*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:#f4f7fb;color:#172033}aside{position:fixed;left:0;top:0;bottom:0;width:242px;background:#0f172a;color:#fff;padding:22px 14px;z-index:30}aside h2{font-size:20px;margin:0 10px 24px;font-weight:800}aside a{display:block;color:#cbd5e1;text-decoration:none;padding:11px 12px;border-radius:9px;margin:3px 0}aside a:hover{background:#1e293b;color:#fff}main{margin-left:242px;padding:0 28px 45px}header{height:76px;display:flex;align-items:center;justify-content:space-between;font-size:20px}header span{font-size:14px;color:#64748b}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.cards div,.panel{background:#fff;border:1px solid #e5eaf1;border-radius:16px;padding:18px;margin-bottom:18px;box-shadow:0 5px 18px rgba(15,23,42,.05)}.cards small{display:block;color:#64748b}.cards strong{display:block;font-size:26px;margin-top:8px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}input,select,textarea,button{font:inherit;padding:11px 12px;border:1px solid #d4dce7;border-radius:10px;width:100%;background:#fff}textarea{min-height:80px}button,.btn{background:#0f172a;color:#fff;border:0;cursor:pointer;text-decoration:none;text-align:center;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px}button:hover,.btn:hover{opacity:.92}table{width:100%;border-collapse:collapse}th,td{padding:12px 9px;border-bottom:1px solid #e8edf3;text-align:left;font-size:14px;vertical-align:middle}th{background:#f8fafc;color:#475569;font-size:12px;text-transform:uppercase;letter-spacing:.03em}.panel h3{margin-top:0}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.panel-head h3{margin:0}.panel-head a,.small-link{color:#2563eb;text-decoration:none;font-weight:700;font-size:13px}.muted-text,.muted{color:#64748b}.status{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:800;white-space:nowrap}.status.paid{background:#dcfce7;color:#166534}.status.partial{background:#fef3c7;color:#92400e}.status.unpaid{background:#e0f2fe;color:#075985}.status.overdue{background:#fee2e2;color:#991b1b}.setup-warning{max-width:760px}.setup-link{display:inline-block;background:#0f172a;color:#fff;text-decoration:none;padding:11px 16px;border-radius:9px}.mobile-menu{display:none;position:fixed;right:12px;top:12px;z-index:100;border:0;width:44px;height:44px;border-radius:12px;background:#111827;color:#fff;font-size:22px;box-shadow:0 4px 14px #0002}
/* Modern public invoice */
.public-page{min-height:100vh;background:linear-gradient(135deg,#eef2ff 0%,#f8fafc 52%,#ecfeff 100%)}.invoice-shell{width:min(920px,calc(100% - 28px));margin:34px auto;padding-bottom:35px}.invoice-card,.receipt-card{background:#fff;border:1px solid #e2e8f0;border-radius:24px;box-shadow:0 18px 55px rgba(15,23,42,.10);overflow:hidden}.invoice-card{padding:38px}.invoice-top{display:flex;justify-content:space-between;gap:30px}.brand-mark{width:44px;height:44px;border-radius:13px;background:#0f172a;color:#22d3ee;display:flex;align-items:center;justify-content:center;font-size:23px;margin-bottom:12px}.company-name{font-size:21px;font-weight:850;color:#0f172a}.company-sub{font-size:13px;color:#64748b;margin-top:5px;max-width:430px}.invoice-meta{text-align:right}.invoice-title{font-size:32px;font-weight:900;letter-spacing:.04em;color:#0f172a}.invoice-number{font-size:13px;color:#64748b;margin:4px 0 12px}.invoice-divider{height:1px;background:#e5e7eb;margin:28px 0}.invoice-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:28px}.invoice-grid span{display:block}.invoice-grid strong{display:block;font-size:17px;margin-top:7px}.invoice-grid p{margin:6px 0 0;color:#64748b;font-size:13px;line-height:1.55}.muted{font-size:11px;font-weight:800;letter-spacing:.08em}.invoice-table{border:1px solid #e5e7eb;border-radius:16px;overflow:hidden}.it-head,.it-row{display:grid;grid-template-columns:1fr auto;gap:20px;padding:15px 18px}.it-head{background:#f8fafc;color:#64748b;font-size:11px;font-weight:800;letter-spacing:.06em}.it-row{border-top:1px solid #e5e7eb}.it-row strong{display:block}.it-row small{display:block;color:#64748b;margin-top:4px}.invoice-total,.invoice-paid,.invoice-due{display:flex;justify-content:space-between;padding:10px 18px}.invoice-total{border-top:1px solid #e5e7eb;margin-top:3px;padding-top:18px;font-size:15px}.invoice-total strong{font-size:18px}.invoice-paid{color:#64748b}.invoice-due{font-size:16px;font-weight:800;background:#f8fafc}.invoice-due strong{font-size:20px}.invoice-message{margin-top:25px;padding:17px 18px;border-radius:15px;background:#f8fafc}.invoice-message p{margin:6px 0 0;color:#64748b;font-size:13px;line-height:1.55}.invoice-footer{display:flex;justify-content:space-between;gap:20px;margin-top:22px;color:#94a3b8;font-size:10px;word-break:break-all}.center{text-align:center}.invoice-icon{margin:auto;width:54px;height:54px;border-radius:50%;background:#fee2e2;color:#b91c1c;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:900}.receipt-card{max-width:620px;margin:70px auto;padding:34px;text-align:center}.receipt-success{width:62px;height:62px;margin:0 auto 15px;border-radius:50%;background:#dcfce7;color:#15803d;display:flex;align-items:center;justify-content:center;font-size:31px;font-weight:900}.receipt-card h1{margin:12px 0 8px;font-size:27px}.lead{color:#64748b;line-height:1.55}.receipt-amount{font-size:34px;font-weight:900;margin:24px 0;color:#0f172a}.receipt-info{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#e5e7eb;border:1px solid #e5e7eb;border-radius:15px;overflow:hidden;text-align:left}.receipt-info div{background:#fff;padding:13px}.receipt-info span,.receipt-info b{display:block}.receipt-info span{font-size:11px;color:#64748b;margin-bottom:4px}.receipt-info b{font-size:14px}.receipt-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.receipt-actions .wa{background:#15803d}.receipt-actions .btn:last-child{grid-column:1/-1}.hint{font-size:12px;color:#94a3b8}
@media(max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{grid-template-columns:1fr}.invoice-card{padding:26px}}
@media(max-width:800px){body{overflow-x:hidden}aside{position:fixed;left:0;top:0;bottom:0;width:270px;transform:translateX(-105%);transition:transform .2s ease;padding:18px;box-shadow:8px 0 24px #0002;overflow-y:auto}body.menu-open aside{transform:translateX(0)}main{margin-left:0;padding:0 12px 30px}.mobile-menu{display:block}header{height:64px;padding-right:58px;font-size:18px}.cards{gap:10px}.cards div,.panel{padding:14px;border-radius:13px}.cards strong{font-size:20px}.panel{overflow-x:auto}table{min-width:720px}.invoice-shell{width:min(100% - 16px,920px);margin:10px auto}.invoice-card{padding:20px;border-radius:18px}.invoice-top{flex-direction:column;gap:20px}.invoice-meta{text-align:left}.invoice-title{font-size:28px}.invoice-grid{grid-template-columns:1fr;gap:18px}.invoice-footer{flex-direction:column;gap:6px}.receipt-card{margin:25px auto;padding:24px;border-radius:18px}.receipt-info{grid-template-columns:1fr}.receipt-actions{grid-template-columns:1fr}.receipt-actions .btn:last-child{grid-column:auto}}
.filter-grid{display:grid;grid-template-columns:1fr 1fr auto auto;gap:10px;align-items:center}.reset-filter{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:10px 14px;border-radius:8px;background:#e2e8f0;color:#0f172a;text-decoration:none}.product-group{background:#fff;border:1px solid #e2e8f0;border-radius:18px;margin:0 0 18px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.05)}.product-group-head{display:flex;justify-content:space-between;gap:20px;padding:20px;background:linear-gradient(135deg,#f8fafc,#eef2ff);border-bottom:1px solid #e2e8f0}.product-group-head h3{margin:7px 0 3px;font-size:20px}.product-group-head small{color:#64748b}.product-badge{display:inline-flex;background:#0f172a;color:#fff;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}.product-summary{display:flex;gap:22px;align-items:center}.product-summary div{display:flex;flex-direction:column;gap:5px;text-align:right}.product-summary span{font-size:11px;color:#64748b}.product-summary b{font-size:16px}.contract-group{padding:16px 20px;border-bottom:1px solid #e5e7eb}.contract-group:last-child{border-bottom:0}.contract-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:12px}.contract-head>div:first-child{display:flex;flex-direction:column;gap:4px}.contract-head span{font-size:12px;color:#64748b}.contract-right{display:flex;align-items:center;gap:12px}.mini-installments{border:1px solid #e5e7eb;border-radius:12px;overflow:auto}.mini-row{display:grid;grid-template-columns:90px 120px 130px 130px 130px 90px;gap:12px;align-items:center;padding:11px 12px;border-top:1px solid #e5e7eb;min-width:740px;font-size:13px}.mini-row:first-child{border-top:0}.mini-head{background:#f8fafc;color:#64748b;font-size:11px;font-weight:800;text-transform:uppercase}.group-empty,.empty-state{text-align:center;color:#64748b;padding:30px}.muted-text{color:#64748b;font-size:13px;margin:5px 0 0}.table-wrap{overflow:auto}@media(max-width:700px){.filter-grid{grid-template-columns:1fr}.product-group-head{flex-direction:column}.product-summary{justify-content:space-between}.product-summary div{text-align:left}.contract-head{align-items:flex-start;flex-direction:column}.contract-right{width:100%;justify-content:space-between}}

/* V6 - Modern Tagihan Berdasarkan HP */
.tagihan-page{max-width:1180px;margin:0 auto}.tagihan-hero{display:flex;align-items:center;gap:18px;padding:24px 26px;margin:0 0 16px;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;border-radius:20px;box-shadow:0 12px 30px rgba(15,23,42,.12)}.tagihan-hero-icon{width:58px;height:58px;display:flex;align-items:center;justify-content:center;border-radius:17px;background:#fff1;color:#67e8f9;font-size:30px;flex:0 0 58px}.eyebrow{font-size:10px;font-weight:800;letter-spacing:.14em;color:#67e8f9;margin-bottom:5px}.tagihan-hero h2{margin:0;font-size:25px}.tagihan-hero p{margin:6px 0 0;color:#cbd5e1;font-size:13px}.tagihan-filter{background:#fff;border:1px solid #e2e8f0;border-radius:18px;padding:17px;margin-bottom:20px;box-shadow:0 6px 20px rgba(15,23,42,.05)}.tagihan-filter form{display:grid;grid-template-columns:1fr 1.4fr auto auto;gap:12px;align-items:end}.filter-field label{display:block;font-size:11px;font-weight:800;color:#64748b;margin:0 0 6px;text-transform:uppercase;letter-spacing:.05em}.filter-btn,.reset-btn{min-height:44px;border-radius:11px;padding:10px 18px;text-decoration:none}.filter-btn{background:#0f172a;color:#fff;border:0}.reset-btn{display:flex;align-items:center;justify-content:center;background:#eef2f7;color:#334155;font-weight:700}.hp-card{background:#fff;border:1px solid #e2e8f0;border-radius:22px;margin-bottom:20px;overflow:hidden;box-shadow:0 9px 28px rgba(15,23,42,.06)}.hp-head{display:flex;justify-content:space-between;gap:20px;padding:22px 24px;background:linear-gradient(135deg,#f8fafc,#eef6ff);border-bottom:1px solid #e2e8f0}.hp-title-wrap{display:flex;align-items:center;gap:14px}.phone-icon{width:52px;height:52px;border-radius:15px;background:#0f172a;color:#67e8f9;display:flex;align-items:center;justify-content:center;font-size:25px}.hp-brand{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#2563eb}.hp-head h3{margin:2px 0 4px;font-size:23px}.hp-imei{font-size:12px;color:#64748b}.hp-stats{display:flex;align-items:center;gap:28px}.hp-stats div{padding-left:22px;border-left:1px solid #dbe3ed;text-align:right}.hp-stats span{display:block;font-size:10px;font-weight:800;color:#64748b;letter-spacing:.06em}.hp-stats b{display:block;font-size:18px;margin-top:4px}.customer-list{padding:8px 20px 18px}.customer-credit{border:1px solid #e5eaf0;border-radius:17px;margin-top:12px;overflow:hidden;background:#fff}.customer-head{display:flex;justify-content:space-between;gap:20px;padding:18px 18px 14px}.customer-main{display:flex;gap:12px;align-items:center}.avatar{width:43px;height:43px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e0f2fe;color:#0369a1;font-weight:900}.customer-main h4{margin:0 0 4px;font-size:16px}.contract-meta,.customer-phone{font-size:12px;color:#64748b}.customer-phone{margin-top:3px}.customer-balance{text-align:right}.customer-balance strong{display:block;font-size:17px;margin-top:6px}.customer-balance small{color:#94a3b8;font-size:10px}.status-pill{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:900;white-space:nowrap}.status-pill.paid{background:#dcfce7;color:#166534}.status-pill.active,.status-pill.unpaid{background:#dbeafe;color:#1d4ed8}.status-pill.partial{background:#fef3c7;color:#92400e}.status-pill.overdue{background:#fee2e2;color:#991b1b}.progress-row{padding:0 18px 15px}.progress-label{display:flex;justify-content:space-between;font-size:11px;color:#64748b;margin-bottom:6px}.progress-label b{color:#334155}.progress{height:7px;border-radius:99px;background:#e8eef5;overflow:hidden}.progress i{display:block;height:100%;border-radius:99px;background:#0f172a}.installment-list{margin:0 12px 12px;border:1px solid #e5eaf0;border-radius:13px;overflow:hidden}.installment-head,.installment-row{display:grid;grid-template-columns:.75fr 1.25fr 1.2fr 1.2fr 1fr .9fr;gap:10px;align-items:center;padding:11px 13px}.installment-head{background:#f8fafc;color:#64748b;font-size:9px;font-weight:900;letter-spacing:.06em}.installment-row{border-top:1px solid #edf1f5;font-size:12px;color:#334155}.installment-row strong{font-weight:800;color:#0f172a}.invoice-btn{display:inline-flex;align-items:center;justify-content:center;padding:7px 9px;border-radius:8px;background:#eff6ff;color:#1d4ed8;text-decoration:none;font-size:11px;font-weight:800}.invoice-btn:hover{background:#dbeafe}.mobile-label{display:none}.group-empty,.tagihan-empty{text-align:center;padding:36px;color:#64748b}.tagihan-empty{background:#fff;border:1px solid #e2e8f0;border-radius:20px}.empty-icon{font-size:35px;margin-bottom:8px}.tagihan-empty h3{margin:0 0 4px;color:#334155}.tagihan-empty p{margin:0}
@media(max-width:850px){.tagihan-filter form{grid-template-columns:1fr 1fr}.filter-btn,.reset-btn{width:100%}.hp-head{flex-direction:column}.hp-stats{justify-content:flex-start}.hp-stats div{text-align:left;padding-left:0;padding-right:22px;border-left:0;border-right:1px solid #dbe3ed}.hp-stats div:last-child{border-right:0}.installment-head{display:none}.installment-row{grid-template-columns:repeat(2,1fr);padding:13px}.mobile-label{display:block;font-size:9px;font-weight:800;color:#94a3b8;text-transform:uppercase;margin-bottom:3px}.invoice-btn{width:100%}}
@media(max-width:560px){.tagihan-hero{padding:18px}.tagihan-hero-icon{width:48px;height:48px;flex-basis:48px}.tagihan-hero h2{font-size:20px}.tagihan-hero p{font-size:12px}.tagihan-filter form{grid-template-columns:1fr}.customer-list{padding:4px 10px 14px}.customer-head{padding:15px;flex-direction:column}.customer-balance{text-align:left}.installment-list{margin:0 8px 8px}.installment-row{grid-template-columns:1fr 1fr}.hp-head{padding:17px}.hp-head h3{font-size:20px}.hp-stats{gap:16px}.hp-stats b{font-size:15px}.product-summary{display:none}}

/* V7 - Detail angsuran pada invoice dan bukti pembayaran */
.installment-summary{display:grid;grid-template-columns:auto auto;gap:6px 14px;margin-top:12px;padding:12px 14px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:12px}.installment-summary span{font-size:11px;color:#64748b}.installment-summary strong{font-size:12px;color:#0f172a}.receipt-info{grid-template-columns:repeat(2,1fr)}@media(max-width:700px){.installment-summary{grid-template-columns:1fr 1fr}.receipt-info{grid-template-columns:1fr}}

.installment-note{display:block;color:#64748b;font-size:11px;margin-top:4px;line-height:1.35}.invoice-btn{white-space:nowrap}

/* V10 - Tombol WhatsApp admin */
.wa-link{display:inline-flex!important;align-items:center;gap:5px;margin-left:6px;color:#15803d!important;background:#ecfdf5;padding:7px 10px;border-radius:8px;border:1px solid #bbf7d0}
.wa-link:hover{background:#dcfce7;color:#166534!important}
.installment-row .wa-link{display:flex!important;margin:7px 0 0!important;justify-content:center}
@media(max-width:700px){.wa-link{margin-left:0!important;margin-top:6px}.installment-row .invoice-btn{white-space:normal}}

.notice{padding:12px 14px;border-radius:10px;margin:0 0 14px;font-weight:700}.notice.success{background:#dcfce7;color:#166534}.due-form{display:flex;gap:6px;align-items:center;min-width:205px}.due-form input{width:145px;min-width:0;padding:8px}.due-form button{width:auto;min-height:38px;padding:8px 10px;font-size:12px}@media(max-width:700px){.due-form{min-width:190px}.due-form input{width:125px}}