@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@400;600&display=swap');
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#f5f6fa;--surface:#fff;--card:#fff;--border:#e2e5ec;
  --primary:#1a1a2e;--accent:#2563eb;--accent2:#1d4ed8;
  --red:#dc2626;--green:#16a34a;--gold:#d97706;--blue:#2563eb;
  --text:#1a1a2e;--muted:#6b7280;--light:#f9fafb;
}
body{background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;min-height:100vh}
.mono{font-family:'IBM Plex Mono',monospace}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:#f1f1f1}
::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}

/* LOADER */
#globalLoader{position:fixed;inset:0;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:9999;gap:14px;color:var(--muted);font-size:13px}
.spinner{width:36px;height:36px;border:3px solid #e5e7eb;border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* LOGIN */
#loginScreen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f4ff 0%,#e8f0fe 100%)}
.login-box{width:380px;background:#fff;border:1px solid var(--border);border-radius:16px;padding:40px;box-shadow:0 4px 24px rgba(0,0,0,.08)}
.login-logo{text-align:center;margin-bottom:28px}
.login-logo .shop-name{font-size:26px;font-weight:800;color:var(--primary);letter-spacing:1px}
.login-logo p{color:var(--muted);font-size:12px;margin-top:4px}
.login-logo .icon{font-size:44px;margin-bottom:10px}

/* LAYOUT */
#app{display:none;min-height:100vh}
.layout{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--primary);display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;z-index:100}
.sidebar-logo{padding:20px 18px 16px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo .sh-name{font-size:15px;font-weight:800;color:#fff;letter-spacing:.5px}
.sidebar-logo small{color:rgba(255,255,255,.4);font-size:10px;letter-spacing:2px;text-transform:uppercase}
.nav-section{padding:10px 12px 4px;font-size:10px;color:rgba(255,255,255,.35);text-transform:uppercase;letter-spacing:1px;font-weight:600}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 18px;cursor:pointer;font-size:13px;font-weight:500;transition:.15s;color:rgba(255,255,255,.65);border-left:3px solid transparent;user-select:none}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{border-left-color:#60a5fa;background:rgba(96,165,250,.15);color:#fff;font-weight:600}
.nav-icon{font-size:15px;width:20px;text-align:center}
.sidebar-footer{margin-top:auto;padding:14px;border-top:1px solid rgba(255,255,255,.1)}
.user-badge{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:10px 12px;margin-bottom:8px}
.user-badge .uname{font-weight:700;font-size:13px;color:#fff}
.user-badge .urole{font-size:11px;color:rgba(255,255,255,.5)}
.main{margin-left:230px;flex:1;padding:28px;min-height:100vh;background:var(--bg)}

/* INPUTS */
.inp{width:100%;background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px 13px;color:var(--text);font-size:13px;font-family:'Inter',sans-serif;outline:none;transition:.15s}
.inp:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
select.inp option{background:#fff}
.btn{cursor:pointer;border:none;border-radius:8px;font-family:'Inter',sans-serif;font-weight:600;transition:.15s;font-size:13px}
.btn-primary{background:var(--accent);color:#fff;padding:10px 20px}.btn-primary:hover{background:var(--accent2)}
.btn-sm{padding:6px 13px;font-size:12px;border-radius:6px}
.btn-red{background:#fee2e2;color:var(--red);border:1px solid #fecaca}.btn-red:hover{background:#fecaca}
.btn-blue{background:#dbeafe;color:var(--blue);border:1px solid #bfdbfe}.btn-blue:hover{background:#bfdbfe}
.btn-green{background:#dcfce7;color:var(--green);border:1px solid #bbf7d0}.btn-green:hover{background:#bbf7d0}
.btn-outline{background:#fff;border:1px solid var(--border);color:var(--text)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}

/* CARDS */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.stat-blue::before{background:var(--blue)}.stat-green::before{background:var(--green)}.stat-red::before{background:var(--red)}.stat-gold::before{background:var(--gold)}
.stat-num{font-size:22px;font-weight:800;font-family:'IBM Plex Mono',monospace;color:var(--text)}
.stat-label{font-size:11px;color:var(--muted);margin-top:4px;font-weight:500}
.stat-icon{position:absolute;right:16px;top:16px;font-size:26px;opacity:.1}

/* TABLE */
.card{background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;margin-bottom:16px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);background:#fafafa}
.card-head h3{font-size:14px;font-weight:700}
.card-body{padding:18px}
.scroll-x{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{background:#f9fafb;font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted);padding:10px 14px;text-align:left;font-weight:600;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:10px 14px;font-size:13px;border-bottom:1px solid #f3f4f6;vertical-align:middle}
tr:last-child td{border:none}
tr:hover td{background:#f9fafb}

/* BADGES */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;font-family:'IBM Plex Mono',monospace;white-space:nowrap}
.bg{background:#fef3c7;color:#92400e}.bb{background:#dbeafe;color:#1e40af}.br{background:#fee2e2;color:#991b1b}.bgr{background:#dcfce7;color:#166534}.bm{background:#f3f4f6;color:#6b7280}.bp{background:#ede9fe;color:#5b21b6}

/* MODAL */
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;z-index:500;backdrop-filter:blur(2px)}
.modal{background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px;width:560px;max-width:96vw;max-height:92vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.15)}
.modal h3{margin-bottom:18px;color:var(--primary);font-size:18px;font-weight:800}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fg{margin-bottom:12px}
.fg label{display:block;font-size:11px;color:var(--muted);margin-bottom:5px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.form-actions{display:flex;gap:8px;margin-top:20px;justify-content:flex-end}

/* MISC */
.alert{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:12px}
.alert-r{background:#fee2e2;border:1px solid #fecaca;color:var(--red)}
.alert-g{background:#dcfce7;border:1px solid #bbf7d0;color:var(--green)}
.alert-b{background:#dbeafe;border:1px solid #bfdbfe;color:var(--blue)}
.divider{height:1px;background:var(--border);margin:14px 0}
.flex{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.mt{margin-top:16px}.mb{margin-bottom:16px}
.page-title{margin-bottom:24px}
.page-title h2{font-size:22px;font-weight:800;color:var(--primary)}
.page-title p{color:var(--muted);font-size:13px;margin-top:3px}
.sec-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.text-b{color:var(--blue)}.text-gr{color:var(--green)}.text-r{color:var(--red)}.text-m{color:var(--muted)}.text-g{color:var(--gold)}
.fw7{font-weight:700}.fw8{font-weight:800}
.chip-wrap{display:flex;flex-wrap:wrap;gap:6px}
.chip{padding:5px 12px;border-radius:20px;font-size:12px;cursor:pointer;border:1px solid var(--border);transition:.15s;user-select:none;background:#fff;font-weight:500}
.chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.chip:hover:not(.on){border-color:var(--accent);color:var(--accent)}
.sizes-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:7px}
.size-box{background:#f9fafb;border:1px solid var(--border);border-radius:8px;padding:8px;text-align:center}
.size-box .sn{font-family:'IBM Plex Mono',monospace;color:var(--primary);font-weight:700;font-size:12px}
.size-inp{width:100%;background:transparent;border:none;border-bottom:1px solid var(--border);text-align:center;color:var(--text);font-size:12px;padding:3px 0;outline:none;font-family:'Inter',sans-serif}
.tab-bar{display:flex;gap:2px;background:#f3f4f6;padding:4px;border-radius:10px;margin-bottom:20px;width:fit-content}
.tab{padding:8px 18px;border-radius:7px;font-size:12px;font-weight:600;cursor:pointer;transition:.15s;color:var(--muted);user-select:none}
.tab.on{background:#fff;color:var(--primary);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.tab:hover:not(.on){color:var(--primary)}
.profit-bar{height:5px;background:#e5e7eb;border-radius:3px;overflow:hidden;margin-top:5px}
.profit-fill{height:100%;background:var(--green);border-radius:3px}
.sum-card{background:#f9fafb;border:1px solid var(--border);border-radius:10px;padding:14px;text-align:center}
.sum-card .val{font-size:20px;font-weight:800;font-family:'IBM Plex Mono',monospace}
.sum-card .lbl{font-size:11px;color:var(--muted);margin-top:3px;font-weight:500}
.no-data{text-align:center;color:var(--muted);padding:32px;font-size:13px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);display:inline-block;margin-right:5px;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.search-bar{position:relative}
.search-bar .inp{padding-left:36px}
.search-bar::before{content:'🔍';position:absolute;left:10px;top:50%;transform:translateY(-50%);font-size:13px;z-index:1}

/* INVOICE PRINT */
@media print{
  body *{visibility:hidden}
  #printArea,#printArea *{visibility:visible}
  #printArea{position:fixed;left:0;top:0;width:100%;background:#fff;color:#000;font-family:'Inter',sans-serif;padding:20px}
}
#printArea{display:none}