:root {
    --bg:#f5f7fb; --card:#fff; --sidebar:#151b24; --sidebar-hover:#243149;
    --text:#151a23; --muted:#718096; --border:#e5e9f0;
    --blue:#2672e8; --green:#18a66a; --red:#ef6262; --purple:#7856d9;
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.app{min-height:100vh;display:flex}
.sidebar{width:238px;flex:0 0 238px;min-height:100vh;background:var(--sidebar);color:#fff;padding:24px 14px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;padding:0 12px 28px}
.logo-mark{color:#70a9ff;letter-spacing:-4px}
.nav{display:flex;flex-direction:column;gap:6px}
.nav a{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:9px;color:#cbd2df;font-size:15px}
.nav a:hover,.nav a.active{background:var(--sidebar-hover);color:#fff}
.main{flex:1;min-width:0}
.topbar{height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 32px}
.search{display:flex;align-items:center;gap:8px;width:320px;color:var(--muted)}
.search input{width:100%;border:0;outline:0;font-size:14px;background:transparent}
.profile{display:flex;align-items:center;gap:10px;font-weight:600}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#202936;color:#fff}
.content{padding:30px 34px 50px;max-width:1500px;margin:0 auto}
.content.narrow{max-width:850px;margin-left:0}
.page-title{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}
.page-title h1{margin:0 0 5px;font-size:30px}.page-title p,.card-header p{margin:0;color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:18px 0}
.stat-card,.card,.single-stat{background:var(--card);border:1px solid var(--border);border-radius:11px}
.stat-card{min-height:130px;padding:22px;display:flex;align-items:flex-start;gap:14px}
.stat-card span{display:block;color:var(--muted);font-size:14px;margin-bottom:9px}.stat-card strong{display:block;font-size:25px}
.stat-icon{width:40px;height:40px;flex:0 0 40px;display:grid;place-items:center;border-radius:9px;font-weight:700}
.stat-icon.green{background:#dff7eb;color:var(--green)}.stat-icon.blue{background:#e1edff;color:var(--blue)}
.stat-icon.purple{background:#eee8ff;color:var(--purple)}.stat-icon.red{background:#ffe5e5;color:var(--red)}
.dashboard-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(310px,1fr);gap:18px;margin-bottom:18px}
.card{padding:0;overflow:hidden}.card-header{padding:18px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--border)}
.card-header h2{margin:0 0 5px;font-size:18px}
.btn{border:0;border-radius:8px;padding:10px 15px;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{filter:brightness(.94)}.btn-secondary{background:#edf0f5;color:#344054}
.link{color:var(--blue);font-size:13px}
.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:700px}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase}tr:last-child td{border-bottom:0}
.product-thumb{width:42px;height:42px;object-fit:cover;border-radius:8px;background:#f0f2f5}.placeholder,.small-thumb{display:grid;place-items:center}
.tag{display:inline-block;padding:5px 9px;border-radius:7px;background:#eaf1ff;color:#2863bd;font-size:12px}
.sales-list{padding:8px 18px}.sale-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--border)}.sale-row:last-child{border-bottom:0}
.sale-product{display:flex;align-items:center;gap:10px}.sale-product small{display:block;margin-top:3px;color:var(--muted)}
.small-thumb{width:40px;height:40px;border-radius:8px;background:#f0f2f5;overflow:hidden}.small-thumb img{width:100%;height:100%;object-fit:cover}
.profit{color:var(--green);font-weight:700}.expense{color:var(--red);font-weight:700}
.chart-card{padding-bottom:20px}.chart-card canvas{height:300px!important;padding:18px}
.form-card{padding:24px;display:flex;flex-direction:column;gap:18px}.form-card label{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:600}
.form-card input,.form-card select{width:100%;padding:11px 12px;border:1px solid #d9dee7;border-radius:8px;outline:none;background:#fff}
.form-card input:focus,.form-card select:focus{border-color:var(--blue)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:8px}
.alert{padding:13px 15px;border-radius:8px;margin-bottom:18px}.alert.error{background:#fff0f0;color:#b42318;border:1px solid #ffd0d0}
.single-stat{padding:22px;margin-bottom:18px}.single-stat span{display:block;color:var(--muted);margin-bottom:7px}.single-stat strong{font-size:28px}
.empty{padding:30px 0;color:var(--muted);text-align:center}
.date-filter{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;display:flex;align-items:end;gap:10px}
.date-filter.compact{padding:8px}.date-filter input{padding:9px;border:1px solid #d9dee7;border-radius:7px;outline:none}.date-filter.large{margin-bottom:12px}
.date-filter.large label{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.dash{padding-bottom:10px;color:var(--muted)}
.quick-periods{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}.quick-periods a{background:#fff;border:1px solid var(--border);padding:8px 11px;border-radius:7px;font-size:13px;color:#4a5568}.quick-periods a:hover{border-color:#b7c9e8;color:var(--blue)}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr}}
@media(max-width:750px){.sidebar{width:72px;flex-basis:72px;padding:18px 8px}.logo span:last-child,.nav span{display:none}.logo{justify-content:center;padding:0 0 25px}.nav a{justify-content:center;padding:12px}.topbar{padding:0 18px}.search{width:180px}.content{padding:22px 16px 40px}.stats-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.page-title{align-items:flex-start;flex-direction:column}.date-filter{flex-wrap:wrap;width:100%}}
.auth-page{min-height:100vh;display:grid;place-items:center;padding:30px;background:var(--bg)}
.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--border);border-radius:14px;padding:32px;box-shadow:0 10px 35px rgba(20,30,50,.06)}
.auth-card.wide{width:min(620px,100%)}
.auth-logo{font-size:21px;font-weight:800;margin-bottom:28px}.auth-card h1{margin:0 0 6px;font-size:28px}.auth-subtitle{margin:0 0 22px;color:var(--muted)}
.auth-form{border:0;padding:0}.auth-bottom{text-align:center;color:var(--muted);font-size:14px;margin:18px 0 0}.auth-bottom a{color:var(--blue);font-weight:700}
.profile-menu{display:flex;align-items:center;gap:18px}.profile{display:flex;align-items:center;gap:10px}.profile small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.logout-link{color:var(--muted);font-size:13px}.logout-link:hover{color:var(--red)}
.profile-preview{display:flex;align-items:center;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--border)}.profile-preview img,.business-placeholder{width:64px;height:64px;border-radius:12px;object-fit:cover;background:#eef2f7}.business-placeholder{display:grid;place-items:center;font-size:27px}.profile-preview small{display:block;color:var(--muted);margin-top:4px}.muted{font-weight:400;color:var(--muted);font-size:12px}
.alert.success{background:#eaf9f1;color:#087443;border:1px solid #c9f0dc}

.btn-danger{background:#ffe5e5;color:#b42318}.btn-danger:hover{background:#ffd4d4}.btn-small{padding:7px 9px;font-size:12px}.inline-form{display:inline}.actions-cell{white-space:nowrap}.currency-note{padding:12px 14px;border-radius:8px;background:#f5f7fb;color:#4a5568;font-size:13px}

.modal{display:none;position:fixed;inset:0;z-index:1000;align-items:center;justify-content:center;padding:20px}.modal.is-open{display:flex}.modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(2px)}.modal-dialog{position:relative;width:min(440px,100%);background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px;box-shadow:0 24px 70px rgba(15,23,42,.22);text-align:center;z-index:1}.modal-close{position:absolute;right:13px;top:10px;border:0;background:transparent;color:var(--muted);font-size:27px;line-height:1;cursor:pointer}.modal-icon{width:48px;height:48px;margin:0 auto 14px;display:grid;place-items:center;border-radius:50%;background:#ffe5e5;font-size:21px}.modal-dialog h2{margin:0 0 8px;font-size:22px}.modal-dialog p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}.modal-actions{display:flex;justify-content:center;gap:10px;margin-top:24px}.modal-actions form{margin:0}.modal-open{overflow:hidden}

.sort-link{color:inherit;text-decoration:none;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}.sort-link:hover{color:var(--blue)}.sort-link span{font-size:11px;color:#98a2b3}
.list-filters{display:flex;flex-wrap:wrap;align-items:center;gap:9px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:16px}.list-filters input,.list-filters select{padding:9px 10px;border:1px solid #d9dee7;border-radius:7px;background:#fff;outline:none}.list-filters input[type=search]{min-width:240px;flex:1}.list-filters input:focus,.list-filters select:focus{border-color:var(--blue)}
.compact-stats{margin-top:0}.compact-stats .stat-card{min-height:105px;padding:17px}.compact-stats .stat-card strong{font-size:20px}

/* Charts */
.chart-card{position:relative;border-radius:16px;box-shadow:0 8px 30px rgba(15,23,42,.045);background:linear-gradient(180deg,#fff 0%,#fcfdff 100%)}
.chart-card .card-header{padding:20px 22px 16px;border-bottom:0}
.chart-card .card-header h2{font-size:17px;letter-spacing:-.15px}
.chart-card .card-header p{font-size:12px;margin-top:4px}
.chart-card canvas{display:block;height:330px!important;padding:8px 20px 20px}

@media(max-width:750px){
    .chart-card .card-header{padding:17px 16px 10px}
    .chart-card canvas{height:270px!important;padding:5px 12px 14px}
}

/* Analytics dashboard */
.analytics-chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:18px}
.analytics-chart-wide{grid-column:1/-1}
.chart-heading{align-items:flex-start!important}
.chart-eyebrow{display:block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#98a2b3;margin-bottom:5px}
.chart-heading h2{margin:0!important;font-size:17px!important}
.chart-heading p{margin-top:4px!important}
.chart-type-pill{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;color:#667085;background:#f7f9fc;border:1px solid #edf0f5;border-radius:999px;padding:8px 11px;white-space:nowrap}
.chart-type-pill .dot{width:7px;height:7px;border-radius:50%;display:inline-block}
.chart-type-pill .dot.blue{background:#2672e8}.chart-type-pill .dot.green{background:#18a66a}
.chart-canvas-wrap{position:relative;height:340px;padding:0 20px 18px}
.chart-canvas-small{height:285px}
.chart-canvas-wrap canvas{width:100%!important;height:100%!important;padding:0!important}
@media(max-width:900px){.analytics-chart-grid{grid-template-columns:1fr}.analytics-chart-wide{grid-column:auto}.chart-type-pill{display:none}}
@media(max-width:640px){.analytics-chart-grid{gap:12px}.chart-canvas-wrap{height:290px;padding:0 10px 14px}.chart-canvas-small{height:270px}.chart-heading{padding:16px 16px 10px!important}}