/* Motor Shop Trading System */
:root {
  --primary:#c0392b;--primary-dark:#922b21;--primary-light:#fadbd8;
  --accent:#e67e22;--accent-light:#fdebd0;
  --green:#1a7a4a;--green-light:#d5f5e3;
  --blue:#1a5276;--blue-light:#d6eaf8;
  --bg:#f5f4f0;--surface:#ffffff;--surface2:#f9f8f5;
  --border:#e2ddd8;--border2:#d0cbc5;
  --ink:#1a1a18;--muted:#6b6b66;--muted2:#9b9890;
  --sidebar-w:220px;--header-h:56px;
  --radius:8px;--radius-lg:12px;
  --shadow:0 1px 3px rgba(0,0,0,0.08);--shadow-md:0 4px 12px rgba(0,0,0,0.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}

/* Layout */
.app-shell{display:flex;height:100vh;overflow:hidden}

/* Sidebar */
.sidebar{width:var(--sidebar-w);background:#1a1a18;display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto;z-index:100}
.sidebar-brand{padding:18px 16px 14px;border-bottom:1px solid #2a2a28}
.sidebar-brand-name{font-size:13px;font-weight:700;color:#f5f3ee;letter-spacing:0.3px;line-height:1.2}
.sidebar-brand-sub{font-size:11px;color:#6b6b66;margin-top:2px}
.sidebar-nav{flex:1;padding:8px 0}
.nav-section-label{font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:#4a4a48;padding:12px 16px 4px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 16px;cursor:pointer;color:#9b9890;font-size:13px;transition:background 0.1s,color 0.1s;border:none;background:none;width:100%;text-align:left}
.nav-item:hover{background:#2a2a28;color:#f5f3ee}
.nav-item.active{background:var(--primary);color:#fff}
.nav-item-icon{font-size:15px;width:20px;text-align:center;flex-shrink:0}
.nav-item-label{flex:1}
.nav-badge{background:var(--accent);color:#fff;font-size:10px;padding:1px 6px;border-radius:10px;font-weight:600}
.sidebar-footer{padding:12px 16px;border-top:1px solid #2a2a28}
.sidebar-user{display:flex;align-items:center;gap:10px}
.sidebar-user-avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0}
.sidebar-user-name{font-size:12px;color:#9b9890;flex:1;min-width:0}
.sidebar-user-name strong{color:#f5f3ee;display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-user-role{font-size:10px;padding:1px 6px;border-radius:10px;background:#2a2a28;color:#6b6b66;text-transform:uppercase;letter-spacing:0.5px}
.sidebar-user-role.owner{background:#922b21;color:#fadbd8}
.sidebar-user-role.developer{background:#1a3a5a;color:#aed6f1}
.sidebar-signout{border:none;background:none;color:#6b6b66;font-size:11px;cursor:pointer;padding:8px 0 0;font-family:inherit}
.sidebar-signout:hover{color:#f5f3ee}

/* Main */
.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden}
.main-header{height:var(--header-h);background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;flex-shrink:0}
.main-header-title{font-size:16px;font-weight:600;flex:1}
.main-content{flex:1;overflow-y:auto;padding:24px}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.card-title{font-size:15px;font-weight:600}
.card-body{padding:20px}

/* Stat Cards */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat-card::before{content:attr(data-icon);position:absolute;top:14px;right:14px;font-size:22px;opacity:0.12}
.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:6px;font-weight:600}
.stat-value{font-size:1.5rem;font-weight:700;color:var(--ink);line-height:1.1;word-break:break-all}
.stat-sub{font-size:11px;color:var(--muted2);margin-top:4px}
.stat-value.green{color:var(--green)}
.stat-value.red{color:var(--primary)}
.stat-value.blue{color:var(--blue)}
.stat-value.accent{color:var(--accent)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:all 0.15s;white-space:nowrap;font-family:inherit;line-height:1}
.btn:disabled{opacity:0.5;cursor:not-allowed}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover:not(:disabled){background:var(--primary-dark)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--border2)}
.btn-secondary:hover:not(:disabled){background:var(--bg)}
.btn-success{background:var(--green);color:#fff}
.btn-success:hover:not(:disabled){background:#145a38}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover:not(:disabled){background:#d35400}
.btn-danger{background:#e74c3c;color:#fff}
.btn-danger:hover:not(:disabled){background:var(--primary)}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent}
.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--ink)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-xs{padding:3px 8px;font-size:11px;border-radius:5px}
.btn-lg{padding:11px 22px;font-size:14px}

/* Forms */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:0.5px}
.form-control{width:100%;padding:8px 12px;border:1px solid var(--border2);border-radius:var(--radius);font-size:13px;font-family:inherit;background:var(--surface);color:var(--ink);transition:border-color 0.15s;height:36px}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-control:disabled{background:var(--bg);color:var(--muted)}
textarea.form-control{height:auto;min-height:72px;resize:vertical}
select.form-control{cursor:pointer}
.form-control-sm{height:30px;padding:4px 10px;font-size:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.form-hint{font-size:11px;color:var(--muted2);margin-top:4px}
.input-group{display:flex}
.input-group .form-control{border-radius:var(--radius) 0 0 var(--radius)}
.input-group .btn{border-radius:0 var(--radius) var(--radius) 0;padding:8px 12px}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.8px;color:var(--muted);background:var(--surface2);border-bottom:1px solid var(--border);white-space:nowrap}
tbody td{padding:11px 14px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:var(--surface2)}
.th-right,.td-right{text-align:right}
.td-mono{font-family:'Courier New',monospace;font-size:12px}
.td-num{text-align:right;font-variant-numeric:tabular-nums}

/* Badges */
.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.badge-green{background:var(--green-light);color:var(--green)}
.badge-red{background:var(--primary-light);color:var(--primary-dark)}
.badge-amber{background:var(--accent-light);color:#a04000}
.badge-blue{background:var(--blue-light);color:var(--blue)}
.badge-gray{background:#ede9e3;color:var(--muted)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}
.modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:560px;max-height:90vh;display:flex;flex-direction:column}
.modal-lg{max-width:800px}
.modal-xl{max-width:1000px}
.modal-header{padding:18px 20px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.modal-title{font-size:15px;font-weight:700}
.modal-close{border:none;background:none;font-size:20px;cursor:pointer;color:var(--muted);padding:4px 8px;border-radius:4px;line-height:1}
.modal-close:hover{background:var(--bg)}
.modal-body{padding:20px;overflow-y:auto;flex:1}
.modal-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;flex-shrink:0}

/* Toasts */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:var(--radius);font-size:13px;font-weight:500;box-shadow:var(--shadow-md);animation:slideIn 0.2s ease;min-width:260px;max-width:380px}
@keyframes slideIn{from{transform:translateX(30px);opacity:0}to{transform:translateX(0);opacity:1}}
.toast-success{background:#1a7a4a;color:#fff}
.toast-error{background:var(--primary);color:#fff}
.toast-info{background:var(--blue);color:#fff}
.toast-warning{background:var(--accent);color:#fff}

/* Login */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#1a1a18;padding:24px}
.login-card{background:var(--surface);border-radius:16px;padding:48px 40px;width:100%;max-width:380px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.login-logo{width:64px;height:64px;background:var(--primary);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:32px;margin:0 auto 20px}
.login-title{font-size:22px;font-weight:700;margin-bottom:6px}
.login-sub{font-size:13px;color:var(--muted);margin-bottom:32px;line-height:1.5}
.btn-google{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:12px 20px;background:var(--surface);border:1.5px solid var(--border2);border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;color:var(--ink);transition:all 0.15s}
.btn-google:hover{border-color:var(--primary);background:var(--primary-light)}
.btn-google:disabled{opacity:0.6;cursor:not-allowed}

/* Loading */
.loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#1a1a18;flex-direction:column;gap:16px}
.spinner{width:36px;height:36px;border:3px solid #333;border-top-color:var(--primary);border-radius:50%;animation:spin 0.7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:13px;color:#6b6b66}

/* Alerts */
.alert{padding:12px 16px;border-radius:var(--radius);font-size:13px;margin-bottom:16px;line-height:1.5}
.alert-info{background:var(--blue-light);color:var(--blue);border:1px solid #a9cce3}
.alert-warning{background:var(--accent-light);color:#a04000;border:1px solid #f0b27a}
.alert-danger{background:var(--primary-light);color:var(--primary-dark);border:1px solid #f1948a}
.alert-success{background:var(--green-light);color:var(--green);border:1px solid #a9dfbf}

/* Date range bar */
.date-range-bar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:20px}

/* Page header */
.page-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.page-header-left h2{font-size:20px;font-weight:700}
.page-header-left p{font-size:13px;color:var(--muted);margin-top:2px}
.page-header-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* Filter bar */
.filter-bar{display:flex;align-items:center;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.search-wrap{position:relative;flex:1;min-width:180px}
.search-wrap input{padding-left:32px}
.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted2);font-size:13px;pointer-events:none}

/* Item line table in forms */
.items-wrap{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:12px 0}
.items-wrap table{margin:0}
.items-wrap thead th{padding:8px 10px;font-size:11px}
.items-wrap tbody td{padding:5px 6px}
.items-wrap tfoot td{background:var(--surface2);font-weight:600;padding:8px 10px;border-top:1px solid var(--border)}
.items-wrap input,.items-wrap select{border:none;background:transparent;font-size:13px;width:100%;padding:3px 4px;font-family:inherit;color:var(--ink)}
.items-wrap input:focus,.items-wrap select:focus{outline:1px solid var(--primary);border-radius:3px;background:var(--primary-light)}

/* Summary rows */
.summary-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:13px}
.summary-row.total{font-weight:700;font-size:15px;padding-top:10px;border-top:2px solid var(--border);margin-top:4px}
.summary-row.balance{font-weight:700;font-size:15px;color:var(--primary)}
.summary-row.paid-full{font-weight:700;font-size:15px;color:var(--green)}

/* Dividers & labels */
.divider{height:1px;background:var(--border);margin:16px 0}
.section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid var(--border)}

/* Pagination */
.pagination-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);flex-wrap:wrap;gap:8px}
.pagination-btns{display:flex;gap:3px}

/* Empty state */
.empty-state{text-align:center;padding:60px 20px;color:var(--muted2)}
.empty-icon{font-size:36px;margin-bottom:12px;opacity:0.35}
.empty-msg{font-size:14px;font-weight:500}
.empty-sub{font-size:12px;margin-top:4px}

/* Responsive */
@media(max-width:768px){
  .sidebar{display:none}
  .form-row,.form-row-3{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .main-content{padding:16px}
}