:root {
  --primary: #059669;
  --primary-light: #10b981;
  --primary-dark: #047857;
  --primary-bg: #ecfdf5;
  --accent: #065f46;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --info: #0284c7;
  --gray: #9ca3af;
  --gray-light: #fafaf5;
  --gray-border: #e5e7d8;
  --text: #1a2e1a;
  --text-secondary: #3d5a3d;
  --text-muted: #7c8a7c;
  --sidebar-w: 240px;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow-sm: 0 1px 2px rgba(5,96,70,.04);
  --shadow: 0 2px 8px rgba(5,96,70,.06), 0 1px 3px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(5,96,70,.08), 0 2px 6px rgba(0,0,0,.03);
  --shadow-lg: 0 12px 40px rgba(5,96,70,.12);
  --glass: rgba(255,255,255,.7);
  --glass-border: rgba(5,150,105,.08);
  --transition: .25s cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', 'Segoe UI', system-ui, sans-serif;
       font-size: 14px; color: var(--text); background: linear-gradient(135deg, #f0fdf4 0%, #fafaf5 30%, #ecfdf5 60%, #f5f5dc 100%);
       display: flex; min-height: 100vh; -webkit-font-smoothing: antialiased; }

/* ═══ SIDEBAR — Dark forest ═══ */
.sidebar { width: var(--sidebar-w); background: linear-gradient(180deg, #064e3b 0%, #065f46 50%, #047857 100%);
           min-height: 100vh; display: flex; flex-direction: column; position: fixed;
           top: 0; left: 0; z-index: 100; box-shadow: 4px 0 20px rgba(6,78,59,.15); }
.sidebar-brand { padding: 28px 24px 24px; }
.sidebar-brand h1 { color: #fff; font-size: 18px; font-weight: 800; letter-spacing: -0.03em; }
.sidebar-brand span { color: rgba(255,255,255,.5); font-size: 12px; font-weight: 500; display: block; margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 8px 12px; overflow-y: auto; }
.nav-section { padding: 16px 12px 8px; color: rgba(255,255,255,.35); font-size: 10px; font-weight: 700;
               letter-spacing: .1em; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 11px 14px;
            color: rgba(255,255,255,.65); text-decoration: none; transition: all var(--transition);
            font-size: 13.5px; font-weight: 500; border-radius: var(--radius-xs); margin: 2px 0; }
.nav-item:hover { background: rgba(255,255,255,.1); color: #fff; }
.nav-item.active { background: rgba(255,255,255,.18); color: #fff;
                   box-shadow: 0 2px 8px rgba(0,0,0,.15); backdrop-filter: blur(10px); }
.nav-icon { width: 20px; text-align: center; font-size: 15px; }
.sidebar-footer { padding: 18px 24px; border-top: 1px solid rgba(255,255,255,.08); }
.sidebar-footer a { color: rgba(255,255,255,.45); text-decoration: none; font-size: 13px; font-weight: 500; }
.sidebar-footer a:hover { color: rgba(255,255,255,.85); }

/* ═══ MAIN ═══ */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; }
.topbar { background: rgba(255,255,255,.6); backdrop-filter: saturate(180%) blur(20px);
          -webkit-backdrop-filter: saturate(180%) blur(20px);
          border-bottom: 1px solid var(--glass-border); padding: 16px 32px;
          display: flex; align-items: center; justify-content: space-between;
          position: sticky; top: 0; z-index: 50; }
.topbar-title { font-size: 20px; font-weight: 800; color: var(--accent); letter-spacing: -0.03em; }
.topbar-right { display: flex; align-items: center; gap: 16px; }
.user-badge { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.user-avatar { width: 36px; height: 36px; border-radius: 12px;
               background: linear-gradient(135deg, var(--primary) 0%, #34d399 100%);
               color: #fff; display: flex; align-items: center; justify-content: center;
               font-weight: 700; font-size: 14px; }
.content { padding: 32px; max-width: 1400px; }

/* ═══ CARDS — Frosted glass ═══ */
.card { background: rgba(255,255,255,.75); backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-radius: var(--radius); box-shadow: var(--shadow);
        border: 1px solid var(--glass-border); margin-bottom: 20px; overflow: hidden;
        transition: box-shadow var(--transition), transform var(--transition); }
.card:hover { box-shadow: var(--shadow-md); }
.card-header { padding: 18px 24px; border-bottom: 1px solid var(--glass-border);
               display: flex; align-items: center; justify-content: space-between;
               background: rgba(255,255,255,.4); }
.card-header h3 { font-size: 16px; font-weight: 700; color: var(--accent); letter-spacing: -0.02em; }
.card-body { padding: 24px; }

/* Customer info */
.card-customer { background: linear-gradient(135deg, #ecfdf5 0%, #f0fdfa 35%, #ecfeff 65%, #eff6ff 100%);
                 border: 1px solid rgba(16,185,129,.12); }
.card-customer:hover { box-shadow: 0 6px 24px rgba(16,185,129,.08); }
.card-customer .card-header { background: transparent; border-bottom: 1px solid rgba(16,185,129,.12); }
.card-customer .card-header h3 { color: #065f46; }
.card-customer .form-control { background: #fff; border-color: #e5e7eb; }
.card-customer .form-control:focus { border-color: #10b981; box-shadow: 0 0 0 4px rgba(16,185,129,.1); }
.card-customer select.form-control { background-color: #fff; }
.card-customer label { color: #064e3b; }

/* ═══ STAT CARDS ═══ */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: rgba(255,255,255,.8); backdrop-filter: blur(10px); border-radius: var(--radius);
             padding: 20px 24px; box-shadow: var(--shadow); position: relative; overflow: hidden;
             transition: transform var(--transition), box-shadow var(--transition); border: 1px solid var(--glass-border); }
.stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px;
                     background: linear-gradient(90deg, var(--primary), #34d399); }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat-card.warning::before { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.stat-card.success::before { background: linear-gradient(90deg, #16a34a, #4ade80); }
.stat-card.danger::before { background: linear-gradient(90deg, #dc2626, #f87171); }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .08em; font-weight: 700; }
.stat-value { font-size: 30px; font-weight: 800; color: var(--text); line-height: 1.1; margin-top: 6px; letter-spacing: -0.04em; }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; font-weight: 500; }

/* ═══ TABLES ═══ */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th { background: rgba(5,150,105,.06); color: var(--text-secondary); padding: 12px 16px;
           text-align: left; font-weight: 600; font-size: 11px; white-space: nowrap;
           text-transform: uppercase; letter-spacing: .05em; border-bottom: 2px solid rgba(5,150,105,.12); }
tbody tr { border-bottom: 1px solid rgba(5,150,105,.05); transition: background var(--transition); }
tbody tr:hover { background: rgba(5,150,105,.04); }
tbody td { padding: 12px 16px; vertical-align: middle; color: var(--text-secondary); }
.tbl-sm thead th, .tbl-sm tbody td { padding: 10px 14px; }

/* ═══ BADGES ═══ */
.badge { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 20px;
         font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.badge-pending { background: var(--warning-bg); color: #92400e; }
.badge-paid { background: var(--success-bg); color: #065f46; }
.badge-advance_paid { background: #ecfdf5; color: #065f46; }
.badge-returned { background: #faf5ff; color: #5b21b6; }
.badge-matched { background: var(--success-bg); color: #065f46; }
.badge-discrepancy { background: var(--danger-bg); color: #991b1b; }
.badge-unmatched { background: var(--warning-bg); color: #92400e; }
.badge-flagged { background: var(--danger-bg); color: #991b1b; }
.badge-closed { background: var(--primary-bg); color: var(--primary-dark); }
.badge-open { background: var(--warning-bg); color: #92400e; }
.badge-approved { background: var(--success-bg); color: #065f46; }
.badge-superadmin { background: #faf5ff; color: #7c3aed; }
.badge-admin { background: #fef3c7; color: #b45309; }
.badge-manager { background: var(--primary-bg); color: var(--primary-dark); }
.badge-entry { background: var(--gray-light); color: var(--gray); }
.badge-danger { background: var(--danger-bg); color: #991b1b; }

/* ═══ FORMS ═══ */
.form-row { display: grid; gap: 16px; margin-bottom: 16px; }
.form-row.col2 { grid-template-columns: 1fr 1fr; }
.form-row.col3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.col4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }
.form-group label .req { color: var(--danger); }
.form-control { border: 1.5px solid var(--gray-border); border-radius: var(--radius-xs); padding: 11px 14px;
                font-size: 14px; color: var(--text); background: rgba(255,255,255,.9); width: 100%;
                transition: all var(--transition); font-family: inherit; }
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(5,150,105,.1); background: #fff; }
.form-control:disabled { background: var(--gray-light); color: var(--text-muted); }
select.form-control { cursor: pointer; 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='%23059669' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
textarea.form-control { resize: vertical; min-height: 70px; }

/* ═══ BUTTONS ═══ */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 10px 20px;
       border-radius: var(--radius-xs); font-size: 14px; font-weight: 600; cursor: pointer;
       border: none; text-decoration: none; transition: all var(--transition); line-height: 1; font-family: inherit; }
.btn:active { transform: scale(0.97); }
.btn-primary { background: linear-gradient(135deg, var(--primary) 0%, #10b981 100%); color: #fff; }
.btn-primary:hover { box-shadow: 0 4px 14px rgba(5,150,105,.3); }
.btn-success { background: linear-gradient(135deg, #16a34a 0%, #22c55e 100%); color: #fff; }
.btn-success:hover { box-shadow: 0 4px 14px rgba(22,163,74,.3); }
.btn-warning { background: linear-gradient(135deg, #d97706 0%, #f59e0b 100%); color: #fff; }
.btn-warning:hover { box-shadow: 0 4px 14px rgba(217,119,6,.3); }
.btn-danger { background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%); color: #fff; }
.btn-danger:hover { box-shadow: 0 4px 14px rgba(220,38,38,.3); }
.btn-outline { background: rgba(255,255,255,.6); color: var(--primary); border: 1.5px solid var(--gray-border); }
.btn-outline:hover { background: var(--primary-bg); border-color: var(--primary); }
.btn-sm { padding: 6px 14px; font-size: 12px; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 16px; border-radius: var(--radius-sm); }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ═══ ALERTS ═══ */
.alert { padding: 14px 18px; border-radius: var(--radius-xs); margin-bottom: 16px;
         font-size: 13px; border: none; font-weight: 500; backdrop-filter: blur(8px); }
.alert-success { background: rgba(240,253,244,.9); color: #065f46; }
.alert-danger { background: rgba(254,242,242,.9); color: #991b1b; }
.alert-warning { background: rgba(255,251,235,.9); color: #92400e; }
.alert-info { background: rgba(236,253,245,.9); color: var(--primary-dark); }

/* ═══ PRODUCT GRID ═══ */
.pg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.pg-tile { background: rgba(255,255,255,.8); border: 1.5px solid var(--gray-border);
           border-radius: var(--radius-sm); overflow: hidden; transition: all var(--transition); backdrop-filter: blur(8px); }
.pg-tile:hover { border-color: rgba(5,150,105,.3); }
.pg-tile-active { border-color: var(--primary) !important; background: rgba(236,253,245,.8);
                  box-shadow: 0 0 0 3px rgba(5,150,105,.1); }
.pg-tile-head { font-size: 13px; font-weight: 700; color: var(--accent); padding: 12px 14px 8px;
                border-bottom: 1px solid var(--glass-border); background: rgba(255,255,255,.5); }
.pg-pack { display: flex; align-items: center; gap: 8px; padding: 8px 14px;
           border-bottom: 1px solid rgba(0,0,0,.03); background: rgba(255,255,255,.5); }
.pg-pack:last-child { border-bottom: none; }
.pg-pack-info { flex: 1; min-width: 0; }
.pg-pack-name { font-size: 13px; font-weight: 600; color: var(--text); }
.pg-pack-price { font-size: 11px; color: var(--text-muted); margin-left: 6px; }
.qty-stepper { display: flex; align-items: center; gap: 0; border: 1.5px solid var(--gray-border);
               border-radius: 10px; overflow: hidden; background: rgba(255,255,255,.8); flex-shrink: 0; }
.qty-stepper button { width: 32px; height: 32px; border: none; background: transparent; cursor: pointer;
                      font-size: 17px; font-weight: 600; color: var(--primary); transition: background var(--transition);
                      display: flex; align-items: center; justify-content: center; font-family: inherit; }
.qty-stepper button:hover { background: var(--primary-bg); }
.qty-stepper button:active { background: var(--primary); color: #fff; }
.qty-stepper .qty-input { width: 38px; text-align: center; padding: 4px 2px; font-size: 14px;
                          border: none; border-left: 1px solid var(--gray-border); border-right: 1px solid var(--gray-border);
                          font-weight: 700; background: #fff; outline: none; font-family: inherit; }
.qty-stepper.has-value { border-color: var(--primary); background: var(--primary-bg); }
.qty-stepper.has-value .qty-input { background: var(--primary-bg); color: var(--primary-dark); }

/* ═══ DOCUMENT UPLOAD ═══ */
.doc-upload-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px,1fr)); gap: 12px; }
.doc-upload-item { border: 2px dashed var(--gray-border); border-radius: var(--radius-sm);
                   padding: 18px 12px; text-align: center; cursor: pointer; transition: all var(--transition);
                   background: rgba(255,255,255,.5); }
.doc-upload-item:hover { border-color: var(--primary); background: var(--primary-bg); transform: translateY(-2px); }
.doc-upload-item.required { border-color: rgba(5,150,105,.3); }
.doc-upload-item.uploaded { border-color: var(--success); background: var(--success-bg); border-style: solid; }
.doc-upload-item input[type="file"] { display: none; }
.doc-icon { font-size: 28px; margin-bottom: 8px; }
.doc-label { font-size: 12px; font-weight: 700; color: var(--text); }
.doc-sublabel { font-size: 11px; color: var(--text-muted); margin-top: 3px; }
.doc-required-tag { display: inline-block; padding: 3px 8px; background: var(--danger-bg);
                    color: var(--danger); font-size: 10px; border-radius: 6px; font-weight: 700; margin-top: 6px; text-transform: uppercase; }

/* ═══ PIN MODAL ═══ */
.pin-overlay { display: none; position: fixed; inset: 0; background: rgba(6,78,59,.25);
               backdrop-filter: blur(6px); z-index: 1000; align-items: center; justify-content: center; }
.pin-overlay.show { display: flex; }
.pin-modal { background: rgba(255,255,255,.95); backdrop-filter: blur(20px); border-radius: 24px; padding: 40px;
             max-width: 340px; width: 90%; box-shadow: var(--shadow-lg); text-align: center;
             border: 1px solid var(--glass-border); animation: slideUp .3s cubic-bezier(.4,0,.2,1); }
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
.pin-modal h3 { font-size: 20px; font-weight: 800; color: var(--accent); margin-bottom: 4px; }
.pin-modal p { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }
.pin-dots { display: flex; justify-content: center; gap: 14px; margin-bottom: 28px; }
.pin-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--gray-border); transition: all .2s; }
.pin-dot.filled { background: var(--primary); transform: scale(1.2); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.pin-btn { padding: 18px; font-size: 22px; font-weight: 600; border: none; border-radius: var(--radius-sm);
           cursor: pointer; background: var(--gray-light); transition: all .1s; font-family: inherit; }
.pin-btn:hover { background: var(--primary-bg); }
.pin-btn:active { transform: scale(0.92); background: var(--primary); color: #fff; }
.pin-btn.clear { font-size: 13px; font-weight: 600; color: var(--danger); background: var(--danger-bg); }
.pin-input-hidden { position: absolute; opacity: 0; pointer-events: none; }

/* ═══ DASHBOARD ═══ */
.dash-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.progress-bar-track { height: 6px; background: rgba(5,150,105,.08); border-radius: 3px; overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: 3px; transition: width .6s cubic-bezier(.4,0,.2,1); }
.progress-bar-fill.green { background: linear-gradient(90deg, #059669, #34d399); }
.progress-bar-fill.red { background: linear-gradient(90deg, #dc2626, #f87171); }
.progress-bar-fill.blue { background: linear-gradient(90deg, #0284c7, #38bdf8); }
.progress-bar-fill.orange { background: linear-gradient(90deg, #d97706, #fbbf24); }
.finance-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0;
               border-bottom: 1px solid rgba(5,150,105,.06); }
.finance-row:last-child { border-bottom: none; }
.finance-label { font-size: 14px; font-weight: 500; color: var(--text); display: flex; align-items: center; gap: 8px; }
.finance-value { font-size: 14px; font-weight: 700; }

/* ═══ UTILITIES ═══ */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); font-size: 12px; }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.fw-bold { font-weight: 700; }
.w-100 { width: 100%; }
.overdue-row { background: rgba(254,242,242,.6) !important; }
.match-row-ok { background: rgba(240,253,244,.6) !important; }
.match-row-bad { background: rgba(254,242,242,.6) !important; }
.match-row-warn { background: rgba(255,251,235,.6) !important; }
.section-divider { border: none; border-top: 1.5px solid var(--glass-border); margin: 24px 0; }
.order-amount { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.03em; }
.doc-thumb { display: inline-block; padding: 5px 12px; background: var(--primary-bg); color: var(--primary);
             border-radius: var(--radius-xs); font-size: 12px; font-weight: 600; text-decoration: none; margin: 3px; }
.doc-thumb:hover { background: var(--primary); color: #fff; }
.filter-bar { background: rgba(255,255,255,.7); backdrop-filter: blur(10px); border: 1.5px solid var(--glass-border);
              border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px;
              display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.filter-bar .form-group { margin: 0; min-width: 140px; }
.pagination-info { font-size: 12px; color: var(--text-muted); }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(5,150,105,.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(5,150,105,.4); }

@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-brand h1, .sidebar-brand span, .nav-section, .nav-item span:not(.nav-icon) { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .main { margin-left: 60px; }
  .form-row.col3, .form-row.col4 { grid-template-columns: 1fr 1fr; }
  .form-row.col2 { grid-template-columns: 1fr; }
  .dash-grid-2 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
  .topbar { padding: 12px 16px; }
}