle;
  margin-right: 5px;
  flex-shrink: 0;
}

/* Line utilization bar in monitoring */
.line-stat { margin-bottom: var(--space-sm); }
.line-stat__label { display: flex; justify-content: space-between; font-size: var(--font-size-xs); margin-bottom: 3px; }

/* Active downtime highlight */
.row-alert { background: #FFF8F8 !important; }
.row-alert:hover { background: #FFEFEF !important; }

/* ===== PERMISSION MODAL ===== */
.perm-modal { display: none; }
.perm-modal:target { display: block; }

.perm-modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.perm-modal__box {
  background: var(--color-card-bg);
  border-radius: 8px;
  width: 620px;
  max-width: 100%;
  max-height: 82vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.perm-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 20px 24px 14px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.perm-modal__title { font-size: 15px; font-weight: 700; color: var(--color-text-primary); }
.perm-modal__subtitle { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: 2px; }

.perm-modal__close {
  font-size: 14px;
  color: var(--color-text-muted);
  text-decoration: none;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
  margin-left: 12px;
  margin-top: -2px;
}
.perm-modal__close:hover { background: var(--color-border); color: var(--color-text-primary); }

.perm-modal__body { flex: 1; overflow-y: auto; }

.perm-modal__box--lg { width: 700px; }

.perm-modal__footer {
  display: flex;
  gap: var(--space-sm);
  padding: 14px 24px 16px;
  border-top: 1px solid var(--color-border);
  flex-shrink: 0;
}

/* ===== PERMISSION MATRIX ===== */
.perm-group-row { background: #F8F9FA !important; }
.perm-group-row:hover { background: #F8F9FA !important; }
.perm-group-header {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: 8px var(--space-md) !important;
}
.perm-section-name { padding-left: 28px !important; }
.perm-check {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-small-stops);
}
.text-center { text-align: center; }