*{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2563EB;--primary-light:#EFF6FF;--primary-dark:#1D4ED8;
  --green:#16A34A;--green-bg:#F0FDF4;--green-light:#DCFCE7;
  --red:#DC2626;--red-bg:#FEF2F2;--red-light:#FEE2E2;
  --orange:#EA580C;--orange-bg:#FFF7ED;
  --purple:#7C3AED;--purple-bg:#F5F3FF;
  --teal:#0D9488;--teal-bg:#F0FDFA;
  --gray:#6B7280;--gray-light:#F9FAFB;--gray-border:#E5E7EB;
  --text:#111827;--text2:#374151;--text3:#6B7280;--text4:#9CA3AF;
  --white:#FFFFFF;--bg:#F3F4F6;
  --sidebar-w:240px;--topbar-h:60px;
  --radius:8px;--radius-lg:12px;--radius-xl:16px;
  --shadow:0 1px 2px rgba(0,0,0,.05);
  --shadow-md:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);
}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5}

/* ===== LAYOUT ===== */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-w);background:var(--white);border-right:1px solid var(--gray-border);position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100;display:flex;flex-direction:column}
.main-area{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{height:var(--topbar-h);background:var(--white);border-bottom:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:50}
.content{padding:24px;flex:1}

/* ===== SIDEBAR ===== */
.sidebar-brand{padding:16px 16px 12px;border-bottom:1px solid var(--gray-border)}
.brand-logo{display:flex;align-items:center;gap:8px}
.brand-icon{width:32px;height:32px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:14px}
.brand-name{font-weight:700;font-size:15px;color:var(--text)}
.brand-sub{font-size:11px;color:var(--text3);margin-top:1px}
.nav-section-label{padding:12px 16px 4px;font-size:10px;font-weight:600;color:var(--text4);text-transform:uppercase;letter-spacing:.08em}
.nav-link{display:flex;align-items:center;gap:10px;padding:8px 16px;font-size:13px;color:var(--text2);cursor:pointer;border-radius:6px;margin:1px 8px;transition:all .12s}
.nav-link:hover{background:var(--gray-light);color:var(--text)}
.nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:500}
.nav-link svg{width:16px;height:16px;flex-shrink:0;opacity:.7}
.nav-link.active svg{opacity:1}
.nav-sub{padding-left:12px}
.nav-sub .nav-link{font-size:12px;padding:6px 12px}
.sidebar-footer{margin-top:auto;padding:12px;border-top:1px solid var(--gray-border)}
.ai-btn{display:flex;align-items:center;gap:8px;background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 14px;font-size:13px;font-weight:500;cursor:pointer;width:100%;font-family:'Inter',sans-serif}
.ai-btn:hover{background:var(--primary-dark)}

/* ===== TOPBAR ===== */
.page-breadcrumb{font-size:18px;font-weight:600;color:var(--text)}
.topbar-right{display:flex;align-items:center;gap:10px}
.period-tabs{display:flex;background:var(--gray-light);border-radius:var(--radius);padding:2px;gap:2px}
.period-tab{padding:5px 12px;border-radius:6px;border:none;background:transparent;font-size:12px;color:var(--text3);cursor:pointer;font-family:'Inter',sans-serif;transition:all .12s}
.period-tab.active{background:var(--white);color:var(--primary);font-weight:500;box-shadow:var(--shadow)}
.topbar-search{display:flex;align-items:center;gap:8px;background:var(--gray-light);border:1px solid var(--gray-border);border-radius:var(--radius);padding:6px 12px;min-width:220px}
.topbar-search input{border:none;background:transparent;font-size:13px;color:var(--text);outline:none;width:100%;font-family:'Inter',sans-serif}
.topbar-search input::placeholder{color:var(--text4)}

/* ===== PAGES ===== */
.page{display:none}.page.active{display:block}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius);border:1px solid var(--gray-border);background:var(--white);color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;font-family:'Inter',sans-serif;transition:all .12s;white-space:nowrap}
.btn:hover{background:var(--gray-light)}
.btn-primary{background:var(--primary);color:#fff;border-color:transparent}
.btn-primary:hover{background:var(--primary-dark)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-danger{background:var(--red-bg);color:var(--red);border-color:var(--red-light)}
.btn-ghost{border:none;background:transparent;color:var(--text3)}
.btn-ghost:hover{background:var(--gray-light);color:var(--text)}

/* ===== METRIC CARDS ===== */
.metrics-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.metric-card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-border);padding:20px;box-shadow:var(--shadow)}
.metric-card .mc-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.metric-card .mc-label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}
.metric-card .mc-value{font-size:22px;font-weight:700;color:var(--text)}
.metric-card .mc-sub{font-size:11px;color:var(--text4);margin-top:3px}
.metric-card .mc-badge{display:inline-flex;align-items:center;gap:3px;font-size:11px;font-weight:600;padding:2px 6px;border-radius:4px;margin-top:6px}
.badge-up{background:#DCFCE7;color:#16A34A}
.badge-down{background:#FEE2E2;color:#DC2626}

/* ===== HERO BANNER ===== */
.hero-banner{border-radius:var(--radius-xl);padding:28px 32px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between}
.hero-banner.green{background:linear-gradient(135deg,#16A34A,#15803D)}
.hero-banner.red{background:linear-gradient(135deg,#DC2626,#B91C1C)}
.hero-banner.blue{background:linear-gradient(135deg,#2563EB,#1D4ED8)}
.hero-title{font-size:11px;font-weight:600;color:rgba(255,255,255,.7);text-transform:uppercase;letter-spacing:.08em;margin-bottom:4px}
.hero-value{font-size:36px;font-weight:700;color:#fff}
.hero-sub{font-size:12px;color:rgba(255,255,255,.7);margin-top:4px}
.hero-formula{display:flex;align-items:center;gap:12px}
.hero-pill{background:rgba(255,255,255,.15);border-radius:8px;padding:10px 16px;text-align:center}
.hero-pill-label{font-size:10px;color:rgba(255,255,255,.7);text-transform:uppercase;margin-bottom:2px}
.hero-pill-val{font-size:16px;font-weight:700;color:#fff}
.hero-op{font-size:20px;color:rgba(255,255,255,.6);font-weight:300}

/* ===== CARDS ===== */
.card{background:var(--white);border-radius:var(--radius-lg);border:1px solid var(--gray-border);box-shadow:var(--shadow);margin-bottom:20px;overflow:hidden}
.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:14px;font-weight:600;color:var(--text)}
.card-subtitle{font-size:12px;color:var(--text3);margin-top:1px}
.card-body{padding:20px}

/* ===== TABLES ===== */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{padding:10px 16px;text-align:left;font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.06em;background:var(--gray-light);border-bottom:1px solid var(--gray-border)}
tbody tr{border-bottom:1px solid var(--gray-border);transition:background .1s}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:var(--gray-light)}
td{padding:12px 16px;color:var(--text2);vertical-align:middle}
td.green{color:var(--green);font-weight:600}
td.red{color:var(--red);font-weight:600}
td.muted{color:var(--text4)}
td.bold{font-weight:600;color:var(--text)}

/* ===== BADGES ===== */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;padding:3px 8px;border-radius:20px}
.badge-green{background:var(--green-light);color:var(--green)}
.badge-red{background:var(--red-light);color:var(--red)}
.badge-blue{background:#DBEAFE;color:#1D4ED8}
.badge-orange{background:#FED7AA;color:#C2410C}
.badge-purple{background:#EDE9FE;color:#6D28D9}
.badge-gray{background:var(--gray-border);color:var(--gray)}

/* ===== FORMS ===== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
.fg-full{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-label{font-size:12px;font-weight:500;color:var(--text2)}
.form-input{padding:8px 12px;border:1px solid var(--gray-border);border-radius:var(--radius);font-family:'Inter',sans-serif;font-size:13px;color:var(--text);background:var(--white);transition:border-color .15s;outline:none}
.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
select.form-input{cursor:pointer}
textarea.form-input{resize:vertical;min-height:80px}
.form-input[readonly]{background:var(--gray-light);color:var(--text3)}
.form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}

/* ===== MODAL ===== */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.modal-overlay.open{display:flex}
.modal{background:var(--white);border-radius:var(--radius-xl);padding:28px;width:560px;max-width:95vw;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);position:relative}
.modal-sm{width:420px}
.modal-lg{width:680px}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}
.modal-title{font-size:18px;font-weight:700;color:var(--text)}
.modal-close{background:none;border:none;cursor:pointer;color:var(--text3);font-size:20px;padding:4px;border-radius:4px;transition:background .12s}
.modal-close:hover{background:var(--gray-light)}

/* ===== RESULT LINES ===== */
.pnl-block{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-border)}
.pnl-line{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;border-bottom:1px solid var(--gray-border);font-size:13px}
.pnl-line:last-child{border-bottom:none}
.pnl-line.header{background:var(--gray-light);font-weight:600}
.pnl-line.total{background:var(--primary-light);font-weight:700;font-size:15px}
.pnl-line.total-green{background:var(--green-bg);font-weight:700;font-size:15px}
.pnl-line.total-red{background:var(--red-bg);font-weight:700;font-size:15px}
.pnl-label{color:var(--text2)}
.pnl-val{font-weight:500}
.pnl-val.green{color:var(--green)}
.pnl-val.red{color:var(--red)}
.pnl-val.blue{color:var(--primary)}

/* ===== PRODUCT GRID ===== */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;padding:20px}
.product-card{border:1px solid var(--gray-border);border-radius:var(--radius-lg);overflow:hidden;cursor:pointer;transition:all .15s;background:var(--white)}
.product-card:hover{box-shadow:var(--shadow-md);border-color:#D1D5DB}
.product-card-img{height:140px;background:var(--gray-light);display:flex;align-items:center;justify-content:center;font-size:40px;position:relative}
.product-card-stock{position:absolute;top:8px;right:8px}
.product-card-body{padding:12px}
.product-card-name{font-size:12px;font-weight:600;color:var(--text);margin-bottom:4px;line-height:1.3}
.product-card-price{font-size:13px;font-weight:700;color:var(--primary)}
.product-card-rev{font-size:11px;color:var(--text3)}

/* ===== ACCOUNT CARDS ===== */
.account-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:16px}
.account-card{border:1px solid var(--gray-border);border-radius:var(--radius-lg);padding:20px;background:var(--white);cursor:pointer;transition:all .15s}
.account-card:hover{box-shadow:var(--shadow-md)}
.account-card.add{border-style:dashed;display:flex;align-items:center;justify-content:center;color:var(--text3);font-size:13px;gap:8px;min-height:120px}
.account-card.add:hover{border-color:var(--primary);color:var(--primary)}
.account-name{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;margin-bottom:4px}
.account-type{font-size:11px;color:var(--text4);margin-bottom:12px}
.account-balance{font-size:24px;font-weight:700;color:var(--text);margin-bottom:16px}
.account-actions{display:flex;gap:8px}
.account-btn{flex:1;padding:6px 0;text-align:center;border-radius:var(--radius);font-size:12px;font-weight:500;cursor:pointer;border:1px solid var(--gray-border);background:var(--white);font-family:'Inter',sans-serif}
.account-btn.deposit{color:var(--green);border-color:var(--green-light)}
.account-btn.deposit:hover{background:var(--green-bg)}
.account-btn.withdraw{color:var(--red);border-color:var(--red-light)}
.account-btn.withdraw:hover{background:var(--red-bg)}

/* ===== ALERTS ===== */
.alert{padding:12px 16px;border-radius:var(--radius);font-size:13px;margin-bottom:16px;display:flex;gap:10px;align-items:flex-start}
.alert-info{background:var(--primary-light);color:var(--primary-dark);border:1px solid #BFDBFE}
.alert-warn{background:var(--orange-bg);color:var(--orange);border:1px solid #FED7AA}

/* ===== UTILITIES ===== */
.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}
.flex-center{display:flex;align-items:center;gap:8px}
.gap-8{gap:8px}.gap-12{gap:12px}
.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.text-right{text-align:right}
.text-green{color:var(--green)}.text-red{color:var(--red)}.text-blue{color:var(--primary)}
.fw-600{font-weight:600}.fw-700{font-weight:700}
.fs-12{font-size:12px}.fs-11{font-size:11px}
.color-muted{color:var(--text3)}
.divider{border:none;border-top:1px solid var(--gray-border);margin:16px 0}
.empty{text-align:center;padding:48px 20px;color:var(--text4)}
.empty-icon{font-size:36px;margin-bottom:8px}
.section-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.chip{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:500;border:1px solid var(--gray-border);cursor:pointer;background:var(--white)}
.chip.active{background:var(--primary);color:#fff;border-color:transparent}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex-shrink:0}
.icon-btn{width:30px;height:30px;border-radius:6px;border:1px solid var(--gray-border);background:var(--white);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--text3);font-size:14px;transition:all .12s}
.icon-btn:hover{background:var(--gray-light)}
.icon-btn.red:hover{background:var(--red-bg);color:var(--red);border-color:var(--red-light)}