/* ================================================================
   MES Structure du Nord — Dark Theme
   ================================================================ */

:root {
  --bg:           #1e1e1e;
  --surface:      #252525;
  --surface-2:    #2e2e2e;
  --surface-3:    #3a3a3a;
  --border:       #383838;
  --text:         #e8e8e8;
  --text-sub:     #b8b8b8;
  --text-muted:   #7a7a7a;
  --accent:       #C8102E;
  --accent-light: #e82035;
  --accent-dim:   rgba(200,16,46,0.12);
  --accent-border:rgba(200,16,46,0.28);
  --success:      #22c55e;
  --success-dim:  rgba(34,197,94,0.12);
  --success-border:rgba(34,197,94,0.3);
  --warning:      #f59e0b;
  --warning-dim:  rgba(245,158,11,0.12);
  --danger:       #ef4444;
  --danger-dim:   rgba(239,68,68,0.12);
  --danger-border:rgba(239,68,68,0.3);
  --sidebar-w:    248px;
  --radius:       10px;
  --radius-sm:    6px;
  --shadow:       0 2px 12px rgba(0,0,0,0.4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── LAYOUT ───────────────────────────────────────────────── */

.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── SIDEBAR ─────────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 200;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-top {
  padding: 22px 16px 14px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.sidebar-logo img {
  max-width: 130px;
  height: auto;
  border-radius: 8px;
  display: block;
}

.factory-badge {
  display: block;
  text-align: center;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  padding: 5px 12px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-border);
  border-radius: 20px;
  color: var(--accent-light);
}

/* ── NAVIGATION ──────────────────────────────────────────── */

.sidebar-nav {
  flex: 1;
  padding: 10px 8px;
  overflow-y: auto;
}

.nav-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 12px 12px 4px;
  display: block;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-sub);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 2px;
  border-left: 2px solid transparent;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent-light);
  border-left-color: var(--accent);
  font-weight: 600;
}

.nav-item.nav-danger {
  color: #f87171;
}
.nav-item.nav-danger:hover {
  background: var(--danger-dim);
  color: var(--danger);
}

.nav-item.nav-muted {
  color: var(--text-muted);
  font-size: 13px;
}
.nav-item.nav-muted:hover {
  background: var(--surface-2);
  color: var(--text-sub);
}

.nav-icon { font-size: 15px; flex-shrink: 0; }

.nav-sep {
  height: 1px;
  background: var(--border);
  margin: 8px 8px;
}

.nav-group-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  border-left: 2px solid transparent;
  color: var(--text-sub);
  font-family: inherit;
  font-size: 13.5px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.nav-group-toggle:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-group.has-active .nav-group-toggle {
  color: var(--text);
  font-weight: 600;
}

.nav-chevron {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  transition: transform 0.15s;
}

.nav-group.open > .nav-group-toggle .nav-chevron {
  transform: rotate(180deg);
}

.nav-group-items {
  display: none;
  padding-left: 10px;
  margin-left: 12px;
  border-left: 1px solid var(--border);
}

.nav-group.open > .nav-group-items {
  display: block;
}

/* ── SIDEBAR BOTTOM ──────────────────────────────────────── */

.sidebar-bottom {
  padding: 10px 8px;
  border-top: 1px solid var(--border);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  margin-bottom: 4px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  flex-shrink: 0;
}

.user-details {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: capitalize;
}

/* ── MAIN CONTENT ────────────────────────────────────────── */

.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 32px 36px;
  min-height: 100vh;
}

/* ── PAGE HEADER ─────────────────────────────────────────── */

.page-header {
  margin-bottom: 28px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── CARD ─────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card + .card { margin-top: 20px; }

/* ── BUTTONS ─────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-light); }

.btn-secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--surface-3); }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-border);
}
.btn-ghost:hover { background: var(--accent-dim); }

.btn-danger-outline {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger-border);
}
.btn-danger-outline:hover { background: var(--danger-dim); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { opacity: 0.85; }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { opacity: 0.85; }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }

/* ── FORMS ───────────────────────────────────────────────── */

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-sub);
  margin-bottom: 5px;
  margin-top: 18px;
}

label:first-child { margin-top: 0; }

input[type=text],
input[type=number],
input[type=date],
input[type=time],
input[type=password],
input[type=email],
input[type=file],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
  appearance: auto;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

select option {
  background: var(--surface-2);
  color: var(--text);
}

input[readonly],
input[disabled] {
  background: var(--surface);
  color: var(--text-muted);
  cursor: not-allowed;
}

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

input[type=checkbox],
input[type=radio] {
  width: auto;
  accent-color: var(--accent);
}

/* ── TABLES ──────────────────────────────────────────────── */

.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

th {
  background: var(--accent);
  color: #fff;
  padding: 11px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}

tr:last-child td { border-bottom: none; }

tbody tr:hover td { background: var(--surface-2); }

.totaux-row td {
  background: rgba(200,16,46,0.08);
  font-weight: 700;
  color: var(--accent-light);
}

/* ── BADGES ──────────────────────────────────────────────── */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-accent   { background: var(--accent-dim);   color: var(--accent-light); border: 1px solid var(--accent-border); }
.badge-success  { background: var(--success-dim);  color: var(--success);      border: 1px solid var(--success-border); }
.badge-danger   { background: var(--danger-dim);   color: var(--danger);       border: 1px solid var(--danger-border); }
.badge-neutral  { background: var(--surface-3);    color: var(--text-muted); }
.badge-admin       { background: var(--accent-dim);   color: var(--accent-light); border: 1px solid var(--accent-border); }
.badge-contremaitre{ background: #1e3a5f;             color: #93c5fd;             border: 1px solid #2563eb33; }
.badge-operateur   { background: var(--surface-3);    color: var(--text-muted); }
.badge-actif    { background: var(--success-dim);  color: var(--success);      border: 1px solid var(--success-border); }
.badge-inactif  { background: var(--danger-dim);   color: var(--danger);       border: 1px solid var(--danger-border); }

/* ── ALERTS ──────────────────────────────────────────────── */

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-success { background: var(--success-dim); color: var(--success); border: 1px solid var(--success-border); }
.alert-danger  { background: var(--danger-dim);  color: var(--danger);  border: 1px solid var(--danger-border); }
.alert-warning { background: var(--warning-dim); color: var(--warning); border: 1px solid rgba(245,158,11,0.3); }
.alert-info    { background: var(--accent-dim);  color: var(--accent-light); border: 1px solid var(--accent-border); }

/* ── STATS GRID ──────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-label {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 10px;
}

.stat-value {
  font-size: 30px;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
}

.stat-card.good .stat-value { color: var(--success); }
.stat-card.bad  .stat-value { color: var(--danger); }

/* ── SECTION TITLE ───────────────────────────────────────── */

.section-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 8px;
  margin: 28px 0 16px;
}

/* ── FILTER BAR ──────────────────────────────────────────── */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px;
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 140px;
}

.filter-group label {
  margin: 0;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* ── FORM LAYOUT ─────────────────────────────────────────── */

.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  max-width: 680px;
}

.project-group {
  display: flex;
  gap: 10px;
}
.project-group select,
.project-group input { flex: 1; }

.flex-row {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}
.flex-row > div { flex: 1; }

/* ── QUALITY FORM ────────────────────────────────────────── */

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin: 18px 0;
  background: var(--surface);
}

legend {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 10px;
}

.radio-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  min-height: 90px;
  gap: 6px;
}

.radio-group label {
  margin: 0;
  font-weight: 500;
  color: var(--text-sub);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
}

.radio-group label:first-child {
  font-weight: 700;
  color: var(--text);
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 4px;
  cursor: default;
}

.invalid {
  border-color: var(--danger) !important;
  background: var(--danger-dim) !important;
}

.ok {
  border-color: var(--success) !important;
  background: var(--success-dim) !important;
}

.score-box {
  text-align: center;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 20px 0;
  background: var(--surface-2);
}

.score-box label { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

.score-box input {
  text-align: center;
  font-size: 30px;
  font-weight: 800;
  max-width: 160px;
  margin: 0 auto;
  display: block;
}

#badge {
  font-size: 20px;
  font-weight: 800;
  margin-top: 10px;
}

.badge-true { color: var(--success); }
.badge-false { color: var(--danger); }

#penalites {
  background: var(--danger-dim);
  border: 1px solid var(--danger-border);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-top: 12px;
  text-align: left;
  display: none;
  color: var(--text);
}

#penalites ul {
  margin: 8px 0 0 20px;
  padding: 0;
  color: var(--text-sub);
}

.assemblage-section { background: rgba(200,16,46,0.04); border-color: var(--accent-border); }
.assemblage-section legend { color: var(--accent-light); }

.help {
  font-size: 12.5px;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 6px;
}

/* ── MODAL ────────────────────────────────────────────────── */

.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 1000;
  padding: 30px;
  overflow: auto;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  max-width: 900px;
  margin: 30px auto;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.modal h3 {
  margin: 0 0 18px;
  color: var(--text);
  font-size: 17px;
  font-weight: 700;
}

.modal-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 8px 14px;
  font-size: 13.5px;
}

.modal-grid .key { font-weight: 600; color: var(--text-muted); }
.modal-grid .value { white-space: pre-wrap; word-break: break-word; color: var(--text); }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active { display: flex; }

.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 460px;
  width: 90%;
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow);
}

.modal-box h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 14px;
}

.modal-box p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 20px;
}

.modal-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── ADMIN TABLE ─────────────────────────────────────────── */

.btn-toggle {
  background: none;
  border: none;
  color: var(--accent-light);
  cursor: pointer;
  font-size: 13px;
  text-decoration: underline;
  padding: 0;
  font-family: inherit;
}

.btn-toggle:hover { color: var(--accent); }

.reset-form { display: none; margin-top: 12px; }

.reset-form input[type=password] { margin-bottom: 8px; }

/* ── LOGIN / AUTH PAGE ───────────────────────────────────── */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  padding: 24px;
  background-image: radial-gradient(ellipse at 50% 0%, rgba(200,16,46,0.07) 0%, transparent 70%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.auth-logo {
  display: block;
  max-width: 150px;
  margin: 0 auto 28px;
  filter: brightness(1.15);
}

.auth-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
  margin-bottom: 24px;
}

.auth-error {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  margin-top: 12px;
}

/* ── FACTORY SELECTION ───────────────────────────────────── */

.factory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 28px;
}

.factory-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 36px 24px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  cursor: pointer;
}

.factory-card:hover {
  background: var(--surface-3);
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(200,16,46,0.18);
}

.factory-icon { font-size: 44px; }

.factory-sub {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

/* ── DASHBOARD HOME ──────────────────────────────────────── */

.welcome-banner {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(200,16,46,0.06) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.welcome-icon { font-size: 48px; }

.welcome-text h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.welcome-text p { font-size: 13.5px; color: var(--text-muted); }

.progress-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.progress-label { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .6px; }
.progress-value { font-size: 24px; font-weight: 800; color: var(--text); }
.progress-value span { font-size: 14px; font-weight: 500; color: var(--text-muted); margin-left: 4px; }
.progress-track {
  height: 14px;
  background: var(--surface-3);
  border-radius: 99px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  border-radius: 99px;
  transition: width .5s ease;
  background: var(--accent);
}
.progress-fill.warn { background: #f59e0b; }
.progress-fill.good { background: var(--success); }
.progress-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.quick-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.quick-card:hover {
  background: var(--surface-2);
  border-color: var(--accent-border);
  transform: translateY(-2px);
}

.quick-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: var(--radius-sm);
}

.quick-info { flex: 1; }
.quick-title { font-size: 14px; font-weight: 700; color: var(--text); }
.quick-desc { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ── META INFO BOX ───────────────────────────────────────── */

.meta-box {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.meta-box strong { color: var(--text-sub); }

/* ── CAMEMBERT / CHARTS ──────────────────────────────────── */

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #1a1a1a;
  padding: 16px 24px;
  color: var(--text);
  border-bottom: 2px solid var(--accent);
}

.chart-header-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* ── FOOTER ──────────────────────────────────────────────── */

.flowtrack-footer {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.flowtrack-footer img {
  height: 18px;
  vertical-align: middle;
  opacity: 0.6;
  filter: brightness(1.5);
}

/* ── UTILITIES ───────────────────────────────────────────── */

.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.d-flex { display: flex; }
.gap-2 { gap: 12px; }
.gap-3 { gap: 18px; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.w-full { width: 100%; }

/* ── RESPONSIVE ──────────────────────────────────────────── */

@media (max-width: 1000px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 800px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 20px 18px; }
  .quick-grid { grid-template-columns: 1fr; }
  .factory-grid { grid-template-columns: 1fr; }
  .flex-row { flex-direction: column; gap: 8px; }
}

@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr; }
  .auth-card { padding: 28px 20px; }
  .main-content { padding: 16px; }
}