/* ============================================================
   main.css — TheLabelCutter v3.0
   Professional clean theme
   ============================================================ */

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

:root{
  --bg:#f5f6f8;
  --bg-white:#ffffff;
  --bg-nav:#1e2937;
  --bg-dark:#111827;
  --accent:#3b6cf4;
  --accent-hover:#2f5cd8;
  --accent-light:#eef3ff;
  --green:#0d9f5f;
  --green-bg:#ecfdf3;
  --red:#dc3545;
  --red-bg:#fef2f2;
  --orange:#e67e22;
  --orange-bg:#fff8ed;
  --purple:#7c3aed;
  --purple-bg:#f5f0ff;
  --text:#1a2030;
  --text2:#4b5563;
  --text3:#9ca3af;
  --border:#e5e7eb;
  --border2:#d1d5db;
  --radius:8px;
  --shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 4px 12px rgba(0,0,0,.07);
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --fontH:'Inter',system-ui,-apple-system,sans-serif;
  --nav-h:56px;
  --transition:.15s ease;
}

html{scroll-behavior:smooth;}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--accent);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--accent-hover);}
h1,h2,h3,h4,h5{font-family:var(--fontH);font-weight:700;line-height:1.3;color:var(--text);}

/* ── Buttons ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:6px;font-weight:600;font-size:13px;cursor:pointer;border:none;transition:all var(--transition);font-family:var(--font);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-hover);}
.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border);}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent);}
.btn-outline:hover{background:var(--accent);color:#fff;}

/* ── Header ─────────────────────────────────────────────── */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg-nav);border-bottom:1px solid rgba(255,255,255,.08);}
.nav-container{max-width:1300px;margin:0 auto;padding:0 20px;height:var(--nav-h);display:flex;align-items:center;gap:20px;}
.nav-logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:17px;text-decoration:none;}
.logo-icon{font-size:20px;}
.nav-links{list-style:none;display:flex;gap:2px;flex:1;}
.nav-links li a{color:rgba(255,255,255,.6);font-size:13px;font-weight:500;padding:6px 12px;border-radius:6px;transition:all var(--transition);}
.nav-links li a:hover,.nav-links li a.active{color:#fff;background:rgba(255,255,255,.08);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.btn-support{background:transparent;border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.7);padding:6px 14px;border-radius:6px;font-size:12px;font-weight:500;transition:all var(--transition);}
.btn-support:hover{border-color:rgba(255,255,255,.3);color:#fff;}

.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px;}
.hamburger span{width:20px;height:2px;background:rgba(255,255,255,.7);border-radius:2px;display:block;}
.mobile-menu{display:none;flex-direction:column;background:var(--bg-nav);border-top:1px solid rgba(255,255,255,.08);padding:10px 16px;gap:2px;}
.mobile-menu a{color:rgba(255,255,255,.7);padding:10px 12px;border-radius:6px;font-size:14px;display:block;}
.mobile-menu a:hover{background:rgba(255,255,255,.05);color:#fff;}
.mobile-menu.open{display:flex;}

/* ── Tool Tabs ──────────────────────────────────────────── */
.tool-tabs{background:var(--bg-white);border-bottom:1px solid var(--border);display:flex;padding:0 16px;}
.tool-tab{padding:12px 18px;font-size:13px;font-weight:500;color:var(--text3);cursor:pointer;border:none;border-bottom:2px solid transparent;transition:all var(--transition);display:flex;align-items:center;gap:6px;background:none;font-family:var(--font);}
.tool-tab:hover{color:var(--text);}
.tool-tab.active{color:var(--accent);border-bottom-color:var(--accent);}

/* ── Tool Area ──────────────────────────────────────────── */
.tool-area{background:var(--bg);display:flex;min-height:calc(100vh - var(--nav-h) - 46px);}
.tool-content{flex:1;overflow-y:auto;background:var(--bg);}

/* ── Sidebar ────────────────────────────────────────────── */
.tool-sidebar{width:230px;flex-shrink:0;background:var(--bg-white);border-right:1px solid var(--border);padding:14px 0;position:sticky;top:calc(var(--nav-h) + 46px);height:calc(100vh - var(--nav-h) - 46px);overflow-y:auto;display:flex;flex-direction:column;}
.sidebar-section{padding:4px 10px;}
.sidebar-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text3);padding:8px 8px 4px;}
.sidebar-hint{font-size:11px;color:var(--text3);padding:2px 8px;line-height:1.5;}

.sidebar-nav-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:6px;color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;transition:all var(--transition);background:none;border:none;width:100%;text-align:left;text-decoration:none;}
.sidebar-nav-item:hover{background:#f3f4f6;color:var(--text);}
.sidebar-nav-item.active{background:var(--accent-light);color:var(--accent);}
.sidebar-nav-item .icon{font-size:14px;width:18px;text-align:center;}

/* Sort Tabs in sidebar */
.sort-tabs{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.sort-tab{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:6px;background:#f9fafb;border:1.5px solid var(--border);color:var(--text2);font-size:12px;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:var(--font);text-align:left;width:100%;}
.sort-tab:hover{border-color:var(--accent);background:var(--accent-light);}
.sort-tab.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent);}
.sort-tab:disabled{opacity:.5;cursor:not-allowed;}
.sort-tab-icon{font-size:14px;}
.sort-tab-label{flex:1;}
.sort-tab-count{font-size:10px;background:var(--border);padding:2px 7px;border-radius:10px;color:var(--text3);}
.sort-tab.active .sort-tab-count{background:var(--accent);color:#fff;}

.sidebar-check{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text2);cursor:pointer;padding:4px 8px;font-weight:500;}
.sidebar-check input{width:14px;height:14px;accent-color:var(--accent);}

/* Download buttons */
.dl-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 14px;border-radius:6px;font-weight:600;font-size:13px;cursor:pointer;border:none;transition:all var(--transition);font-family:var(--font);}
.dl-btn.primary{background:var(--accent);color:#fff;}
.dl-btn.primary:hover{background:var(--accent-hover);}
.dl-btn.accent{background:#059669;color:#fff;}
.dl-btn.accent:hover{background:#047857;}
.dl-btn.ghost{background:transparent;border:1.5px solid var(--border);color:var(--text2);}
.dl-btn.ghost:hover{border-color:var(--accent);color:var(--accent);}
.dl-btn:disabled{opacity:.45;cursor:not-allowed;}

/* ── Upload ─────────────────────────────────────────────── */
.upload-state{max-width:640px;margin:48px auto;padding:0 20px;}
.upload-card{background:var(--bg-white);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow);text-align:center;border:1px solid var(--border);}
.upload-card .upload-icon{font-size:44px;margin-bottom:12px;}
.upload-card h2{color:var(--text);font-size:20px;margin-bottom:6px;}
.upload-card p{color:var(--text2);font-size:14px;}
.upload-card .upload-sub{color:var(--text3);font-size:12px;margin-bottom:20px;}
.upload-zone{border:2px dashed var(--border2);border-radius:var(--radius);padding:32px 24px;cursor:pointer;transition:all var(--transition);background:#fafbfc;margin:0;}
.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent);background:var(--accent-light);}
.upload-zone p{font-size:13px;color:var(--text3);}
.upload-btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;padding:10px 24px;border-radius:6px;font-weight:600;font-size:14px;margin-top:14px;cursor:pointer;border:none;transition:background var(--transition);}
.upload-btn:hover{background:var(--accent-hover);}

/* ── Summary Stats ──────────────────────────────────────── */
.summary-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;padding:16px;background:var(--bg);}
.stat-card{background:var(--bg-white);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--border);}
.stat-card .stat-label{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text3);margin-bottom:4px;}
.stat-card .stat-value{font-size:26px;font-weight:800;line-height:1;margin-bottom:3px;color:var(--text);}
.stat-card .stat-desc{font-size:10px;color:var(--text3);}
.stat-value.cod{color:var(--orange);}
.stat-value.prepaid{color:var(--green);}
.stat-value.multi{color:var(--purple);}
.stat-value.revenue{color:var(--text);}

/* ── Content Sections ───────────────────────────────────── */
.content-section{padding:16px;background:var(--bg-white);margin:0 16px 12px;border-radius:var(--radius);border:1px solid var(--border);}
.section-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text2);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.section-title::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);flex-shrink:0;}
.section-badge{font-size:12px;font-weight:400;color:var(--text3);margin-left:6px;text-transform:none;letter-spacing:0;}

/* ── Courier Cards ──────────────────────────────────────── */
.courier-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px;margin-bottom:16px;}
.courier-card{padding:12px;border-radius:var(--radius);border:1px solid var(--border);}
.courier-card .c-name{font-size:11px;font-weight:600;margin-bottom:2px;}
.courier-card .c-count{font-size:24px;font-weight:800;line-height:1;}
.courier-card .c-pct{font-size:10px;color:var(--text3);margin-top:2px;}
.courier-card.valmo{background:#f0f7ff;border-color:#bfdbfe;}.valmo .c-name,.valmo .c-count{color:#2563eb;}
.courier-card.delhivery{background:#fff7ed;border-color:#fed7aa;}.delhivery .c-name,.delhivery .c-count{color:#c2410c;}
.courier-card.xpressbees{background:#f0fdf4;border-color:#bbf7d0;}.xpressbees .c-name,.xpressbees .c-count{color:#15803d;}
.courier-card.shadowfax{background:#faf5ff;border-color:#e9d5ff;}.shadowfax .c-name,.shadowfax .c-count{color:#7e22ce;}
.courier-card.other{background:#fff1f2;border-color:#fecdd3;}.other .c-name,.other .c-count{color:#be123c;}

/* Bars */
.courier-bars{display:flex;flex-direction:column;gap:6px;}
.courier-bar-row{display:grid;grid-template-columns:100px 1fr 36px;align-items:center;gap:8px;}
.courier-bar-label{font-size:12px;color:var(--text2);font-weight:500;}
.courier-bar-track{background:#e5e7eb;border-radius:3px;height:8px;overflow:hidden;}
.courier-bar-fill{height:100%;border-radius:3px;transition:width .4s ease;}
.courier-bar-row .c-num{font-size:12px;font-weight:700;color:var(--text);text-align:right;}

/* Multi-qty rows */
.multi-qty-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;background:var(--bg);border-radius:6px;margin-bottom:4px;font-size:12px;border:1px solid var(--border);}
.pg-badge{background:var(--accent);color:#fff;padding:2px 8px;border-radius:12px;font-size:10px;font-weight:700;}
.sku-tag{background:#f1f5f9;color:var(--text);padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600;}
.qty-badge{background:#dbeafe;color:#1d4ed8;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700;}
.amount-tag{font-weight:700;color:var(--text);}
.pay-badge{padding:2px 8px;border-radius:12px;font-size:10px;font-weight:700;}
.pay-prepaid{background:var(--green-bg);color:var(--green);}
.pay-cod{background:var(--orange-bg);color:var(--orange);}

/* SKU grid */
.sku-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;}
.sku-card{background:var(--bg);border-radius:6px;padding:14px;border:1px solid var(--border);border-left:3px solid var(--accent);}
.sku-card .sku-name{font-size:13px;font-weight:700;color:var(--text);margin-bottom:2px;}
.sku-card .sku-qty{font-size:20px;font-weight:800;color:var(--accent);}
.sku-card .sku-info{font-size:10px;color:var(--text3);margin-top:2px;}

/* Data table */
.data-table{width:100%;border-collapse:collapse;font-size:13px;}
.data-table th{text-align:left;font-size:11px;font-weight:600;color:var(--text3);padding:10px 12px;border-bottom:2px solid var(--border);text-transform:uppercase;letter-spacing:.03em;background:var(--bg);}
.data-table td{padding:10px 12px;border-bottom:1px solid #f3f4f6;color:var(--text2);}
.data-table tr:hover td{background:#f9fafb;}

/* State expandable rows */
.state-row:hover td{background:#f0f4ff !important;}
.state-toggle{display:inline-block;font-size:10px;color:var(--accent);margin-right:6px;transition:transform .15s;width:12px;}
.state-detail-row td{background:#f8fafc !important;}
.state-pages-wrap{padding:12px 16px 14px;border-left:3px solid var(--accent);margin:4px 0 4px 24px;background:#fff;border-radius:0 6px 6px 0;}
.state-pages-header{font-size:12px;color:var(--text2);margin-bottom:10px;}
.state-pages-badges{display:flex;flex-direction:column;gap:5px;}
.state-page-chip{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--bg);border-radius:6px;font-size:12px;flex-wrap:wrap;border:1px solid var(--border);}
.state-page-chip:hover{background:#eef3ff;}
.state-page-name{color:var(--text);font-weight:500;min-width:80px;}

/* ── Preview Panel ──────────────────────────────────────── */
.preview-panel{margin-top:16px;padding-top:16px;border-top:1px solid var(--border);}
.preview-options{display:flex;align-items:center;gap:16px;margin-bottom:12px;flex-wrap:wrap;}
.mode-toggle{display:flex;gap:0;background:var(--bg);border-radius:6px;padding:2px;border:1px solid var(--border);}
.mode-btn{color:var(--text3);font-size:12px;font-weight:500;padding:6px 14px;border-radius:5px;transition:all var(--transition);cursor:pointer;background:none;border:none;font-family:var(--font);}
.mode-btn:hover{color:var(--text);}
.mode-btn.active{background:var(--bg-white);color:var(--accent);box-shadow:var(--shadow);font-weight:600;}

.preview-canvas-wrap{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;min-height:300px;overflow:hidden;padding:12px;}
.preview-placeholder-msg{text-align:center;color:var(--text3);font-size:13px;}
.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);}}

.preview-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:10px;}
.page-btn{background:var(--bg-white);border:1px solid var(--border);color:var(--text2);width:32px;height:32px;border-radius:6px;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition);}
.page-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent);}
.page-btn:disabled{opacity:.3;cursor:not-allowed;}
.page-info{font-size:12px;color:var(--text3);min-width:60px;text-align:center;font-weight:600;}
.crop-info{text-align:center;font-size:11px;color:var(--text3);margin-top:6px;}

/* Order filters */
.order-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;padding:10px 0;}
.order-filters select{padding:7px 10px;border:1px solid var(--border);border-radius:6px;font-size:12px;color:var(--text);background:var(--bg-white);font-family:var(--font);cursor:pointer;min-width:120px;}
.order-filters select:focus{outline:none;border-color:var(--accent);}

/* SKU grouped list */
.sku-group{margin-bottom:16px;}
.sku-group-header{font-size:13px;font-weight:700;color:var(--text);margin-bottom:8px;display:flex;align-items:center;gap:8px;text-transform:uppercase;}
.sku-group-header::before{content:'📦';font-size:14px;}
.sku-group-orders{display:flex;flex-direction:column;gap:4px;}

/* ── Profit Calculator ──────────────────────────────────── */
.profit-calc-wrapper{display:grid;grid-template-columns:380px 1fr 300px;min-height:calc(100vh - 100px);}
.calc-left{background:var(--bg-white);border-right:1px solid var(--border);padding:24px;}
.calc-section-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text3);display:flex;align-items:center;gap:6px;margin:14px 0 8px;}
.calc-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px;}
.calc-field{display:flex;flex-direction:column;gap:3px;}
.calc-field label{font-size:11px;font-weight:600;color:var(--text2);}
.calc-input-wrap{position:relative;display:flex;align-items:center;}
.calc-input-wrap .prefix{position:absolute;left:10px;color:var(--text3);font-weight:600;font-size:12px;}
.calc-input-wrap .suffix{position:absolute;right:10px;color:var(--text3);font-size:11px;}
.calc-input-wrap input{width:100%;padding:8px 12px 8px 22px;border:1px solid var(--border);border-radius:6px;font-size:13px;color:var(--text);background:var(--bg);font-family:var(--font);transition:border-color var(--transition);}
.calc-input-wrap input:focus{outline:none;border-color:var(--accent);background:var(--bg-white);}
.calc-input-wrap.has-suffix input{padding-right:28px;}

.calc-middle{background:var(--bg);padding:24px;display:flex;flex-direction:column;gap:12px;}
.result-box{background:var(--bg-white);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border);}
.result-box.profit{border-color:#bbf7d0;background:var(--green-bg);}
.result-box.loss{border-color:#fecdd3;background:var(--red-bg);}
.result-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;}
.result-box.profit .result-label,.result-box.profit .result-amount{color:var(--green);}
.result-box.loss .result-label,.result-box.loss .result-amount{color:var(--red);}
.result-amount{font-size:44px;font-weight:800;line-height:1;}
.margin-badge{display:inline-flex;padding:5px 16px;border-radius:16px;font-size:12px;font-weight:700;margin-top:10px;}
.margin-badge.green{background:var(--green);color:#fff;}
.margin-badge.red{background:var(--red);color:#fff;}
.result-breakdown{background:var(--bg-white);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);border:1px solid var(--border);}
.result-breakdown h4{font-size:12px;font-weight:700;color:var(--text2);margin-bottom:12px;display:flex;align-items:center;gap:6px;}
.breakdown-row{display:grid;grid-template-columns:10px 1fr auto;gap:8px;align-items:center;margin-bottom:6px;font-size:12px;}
.breakdown-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}
.breakdown-bar-wrap{background:#e5e7eb;border-radius:3px;height:5px;overflow:hidden;margin-top:2px;}
.breakdown-bar{height:100%;border-radius:3px;}
.breakdown-val{font-weight:700;color:var(--text);font-size:11px;}

.calc-right{background:var(--bg-dark);border-left:1px solid rgba(255,255,255,.05);padding:24px;color:#f1f5f9;}
.calc-right h3{font-size:13px;font-weight:700;margin-bottom:3px;}
.calc-right p{font-size:11px;color:var(--text3);margin-bottom:16px;}
.daily-input-wrap{background:rgba(255,255,255,.05);border-radius:6px;padding:10px 12px;margin-bottom:16px;}
.daily-input-wrap label{font-size:10px;color:rgba(255,255,255,.4);margin-bottom:2px;display:block;}
.daily-input-wrap input{width:100%;background:transparent;border:none;color:#fff;font-size:22px;font-weight:800;outline:none;}
.proj-section-title{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.3);margin:12px 0 8px;}
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px;}
.proj-card{background:rgba(255,255,255,.04);border-radius:6px;padding:10px;}
.proj-card .p-label{font-size:10px;color:rgba(255,255,255,.3);margin-bottom:2px;}
.proj-card .p-value{font-size:16px;font-weight:800;color:#f1f5f9;}
.proj-card .p-sub{font-size:9px;color:rgba(255,255,255,.2);}
.proj-summary{background:rgba(255,255,255,.03);border-radius:6px;padding:10px;margin-top:10px;}
.proj-row{display:flex;justify-content:space-between;align-items:center;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:12px;}
.proj-row:last-child{border-bottom:none;}
.proj-row .p-label{color:rgba(255,255,255,.5);}
.proj-row .p-val{font-weight:700;color:var(--accent);}
.monthly-net-box{background:linear-gradient(135deg,rgba(59,108,244,.1),rgba(124,58,237,.1));border:1px solid rgba(59,108,244,.15);border-radius:var(--radius);padding:16px;text-align:center;margin-top:12px;}
.monthly-net-box .mn-label{font-size:10px;color:rgba(255,255,255,.3);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;}
.monthly-net-box .mn-value{font-size:32px;font-weight:800;color:#4ade80;}
.monthly-net-box .mn-sub{font-size:10px;color:rgba(255,255,255,.3);margin-top:3px;}

.preview-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:200px;color:var(--text3);gap:8px;}

/* ── PDF Merge ──────────────────────────────────────────── */
.pdf-merge-wrap{max-width:640px;margin:40px auto;padding:0 20px;}
.merge-card{background:var(--bg-white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border);}
.merge-drop{border:2px dashed var(--border2);border-radius:var(--radius);padding:32px 20px;text-align:center;cursor:pointer;transition:all var(--transition);background:#fafbfc;}
.merge-drop:hover{border-color:var(--accent);background:var(--accent-light);}
.merge-file-list{list-style:none;margin:12px 0;display:flex;flex-direction:column;gap:6px;}
.merge-file-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg);border-radius:6px;cursor:grab;font-size:12px;color:var(--text);border:1px solid var(--border);}
.merge-file-item .file-name{flex:1;}
.merge-file-item .remove-btn{background:none;border:none;color:var(--text3);cursor:pointer;font-size:14px;padding:2px;}
.merge-file-item .remove-btn:hover{color:var(--red);}

/* ── Public Sections ────────────────────────────────────── */
.section{padding:72px 20px;}.container{max-width:1100px;margin:0 auto;padding:0 20px;}
.section-light{background:#fff;}
.section-gray{background:#f5f6f8;}
.section-dark{background:#f0f2f5;}
.section-heading{text-align:center;margin-bottom:40px;}
.section-heading h2{font-size:28px;margin-bottom:10px;color:var(--text);}
.section-heading p{color:var(--text2);max-width:560px;margin:0 auto;font-size:14px;}

.features-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;transition:transform var(--transition);}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.feature-icon{font-size:24px;margin-bottom:10px;}
.feature-card h3{font-size:15px;margin-bottom:6px;color:var(--text);}
.feature-card p{font-size:13px;color:var(--text2);line-height:1.6;}

.steps-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:12px;}
.step-card{background:var(--bg-white);border-radius:var(--radius);padding:20px 14px;text-align:center;box-shadow:var(--shadow);border:1px solid var(--border);}
.step-num{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 10px;}
.step-card h3{font-size:13px;color:var(--text);margin-bottom:4px;}
.step-card p{font-size:11px;color:var(--text2);line-height:1.5;}

.help-grid{max-width:900px;margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.help-card{background:var(--bg-white);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border-left:3px solid var(--accent);display:flex;gap:14px;border:1px solid var(--border);border-left:3px solid var(--accent);}
.help-card .help-icon{font-size:24px;flex-shrink:0;}
.help-card h3{font-size:14px;color:var(--text);margin-bottom:4px;}
.help-card p{font-size:13px;color:var(--text2);}

.kf-wrap{max-width:900px;margin:0 auto;}
.kf-text p{margin-bottom:10px;color:var(--text2);}
.kf-bullets{list-style:none;margin-top:12px;}
.kf-bullets li{display:flex;align-items:flex-start;gap:8px;padding:7px 0;font-size:13px;color:var(--text2);border-bottom:1px solid var(--border);}
.kf-bullets li::before{content:'✓';color:var(--green);font-weight:700;flex-shrink:0;}

.faq-wrap{max-width:700px;margin:0 auto;}
.faq-item{border:1px solid var(--border);border-radius:6px;margin-bottom:8px;overflow:hidden;background:var(--bg-white);}
.faq-question{padding:16px 18px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:14px;color:var(--text);user-select:none;}
.faq-question::after{content:'+';font-size:18px;color:var(--accent);flex-shrink:0;transition:transform var(--transition);}
.faq-item.active .faq-question::after{transform:rotate(45deg);}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-answer-inner{padding:0 18px 16px;color:var(--text2);font-size:13px;line-height:1.7;}

/* ── Blog ───────────────────────────────────────────────── */
.blog-hero{background:#f0f2f5;padding:52px 20px;text-align:center;border-bottom:1px solid var(--border);}
.blog-hero h1{font-size:32px;margin-bottom:10px;color:var(--text);}
.blog-hero p{color:var(--text2);max-width:460px;margin:0 auto;}
.blog-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:40px 20px;}
.blog-card{background:var(--bg-white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:transform var(--transition);display:flex;flex-direction:column;text-decoration:none;}
.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.blog-card-img{height:160px;background:linear-gradient(135deg,#1e293b,#334155);display:flex;align-items:center;justify-content:center;font-size:40px;}
.blog-card-img img{width:100%;height:100%;object-fit:cover;}
.blog-card-body{padding:16px;flex:1;}
.blog-meta{display:flex;gap:8px;align-items:center;margin-bottom:8px;}
.blog-date,.blog-read{font-size:10px;color:var(--text3);}
.blog-card h3{font-size:15px;color:var(--text);margin-bottom:6px;line-height:1.35;}
.blog-card p{font-size:12px;color:var(--text2);line-height:1.55;}
.blog-card-footer{padding:12px 16px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;}
.read-more{font-size:12px;font-weight:600;color:var(--accent);}

.post-hero{background:#f0f2f5;padding:48px 20px;border-bottom:1px solid var(--border);}
.post-meta{display:flex;gap:10px;align-items:center;margin-bottom:10px;flex-wrap:wrap;}
.post-tag{background:rgba(59,108,244,.15);color:var(--accent);padding:3px 10px;border-radius:16px;font-size:11px;font-weight:600;}
.post-date,.post-author,.post-read{font-size:11px;color:var(--text3);}
.post-hero h1{font-size:34px;max-width:750px;line-height:1.25;color:var(--text);}
.post-body{max-width:750px;margin:40px auto;padding:0 20px;}
.post-content h2{font-size:22px;color:var(--text);margin:28px 0 12px;}
.post-content p{color:var(--text2);font-size:14px;line-height:1.8;margin-bottom:14px;}
.post-content ul,.post-content ol{color:var(--text2);padding-left:22px;margin-bottom:14px;}
.post-content li{margin-bottom:6px;line-height:1.7;}
.post-content a{color:var(--accent);}
.post-related{background:var(--bg);padding:40px 20px;border-top:1px solid var(--border);}
.post-related h3{text-align:center;font-size:20px;margin-bottom:20px;}
.related-grid{max-width:800px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.related-card{background:var(--bg-white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:transform var(--transition);}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.related-card a{text-decoration:none;display:block;}
.related-card-img{height:100px;background:#f0f2f5;display:flex;align-items:center;justify-content:center;font-size:28px;overflow:hidden;}
.related-card-img img{width:100%;height:100%;object-fit:cover;}
.related-card-body{padding:12px;}
.related-card-body h4{font-size:13px;color:var(--text);line-height:1.35;}

/* Static pages */
.page-hero{background:#f0f2f5;padding:48px 20px 40px;border-bottom:1px solid var(--border);}
.page-hero h1{font-size:32px;color:var(--text);}
.page-body{max-width:780px;margin:40px auto;padding:40px;background:var(--bg-white);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);color:var(--text2);line-height:1.8;}
.page-body h2{font-size:20px;color:var(--text);margin:28px 0 10px;}
.page-body p{margin-bottom:12px;}
.page-body a{color:var(--accent);}

/* Contact */
.contact-form{max-width:560px;margin:40px auto;padding:0 20px 60px;}
.contact-card{background:var(--bg-white);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);border:1px solid var(--border);}
.form-group{margin-bottom:14px;}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text2);margin-bottom:4px;}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:13px;color:var(--text);font-family:var(--font);transition:border-color var(--transition);background:var(--bg);}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent);background:var(--bg-white);}
.form-group textarea{resize:vertical;min-height:100px;}
.form-success{background:var(--green-bg);border:1px solid #a7f3d0;color:#065f46;padding:10px 14px;border-radius:6px;font-size:13px;}
.form-error{background:var(--red-bg);border:1px solid #fecaca;color:#991b1b;padding:10px 14px;border-radius:6px;font-size:13px;}

/* 404 */
.not-found{text-align:center;padding:80px 20px;}
.not-found h1{font-size:72px;font-weight:900;color:var(--accent);line-height:1;}
.not-found h2{font-size:24px;margin-bottom:10px;}
.not-found p{color:var(--text3);margin-bottom:24px;}

/* ── Footer ─────────────────────────────────────────────── */
.site-footer{background:#0a0f1a;border-top:1px solid rgba(255,255,255,.05);padding-top:48px;}
.footer-inner{max-width:1100px;margin:0 auto;padding:0 20px 40px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;}
.footer-logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:16px;margin-bottom:10px;text-decoration:none;}
.footer-tagline{color:rgba(255,255,255,.4);font-size:12px;line-height:1.6;margin-bottom:12px;}
.footer-badges{display:flex;gap:6px;flex-wrap:wrap;}
.footer-badges span{padding:3px 10px;border-radius:16px;font-size:10px;font-weight:600;}
.badge-free{background:rgba(34,197,94,.1);color:#4ade80;}
.badge-no-login{background:rgba(239,68,68,.1);color:#f87171;}
.badge-secure{background:rgba(59,108,244,.1);color:#7db4ff;}
.footer-links-col h4{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.25);margin-bottom:12px;}
.footer-links-col ul{list-style:none;}
.footer-links-col li{margin-bottom:6px;}
.footer-links-col a{color:rgba(255,255,255,.45);font-size:12px;transition:color var(--transition);}
.footer-links-col a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding:14px 20px;text-align:center;color:rgba(255,255,255,.25);font-size:11px;}

.ad-slot{text-align:center;padding:10px 0;overflow:hidden;}

/* ── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar{width:5px;height:5px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px;}

/* ── Responsive ─────────────────────────────────────────── */
@media(max-width:1100px){
  .summary-stats{grid-template-columns:repeat(3,1fr);}
  .profit-calc-wrapper{grid-template-columns:1fr;}
  .calc-right{display:none;}
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .blog-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .tool-sidebar{display:none;}
  .tool-area{flex-direction:column;}
  .summary-stats{grid-template-columns:repeat(2,1fr);}
  .courier-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);max-width:400px;}
  .help-grid{grid-template-columns:1fr;}
  .features-grid{grid-template-columns:1fr;}
  .blog-grid{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
  .post-hero h1{font-size:24px;}
  .blog-hero h1{font-size:24px;}
  .page-body{padding:20px;}
  .section{padding:40px 14px;}
  .content-section{margin:0 8px 10px;}
  .multi-qty-row{font-size:11px;gap:6px;padding:8px;}
}
@media(max-width:480px){
  .summary-stats{grid-template-columns:1fr 1fr;}
  .stat-card .stat-value{font-size:22px;}
  .courier-grid{grid-template-columns:1fr 1fr;}
  .footer-inner{grid-template-columns:1fr;}
  .result-amount{font-size:36px;}
  .steps-grid{grid-template-columns:1fr;max-width:300px;}
}