/* ═══════════════════════════════════════════
   Prabhat Moto ERP — Design System
   ═══════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --primary: #088395;
  --primary-light: #7AB2B2;
  --primary-dark: #09637E;
  --accent: #088395;
  --accent-light: #7AB2B2;
  --accent-dark: #09637E;
  --bg: #FFFFFF;
  --bg-secondary: #e8f2f2;
  --bg-card: #FFFFFF;
  --text: #1e293b;
  --text-secondary: #5a6c6c;
  --text-light: #9ca3af;
  --border: #dde8e8;
  --border-light: #e8f2f2;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow: 0 4px 12px rgba(8,131,149,.06);
  --shadow-lg: 0 10px 30px rgba(8,131,149,.1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --sidebar-width: 280px;
  --sidebar-collapsed-width: 86px;
  --header-height: 64px;
  --transition: .2s ease;
  /* Status colors */
  --success: #0d9488;
  --warning: #f59e0b;
  --danger: #dc2626;
  --info: #3b82f6;
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-dark)}
img{max-width:100%;display:block}
table{border-collapse:collapse;width:100%}
input,select,textarea,button{font-family:inherit;font-size:inherit}

/* ── Utilities ── */
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}
.text-center{text-align:center}.text-right{text-align:right}
.text-sm{font-size:.85rem}.text-xs{font-size:.75rem}
.text-secondary{color:var(--text-secondary)}.text-success{color:var(--success)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}
.fw-500{font-weight:500}.fw-600{font-weight:600}.fw-700{font-weight:700}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}
.w-100{width:100%}.hidden{display:none!important}

/* ── Layout: Sidebar + Content ── */
.app-layout{display:flex;min-height:100vh}

/* ── Sidebar ── */
.sidebar{width:var(--sidebar-width);background:var(--bg-card);color:var(--text);position:fixed;top:0;left:0;height:100vh;display:flex;flex-direction:column;z-index:100;transition:transform .3s ease,width .25s ease;overflow-y:auto;border-right:1px solid var(--border);box-shadow:1px 0 0 0 var(--border)}
.sidebar-brand{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border)}
.sidebar-brand h1{font-size:1rem;font-weight:800;letter-spacing:0.14em;text-transform:uppercase;background:linear-gradient(135deg, var(--primary-dark), var(--primary));-webkit-background-clip:text;background-clip:text;color:transparent;margin:0}
.sidebar-brand p{font-size:.78rem;color:var(--primary);margin:.15rem 0 0;letter-spacing:.04em;text-transform:uppercase;font-weight:600}
.sidebar-nav{flex:1;padding:1.25rem 1rem}
.nav-section{padding:.5rem 1rem .25rem;font-size:.7rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);font-weight:600}
.nav-item{display:flex;align-items:center;padding:.65rem .9rem;color:var(--text);font-size:.9rem;transition:background .15s;border-radius:8px;gap:.75rem;margin-bottom:.25rem}
.nav-item i{font-size:1.1rem;width:22px;text-align:center;color:var(--text-secondary);transition:color .15s}
.nav-item span{white-space:nowrap;transition:opacity .18s ease,transform .18s ease}
.nav-item:hover{background:var(--bg-secondary);color:var(--text)}
.nav-item.active{background:var(--bg-secondary);color:var(--primary);font-weight:500}
.nav-item.active i{color:var(--primary)}
.sidebar-footer{padding:1.25rem 1rem;border-top:1px solid var(--border);font-size:.8rem}
.sidebar-footer .user-info{display:flex;align-items:center;gap:.75rem;padding:0 .5rem}
.sidebar-footer .avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg, var(--primary-dark), var(--primary));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem}
.sidebar-footer .user-name{font-weight:600;color:var(--text);font-size:.85rem}
.sidebar-footer .user-role{font-size:.75rem;color:var(--text-secondary);text-transform:capitalize}

/* ── Main Content ── */
.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;display:flex;flex-direction:column;transition:margin-left .25s ease}

body.sidebar-collapsed .sidebar{width:var(--sidebar-collapsed-width)}
body.sidebar-collapsed .main-content{margin-left:var(--sidebar-collapsed-width)}
body.sidebar-collapsed .sidebar-brand p,
body.sidebar-collapsed .nav-section,
body.sidebar-collapsed .nav-item span,
body.sidebar-collapsed .sidebar-footer .user-info > div{display:none}
body.sidebar-collapsed .sidebar-brand{padding:1.05rem .7rem;display:flex;align-items:center;justify-content:center}
body.sidebar-collapsed .sidebar-brand h1{font-size:.86rem;letter-spacing:.08em;text-align:center}
body.sidebar-collapsed .sidebar-nav{padding:1rem .5rem}
body.sidebar-collapsed .nav-item{justify-content:center;padding:.7rem .45rem}
body.sidebar-collapsed .nav-item i{width:auto;font-size:1.2rem}
body.sidebar-collapsed .sidebar-footer{padding:.9rem .45rem}
body.sidebar-collapsed .sidebar-footer .user-info{justify-content:center;padding:0}

/* Prevent first-load collapse/expand animation flicker */
body.sidebar-initializing .sidebar,
body.sidebar-initializing .main-content,
body.sidebar-initializing .nav-item span,
body.sidebar-initializing .sidebar-brand,
body.sidebar-initializing .sidebar-nav,
body.sidebar-initializing .sidebar-footer{
  transition:none!important;
}

/* ── Top Header Bar ── */
.top-header{height:var(--header-height);background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 2rem;position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}
.top-header .page-title{font-size:1.15rem;font-weight:600;color:var(--text)}
.top-header .header-actions{display:flex;align-items:center;gap:1rem}
.menu-toggle{display:none;background:none;border:none;font-size:1.4rem;color:var(--text);cursor:pointer}
.sidebar-collapse-toggle{display:inline-flex;align-items:center;justify-content:center;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text);width:34px;height:34px;border-radius:8px;cursor:pointer;transition:all var(--transition)}
.sidebar-collapse-toggle:hover{background:#dff0f0;color:var(--primary)}

/* ── Content Area ── */
.content-area{flex:1;padding:1.75rem 2rem}

/* ── Page Header ── */
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}
.page-header h2{font-size:1.4rem;font-weight:700;color:var(--text)}
.page-header .breadcrumb{font-size:.8rem;color:var(--text-secondary)}
.page-header .breadcrumb a{color:var(--text-secondary)}
.page-header .breadcrumb a:hover{color:var(--accent)}

/* ── Cards ── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:box-shadow var(--transition);overflow:hidden}
.card:hover{box-shadow:var(--shadow)}
.card-header{padding:1.1rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-header h3{font-size:1rem;font-weight:600}
.card-body{padding:1.5rem}
.card-footer{padding:1rem 1.5rem;border-top:1px solid var(--border);background:var(--bg-secondary)}

/* ── Stat Cards (Dashboard) ── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:1.5rem}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem;display:flex;align-items:center;gap:1rem;transition:all var(--transition)}
.stat-card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.stat-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.stat-icon.blue{background:#dbeafe;color:#2563eb}
.stat-icon.green{background:#d1fae5;color:#059669}
.stat-icon.orange{background:#ffedd5;color:#ea580c}
.stat-icon.purple{background:#ede9fe;color:#7c3aed}
.stat-icon.teal{background:#ccfbf1;color:#0d9488}
.stat-icon.red{background:#fee2e2;color:#dc2626}
.stat-info h4{font-size:.8rem;color:var(--text-secondary);font-weight:500;margin-bottom:.15rem}
.stat-info .stat-value{font-size:1.5rem;font-weight:700;color:var(--text);line-height:1.2}
.stat-info .stat-change{font-size:.75rem;margin-top:.15rem}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.55rem 1.25rem;border-radius:var(--radius-sm);font-weight:500;font-size:.9rem;border:none;cursor:pointer;transition:all var(--transition);text-decoration:none;line-height:1.4}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-light);color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-sm{padding:.35rem .85rem;font-size:.8rem;border-radius:6px}
.btn-lg{padding:.75rem 1.75rem;font-size:1rem}
.btn-icon{width:36px;height:36px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}

/* ── Forms ── */
.form-group{margin-bottom:1.15rem}
.form-label{display:block;font-size:.85rem;font-weight:500;color:var(--text);margin-bottom:.35rem}
.form-label .required{color:var(--danger);margin-left:2px}
.form-control{width:100%;padding:.6rem .9rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;color:var(--text);background:var(--bg);transition:border-color var(--transition),box-shadow var(--transition)}
.form-control:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(13,148,136,.12)}
.form-control.is-invalid{border-color:var(--danger)}
.invalid-feedback{font-size:.78rem;color:var(--danger);margin-top:.25rem}
textarea.form-control{resize:vertical;min-height:80px}
select.form-control{appearance:none;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 fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-row.cols-3{grid-template-columns:repeat(3,1fr)}
.form-row.cols-4{grid-template-columns:repeat(4,1fr)}
.form-text{font-size:.78rem;color:var(--text-secondary);margin-top:.25rem}
.form-check{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}
.form-check input{accent-color:var(--accent);width:16px;height:16px}

/* ── Tables ── */
.table-responsive{overflow-x:auto;overflow-y:hidden;border-radius:var(--radius);border:1px solid var(--border);-webkit-overflow-scrolling:touch}
.table-responsive::-webkit-scrollbar{height:10px}
.table-responsive::-webkit-scrollbar-thumb{background:#c6dada;border-radius:10px}
.table-responsive::-webkit-scrollbar-track{background:#eef5f5}
.data-table{width:100%;font-size:.88rem}
.data-table thead{background:var(--bg-secondary)}
.data-table th{padding:.75rem 1rem;text-align:left;font-weight:600;color:var(--text);white-space:nowrap;border-bottom:2px solid var(--border);font-size:.8rem;text-transform:uppercase;letter-spacing:.3px}
.data-table td{padding:.7rem 1rem;border-bottom:1px solid var(--border-light);vertical-align:middle}
.data-table tbody tr{transition:background var(--transition)}
.data-table tbody tr:hover{background:var(--bg-secondary)}
.data-table tbody tr:last-child td{border-bottom:none}
.table-actions{display:flex;gap:.35rem}

/* ── Badges ── */
.badge{display:inline-flex;align-items:center;padding:.2rem .65rem;border-radius:50px;font-size:.75rem;font-weight:500;line-height:1.4}
.badge-success{background:#d1fae5;color:#065f46}
.badge-warning{background:#fef3c7;color:#92400e}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-info{background:#dbeafe;color:#1e40af}
.badge-secondary{background:#f3f4f6;color:#4b5563}
.badge-primary{background:#dbeafe;color:var(--primary)}

/* ── Alerts / Flash Messages ── */
.alert{padding:.85rem 1.25rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.9rem;display:flex;align-items:center;gap:.75rem;animation:slideDown .3s ease}
.alert-success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}
.alert .close-alert{margin-left:auto;cursor:pointer;opacity:.7;background:none;border:none;font-size:1.1rem;color:inherit}
.alert .close-alert:hover{opacity:1}

/* ── Pagination ── */
.pagination-nav{display:flex;justify-content:center;margin-top:1.5rem}
.pagination{display:flex;list-style:none;gap:.35rem}
.pagination-link{padding:.4rem .8rem;border:1px solid var(--border);border-radius:6px;font-size:.85rem;color:var(--text);transition:all var(--transition)}
.pagination-link:hover{border-color:var(--accent);color:var(--accent)}
.pagination-link.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.pagination-dots{padding:.4rem .5rem;color:var(--text-light);font-size:.85rem}

/* ── Modal ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;visibility:hidden;transition:all .25s ease}
.modal-overlay.active{opacity:1;visibility:visible}
.modal{background:var(--bg);border-radius:var(--radius-lg);width:90%;max-width:600px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg);transform:translateY(20px);transition:transform .25s ease}
.modal.modal-lg{max-width:860px}
.modal.modal-xl{max-width:1180px}
.modal-overlay.active .modal{transform:translateY(0)}
.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-header h3{font-size:1.1rem;font-weight:600}
.modal-close{background:none;border:none;font-size:1.3rem;cursor:pointer;color:var(--text-secondary)}
.modal-body{padding:1.5rem}
.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:.75rem}

.sidebar-overlay{position:fixed;inset:0;background:rgba(15,23,42,.42);opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:95}
.sidebar-overlay.active{opacity:1;visibility:visible}

/* ── Challan Form Helpers ── */
.challan-modal-shell{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(290px,.9fr);gap:1rem;align-items:start}
.challan-summary-panel{position:sticky;top:0;background:linear-gradient(180deg,#f8fcfc 0%,#ffffff 100%);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;box-shadow:var(--shadow-sm)}
.challan-summary-panel h4{font-size:1rem;font-weight:700;margin-bottom:.35rem;color:var(--text)}
.challan-summary-panel p{font-size:.86rem;color:var(--text-secondary);margin-bottom:.75rem}
.summary-card{border:1px solid var(--border-light);border-radius:12px;padding:.85rem;background:#fff;margin-bottom:.75rem}
.summary-card:last-child{margin-bottom:0}
.summary-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--text-light);margin-bottom:.25rem}
.summary-value{font-size:.92rem;font-weight:600;color:var(--text);word-break:break-word}
.summary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem .75rem}
.summary-chip-list{display:flex;flex-wrap:wrap;gap:.45rem}
.summary-chip{padding:.35rem .55rem;border-radius:999px;background:var(--bg-secondary);border:1px solid var(--border-light);font-size:.8rem;color:var(--text);font-weight:500}
.summary-empty{padding:.9rem;border:1px dashed var(--border);border-radius:12px;text-align:center;color:var(--text-secondary);background:#fafcfc}
.field-hint{font-size:.78rem;color:var(--text-secondary);margin-top:.35rem}

@media(max-width:1024px){
  .challan-modal-shell{grid-template-columns:1fr}
  .challan-summary-panel{position:static}
}

/* ── Chassis number input ── */
.chassis-input-wrap{position:relative}
.chassis-input{font-family:ui-monospace,'Cascadia Code','Fira Mono',monospace;letter-spacing:.08em;font-size:.97rem;text-transform:uppercase}
.chassis-meta{display:flex;align-items:center;justify-content:space-between;margin-top:.35rem;gap:.5rem}
.chassis-hint{font-size:.76rem;color:var(--text-secondary);display:flex;align-items:center;gap:.3rem}
.chassis-hint .bi{font-size:.8rem}
.chassis-counter{font-size:.76rem;font-weight:600;color:var(--text-secondary);white-space:nowrap;font-family:ui-monospace,monospace;min-width:3rem;text-align:right}
.chassis-input.is-valid{border-color:#2da44e!important;box-shadow:0 0 0 3px rgba(45,164,78,.12)!important}
.chassis-input.is-invalid{border-color:#cf222e!important;box-shadow:0 0 0 3px rgba(207,34,46,.12)!important}

/* ── Footer ── */
.app-footer{padding:1rem 2rem;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--text-secondary);background:var(--bg)}
.app-footer a{color:var(--accent);font-weight:500}
.app-footer a:hover{color:var(--accent-dark)}

/* ── Login Page ── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg, var(--bg-secondary) 0%, #c9e4e7 100%);padding:1.5rem}
.login-card{background:var(--bg);border-radius:20px;padding:2.5rem;width:100%;max-width:420px;box-shadow:0 8px 32px rgba(8, 131, 149, 0.10), 0 1px 4px rgba(0, 0, 0, 0.06);animation:fadeInUp .5s ease;text-align:left}
.login-brand{text-align:center;margin-bottom:2rem}
.login-brand h1{font-size:2rem;font-weight:900;letter-spacing:0.16em;text-transform:uppercase;background:linear-gradient(135deg, var(--primary-dark), var(--primary));-webkit-background-clip:text;background-clip:text;color:transparent;margin:0 0 0.35rem;line-height:1.1}
.login-brand p{font-size:.8rem;color:var(--primary);margin:0;letter-spacing:0.06em;text-transform:uppercase;font-weight:600}
.login-card .btn-primary{width:100%;justify-content:center;padding:.7rem;font-size:1rem}

/* ── Error Page ── */
.error-page{text-align:center;padding:4rem 2rem}
.error-code{font-size:5rem;font-weight:800;color:var(--border);line-height:1}
.error-page h2{margin-top:1rem;font-size:1.4rem}
.error-page p{color:var(--text-secondary);margin:.75rem 0 1.5rem}

/* ── Animations ── */
@keyframes fadeInUp{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideDown{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .4s ease}

/* ── Filters Bar ── */
.filters-bar{display:flex;flex-wrap:wrap;gap:.75rem;align-items:flex-end;margin-bottom:1.25rem;padding:1rem 1.25rem;background:var(--bg-secondary);border-radius:var(--radius-sm);border:1px solid var(--border)}
.filter-group{display:flex;flex-direction:column;gap:.25rem}
.filter-group label{font-size:.75rem;font-weight:500;color:var(--text-secondary)}
.filter-group .form-control{padding:.45rem .7rem;font-size:.85rem;min-width:150px}

/* ── Empty State ── */
.empty-state{text-align:center;padding:3rem 2rem;color:var(--text-secondary)}
.empty-state i{font-size:3rem;opacity:.3;margin-bottom:1rem}
.empty-state h4{font-size:1.1rem;margin-bottom:.5rem;color:var(--text)}
.empty-state p{font-size:.9rem}

/* ── Loading Spinner ── */
.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Tom Select Override ── */
.ts-wrapper .ts-control{border:1px solid var(--border)!important;border-radius:var(--radius-sm)!important;padding:.5rem .75rem!important;min-height:40px!important;box-shadow:none!important}
.ts-wrapper.focus .ts-control{border-color:var(--accent)!important;box-shadow:0 0 0 3px rgba(13,148,136,.12)!important}
.ts-dropdown{border:1px solid var(--border)!important;border-radius:var(--radius-sm)!important;box-shadow:var(--shadow)!important}
.ts-dropdown .active{background:var(--accent)!important;color:#fff!important}

/* ── Flatpickr Override ── */
.flatpickr-input{background:var(--bg)!important}
.flatpickr-day.selected{background:var(--accent)!important;border-color:var(--accent)!important}

/* ── Responsive ── */
@media(max-width:1024px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .menu-toggle{display:block}
  .sidebar-collapse-toggle{display:none}
  .content-area{padding:1.25rem 1rem}
  .form-row{grid-template-columns:1fr}
  .form-row.cols-3,.form-row.cols-4{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
}
@media(max-width:640px){
  .page-header{flex-direction:column;align-items:flex-start}
  .form-row.cols-3,.form-row.cols-4{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .app-footer{flex-direction:column;text-align:center;gap:.5rem}
  .top-header{padding:0 1rem}
  .top-header .page-title{font-size:1rem}
}