:root{color-scheme:light;font-family:Inter,system-ui,sans-serif;background:#edf2f7;color:#1a202c;font-size:14px}*{box-sizing:border-box}body{margin:0;min-height:100vh}.app-shell{max-width:1200px;margin:0 auto;padding:32px 20px 60px}header{background:linear-gradient(135deg,#2b6cb0,#1e5a8e);padding:28px 20px;margin:-32px -20px 24px;border-radius:0 0 20px 20px;box-shadow:0 12px 30px #2b6cb026}.header-top{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;align-items:center;text-align:center}header h1{margin:0;font-size:clamp(1.8rem,3vw,2.8rem);color:#fff;font-weight:800;letter-spacing:-.5px;text-shadow:0 2px 8px rgba(0,0,0,.1)}.api-status{padding:6px 12px;border-radius:999px;font-size:.95rem;font-weight:700;background:#e2e8f0;color:#1a202c}.api-status.online{background:#d1fae5;color:#047857}.api-status.offline{background:#fee2e2;color:#b91c1c}header p{margin:0;color:#4a5568}nav{display:flex;justify-content:center;gap:8px;margin-top:16px;flex-wrap:wrap}nav button{padding:8px 16px;border:1px solid #cbd5e1;background:#fff;border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}nav button.active{background:#2b6cb0;color:#fff;border-color:#2b6cb0}nav button:hover{background:#f7fafc}.card{background:#fff;border-radius:18px;padding:24px;box-shadow:0 18px 60px #0f172a14;margin-bottom:20px}.field-row,.item-row,.summary-row{display:grid;gap:12px;align-items:center}.field-row{margin-bottom:16px}.field-row label{font-weight:600}.field-row input,.field-row textarea,.field-row select,.item-row input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #cbd5e1;font-size:1rem;background-color:#fff}.field-row textarea{resize:vertical;min-height:80px}.item-row{grid-template-columns:1.6fr .6fr .8fr auto;gap:12px;margin-bottom:12px}.remove-button,.primary-button,.whatsapp-button{border:none;cursor:pointer;border-radius:999px;padding:12px 18px;font-weight:700}.status-message{margin-top:14px;color:#2d3748;font-weight:600}.error-text{color:#e53e3e;font-size:.875rem;margin-top:4px;font-weight:500}.error-box{display:inline-flex;align-items:center;gap:.75rem;width:100%;padding:12px 14px;border-radius:14px;border:1px solid #fca5a5;background:#fff1f2;color:#b91c1c;font-weight:400;font-size:.85rem;margin-top:12px}.error-box .error-icon{font-size:1rem;line-height:1}.error-box.status-4xx,.error-text.status-4xx{color:#b42318;border-color:#f9a8d4}.error-box.status-5xx,.error-text.status-5xx{color:#7f1d1d;border-color:#fecaca}.error-box.status-other,.error-text.status-other{color:#b91c1c;border-color:#fca5a5}.remove-button{background:#fed7d7;color:#b91c1c}.primary-button{background:#2b6cb0;color:#fff;width:fit-content}.whatsapp-button{display:inline-flex;align-items:center;justify-content:center;width:100%;background:#25d366;color:#fff;text-decoration:none;margin-top:16px}.report-whatsapp-button{width:auto;margin-top:8px;padding:10px 14px}.bill-summary.bill-dropdown{position:relative;align-items:center}.bill-menu-button{background:#2d3748;color:#fff;border:none;border-radius:999px;width:42px;height:42px;font-size:22px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease}.bill-menu-button:hover,.bill-menu-button:focus{background:#1f2937}.bill-dropdown-menu{position:absolute;top:calc(100% + 10px);right:0;min-width:180px;background:#fff;border:1px solid #e2e8f0;border-radius:14px;box-shadow:0 16px 40px #0f172a1f;z-index:20;padding:8px 0}.bill-menu-item{width:100%;text-align:left;background:transparent;border:none;padding:12px 16px;font-size:.95rem;color:#1f2937;cursor:pointer}.bill-menu-item:hover,.bill-menu-item:focus{background:#f8fafc}.bill-menu-item-disabled{color:#94a3b8;cursor:not-allowed}.preview-card pre{white-space:pre-wrap;word-break:break-word;background:#f7fafc;border-radius:14px;padding:18px;border:1px solid #e2e8f0;color:#2d3748;font-size:.95rem}.summary-row{display:flex;justify-content:space-between;align-items:center;margin-top:18px;font-size:1.1rem}.action-buttons{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}.login-screen{min-height:70vh;display:grid;place-items:center;padding:24px 0}.login-card{width:min(100%,420px);background:#fff;border-radius:24px;padding:28px;box-shadow:0 18px 60px #0f172a1f}.login-card h2{margin:0 0 8px;color:#1e5a8e;font-size:1.7rem}.login-card p{margin:0 0 20px;color:#4a5568}.login-form{display:grid;gap:12px}.login-form .field-row{margin-bottom:0}.login-form .field-row span{display:inline-block;margin-bottom:6px;font-weight:600;color:#2d3748}.login-button{width:100%;padding:14px 18px;margin-top:6px}.logout-button{border:none;cursor:pointer;border-radius:999px;padding:8px 14px;font-weight:700;background:#ffffff29;color:#fff}.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.stat-card{background:#fff;border-radius:18px;padding:24px;box-shadow:0 18px 60px #0f172a14;text-align:center}.stat-card h3{margin:0 0 12px;color:#4a5568;font-size:1rem;font-weight:600}.stat-value{font-size:2rem;font-weight:700;color:#2b6cb0;margin:0}.customer-list,.service-list,.bill-list,.amc-expiry-list{display:grid;gap:12px}.customer-item,.service-item,.bill-item,.amc-expiry-item{border:1px solid #e2e8f0;border-radius:12px;padding:12px;background:#f8fafc}.customer-item h4,.service-item h4,.bill-item h4,.amc-expiry-item h4{margin:0 0 6px;color:#1a202c;font-size:.98rem}.customer-item p,.service-item p,.bill-item p,.amc-expiry-item p{margin:3px 0;color:#4a5568;font-size:.84rem}.rate{font-weight:600;color:#2b6cb0}.bill-header,.amc-expiry-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;gap:8px}.bill-main{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.bill-info{min-width:0}.bill-number{display:flex;flex-wrap:wrap;align-items:center;gap:6px;color:#0f172a;font-size:.82rem}.bill-number-label{color:#64748b;font-size:.74rem;font-weight:600}.bill-customer{margin-top:5px;color:#0f172a;font-weight:700;font-size:.88rem}.bill-due{margin-top:3px;color:#64748b;font-size:.78rem}.bill-summary{display:flex;align-items:center;justify-content:flex-end;gap:8px}.bill-amount{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;border-radius:999px;background:#eff6ff;color:#0369a1;font-weight:700;font-size:.86rem;min-width:100px;text-align:center}.bill-menu-button{width:30px;height:30px;border-radius:50%;border:none;background:#e0f2fe;color:#0369a1;font-size:1rem;cursor:pointer}.bill-menu-button:hover{background:#bae6fd}.status,.expiry-badge{padding:4px 8px;border-radius:12px;font-size:.8rem;font-weight:600;text-transform:uppercase}.status.pending{background:#fef3c7;color:#d97706}.status.paid{background:#d1fae5;color:#059669}.expiry-badge{background:#fef2f2;color:#b91c1c;padding:4px 8px;border-radius:12px;font-size:.8rem;font-weight:600}.helper-text{margin:8px 0 0;color:#4a5568;font-size:.92rem}.link-button{background:transparent;border:none;color:#2b6cb0;cursor:pointer;font-weight:700;text-decoration:underline;padding:0}.link-button:hover{color:#1d4e89}.detail-toggle-button{margin-top:10px}.detail-panel{margin-top:12px;padding:12px;border:1px solid #e2e8f0;border-radius:10px;background:#fff}.detail-section{margin-bottom:10px}.detail-section h5{margin:0 0 8px;color:#2b6cb0}.detail-section p{margin:4px 0}.detail-items{margin-top:8px}.detail-items ul{margin:6px 0 0 18px;padding:0}.detail-items li{margin-bottom:4px;color:#4a5568}.bill-view-page{display:flex;justify-content:center;padding:28px 16px 40px}.receipt-card{width:100%;max-width:380px;background:#fff;padding:22px 20px;border-radius:24px;box-shadow:0 24px 60px #0f172a24;border:1px solid #ececec;position:relative}.receipt-top{text-align:center;margin-bottom:12px}.receipt-shop-name{margin:0;font-size:1rem;font-weight:700;letter-spacing:.16em}.receipt-shop-meta{margin:4px 0;color:#6b7280;font-size:.78rem}.receipt-starline{text-align:center;color:#111827;letter-spacing:.4em;opacity:.55;margin:10px 0;font-size:.82rem}.receipt-dots-line{display:block;width:100%;height:0;border-bottom:1px dotted #111827;opacity:.55;margin:12px 0}.receipt-title-group{text-align:center;margin-bottom:12px}.receipt-subtitle{margin:0;letter-spacing:.2em;font-size:.75rem;color:#64748b}.receipt-title{margin:0;font-size:1.05rem;font-weight:700;color:#111827}.receipt-meta-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;color:#475569;font-size:.72rem}.receipt-meta-row div{display:grid;gap:4px}.receipt-item-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;font-size:.95rem;color:#1f2937}.receipt-item-header{font-weight:700;border-bottom:1px dashed #d1d5db;padding-bottom:10px;margin-bottom:10px}.receipt-items{margin-bottom:14px}.receipt-summary-row{display:flex;justify-content:space-between;gap:12px;font-size:.95rem;color:#1f2937;padding:6px 0}.receipt-summary-row strong{font-weight:700}.receipt-summary-row.total-row{font-size:1rem}.receipt-footer{text-align:center;padding-top:16px}.receipt-info-row{display:flex;align-items:center;gap:8px;font-size:.86rem;color:#374151}.receipt-info-label{white-space:nowrap}.receipt-info-dots{flex:1;border-bottom:1px dotted #111827;min-width:16px;color:#111827}.receipt-footer-note{margin:0 0 16px;font-size:.92rem;color:#475569}.receipt-barcode{width:100%;height:36px;margin:0 auto;background:repeating-linear-gradient(90deg,#111827,#111827 2px,transparent 2px,transparent 4px)}.bill-modal-overlay{position:fixed;inset:0;background:#0f172aa6;display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}.bill-modal-content{position:relative;width:min(100%,960px);max-height:min(100%,92vh);overflow:auto;background:#f8fafc;border-radius:28px;box-shadow:0 32px 80px #0f172a3d}.bill-modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border:none;border-radius:50%;background:#fff;color:#111827;font-size:1.35rem;line-height:1;cursor:pointer;box-shadow:0 6px 18px #0f172a2e}.bill-modal-close:hover{background:#eff6ff}.bill-view-page{border:1px solid #e2e8f0;border-radius:14px;border-bottom:1px dotted #111827;background:#f8fafc;margin-top:24px}.designed-by{display:flex;align-items:center;gap:10px;justify-content:center;margin-top:18px;padding:10px 0 18px;color:#475569;font-size:.85rem}.designed-by-logo{height:15px;width:auto;display:inline-block}@media(max-width:640px){.receipt-card{padding:18px}.receipt-item-row{font-size:.9rem}.receipt-title{font-size:1.15rem}}.invoice-label{display:block;font-size:.75rem;letter-spacing:.2em;color:#111827;color:#64748b;margin-bottom:8px}.invoice-headline h1{margin:0;font-size:clamp(2rem,3vw,2.8rem);color:#0f172a;letter-spacing:-.02em}.invoice-subtitle{margin-top:8px;color:#475569;max-width:420px}.invoice-number-card{display:grid;gap:12px;min-width:220px}.invoice-number-card div{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:18px}.meta-label{display:block;font-size:.8rem;color:#64748b;margin-bottom:6px}.invoice-status{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:.82rem;font-weight:700;text-transform:uppercase}.invoice-status.paid{background:#dcfce7;color:#166534}.invoice-status.pending{background:#fef9c3;color:#854d0e}.invoice-status.cancelled,.invoice-status.void{background:#fee2e2;color:#991b1b}.invoice-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:28px}@media(max-width:840px){.invoice-headline,.invoice-grid{display:block}.invoice-number-card{grid-template-columns:1fr 1fr}.invoice-number-card div{padding:16px}}@media(max-width:640px){.invoice-card{padding:22px}.invoice-headline{gap:16px}.invoice-headline h1{font-size:2rem}.invoice-number-card{grid-template-columns:1fr}.invoice-table th,.invoice-table td{padding:12px 10px}.invoice-summary-card{padding:16px}.share-link-card{padding:14px}}.invoice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:24px}.section-title{margin:0 0 10px;font-size:.95rem;font-weight:700;color:#0f172a}.invoice-table-wrapper{overflow-x:auto;margin-bottom:24px}.invoice-table{width:100%;border-collapse:collapse;min-width:720px}.invoice-table th,.invoice-table td{text-align:left;padding:16px 18px;border-bottom:1px solid #e2e8f0}.invoice-table th{font-size:.82rem;color:#475569;background:#f8fafc;text-transform:uppercase;letter-spacing:.04em}.invoice-table td{font-size:.95rem;color:#334155}.invoice-table tbody tr:hover{background:#f8fafc}.text-right{text-align:right}.invoice-summary-card{display:grid;gap:12px;margin-bottom:18px;padding:22px 24px;border-radius:18px;background:#f8fafc;border:1px solid #e2e8f0}.invoice-summary-card div{display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:.95rem;color:#475569}.invoice-summary-card strong{color:#0f172a}.invoice-total-row{display:flex;justify-content:space-between;align-items:center;padding-top:8px;border-top:1px solid #e2e8f0;font-size:1.05rem;font-weight:700;color:#0f172a}.invoice-note{margin-top:0;color:#475569;font-size:.92rem}.share-link-card{border:1px solid #e2e8f0;border-radius:14px;padding:18px;background:#fff;margin-top:26px}.share-link-label{display:block;margin-bottom:8px;color:#475569;font-size:.82rem}.share-link-input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #cbd5e1;background:#fff;font-size:.92rem;color:#0f172a}main{margin-top:32px}.app-shell{max-width:1200px;margin:0 auto;padding:32px 20px 120px}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fffffff5;border-top:1px solid rgba(148,163,184,.3);padding:10px 16px 18px;box-shadow:0 -10px 30px #0f172a14}.bottom-nav nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.bottom-nav button{padding:10px 12px;font-size:.85rem;border-radius:999px}@media(min-width:768px){.bottom-nav{max-width:1200px;margin:0 auto;left:0;right:0;width:calc(100% - 40px);border-radius:18px 18px 0 0}}.bill-terms-section{padding:20px;border-radius:20px;border:1px solid #e2e8f0;background:#fff;color:#334155;line-height:1.7}.bill-terms-section .terms-header{display:flex;justify-content:space-between;align-items:center;gap:12px}.bill-terms-section .terms-header h3{margin:0;font-size:.8rem;color:#1e5a8e}.toggle-terms-button{background:transparent;border:none;color:#2b6cb0;cursor:pointer;font-weight:700;text-decoration:underline;padding:0;font-size:.7rem}.toggle-terms-button:hover{color:#1d4e89}.terms-content p,.terms-content ol{margin:0 0 14px;font-size:.6rem;color:#475569}.terms-content ol{padding-left:1.2rem}.terms-content ol li{margin-bottom:10px}.terms-content{padding:10px 0 0}