:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: rgba(37, 99, 235, .08);--bg: #f0f2f5;--card-bg: rgba(255, 255, 255, .92);--text: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--border: rgba(229, 231, 235, .8);--glass-shadow: 0 4px 24px rgba(0, 0, 0, .06);--success: #059669;--success-light: rgba(5, 150, 105, .08);--danger: #dc2626;--danger-light: rgba(220, 38, 38, .08);--purple: #7c3aed;--purple-light: rgba(124, 58, 237, .08);--radius: 10px;--radius-lg: 14px}[data-theme=dark]{--primary: #3b82f6;--primary-hover: #2563eb;--primary-light: rgba(59, 130, 246, .12);--bg: #0f172a;--card-bg: rgba(30, 41, 59, .92);--text: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border: rgba(51, 65, 85, .8);--glass-shadow: 0 4px 24px rgba(0, 0, 0, .2);--success: #34d399;--success-light: rgba(52, 211, 153, .12);--danger: #f87171;--danger-light: rgba(248, 113, 113, .12);--purple: #a78bfa;--purple-light: rgba(167, 139, 250, .12)}[data-theme=dark] .form-input{background-color:#1e293b;border-color:#334155;color:#f1f5f9}[data-theme=dark] .form-input::placeholder{color:#64748b}[data-theme=dark] .form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #3b82f633}[data-theme=dark] select.form-input{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E")}[data-theme=dark] .btn-secondary{background:#1e293b;color:#f1f5f9;border-color:#334155}[data-theme=dark] .btn-secondary:hover:not(:disabled){background:#334155;border-color:#475569}[data-theme=dark] .modal-content{background:#1e293b}[data-theme=dark] .data-table th{background:#1e293b80;color:#94a3b8}[data-theme=dark] .data-table tr:hover td{background:#1e293b80}.row-overdue td{background:#fef2f2}[data-theme=dark] .row-overdue td{background:#dc26261f!important;color:#f1f5f9}.row-warning td{background:#fffbeb}[data-theme=dark] .row-warning td{background:#d977061a!important;color:#f1f5f9}[data-theme=dark] .search-input,[data-theme=dark] .filter-select,[data-theme=dark] .filter-date{background-color:#1e293b;border-color:#334155;color:#f1f5f9}[data-theme=dark] .template-editor,[data-theme=dark] .template-card{background:#1e293b;border-color:#334155}[data-theme=dark] .quick-templates-section{background:#3b82f614;border-color:#334155}[data-theme=dark] .quick-template-btn{background:#0f172a;border-color:#3b82f6;color:#60a5fa}[data-theme=dark] .quick-template-btn:hover{background:#3b82f6;color:#fff}[data-theme=dark] .client-card-header:hover,[data-theme=dark] .payment-history,[data-theme=dark] .upload-preview{background:#1e293b}[data-theme=dark] .payment-row,[data-theme=dark] .upload-area{border-color:#334155}[data-theme=dark] .type-badge{background:#334155;color:#94a3b8}[data-theme=dark] .product-suggestions,[data-theme=dark] .client-picker,[data-theme=dark] .client-suggestions{background:#1e293b;border-color:#334155}[data-theme=dark] .product-suggestion-item,[data-theme=dark] .client-picker-item,[data-theme=dark] .client-suggestion-item{border-color:#334155}[data-theme=dark] .product-suggestion-item:hover{background:#334155}[data-theme=dark] .client-picker-item,[data-theme=dark] .client-suggestion-item{background:#0f172a}[data-theme=dark] .client-picker-item:hover,[data-theme=dark] .client-suggestion-item:hover{background:#3b82f61f}[data-theme=dark] .client-suggestion-save{border-color:#3b82f6;color:#60a5fa}[data-theme=dark] .client-suggestion-save:hover{background:#3b82f61f}[data-theme=dark] .btn-client-edit{background:#3b82f61f;border-color:#3b82f6;color:#60a5fa}[data-theme=dark] .btn-client-edit:hover{background:#3b82f6;color:#fff}[data-theme=dark] .client-suggestion-edit{background:#0f172a;border-color:#334155;color:#64748b}[data-theme=dark] .client-suggestion-edit:hover{background:#3b82f61f;color:#60a5fa}[data-theme=dark] .extra-section-editor{background:#3b82f614;border-color:#334155}[data-theme=dark] .client-actions-bar{background:#1e293b;border-color:#334155}[data-theme=dark] .invoice-preview-container,[data-theme=dark] .invoice-preview-container *{color-scheme:light}[data-theme=dark] .invoice-preview-container{background:#fff!important;color:#1a1a2e!important}[data-theme=dark] .inv-header,[data-theme=dark] .inv-title,[data-theme=dark] .inv-business-name{color:#0f172a!important}[data-theme=dark] .inv-meta-label{color:#94a3b8!important}[data-theme=dark] .inv-meta-value{color:#1e293b!important}[data-theme=dark] .inv-business-details,[data-theme=dark] .inv-business-details p{color:#64748b!important}[data-theme=dark] .inv-business-details strong{color:#334155!important}[data-theme=dark] .inv-parties{background:#f8fafc!important;border-color:#e2e8f0!important}[data-theme=dark] .inv-section-label{color:#94a3b8!important}[data-theme=dark] .inv-party-name{color:#0f172a!important}[data-theme=dark] .inv-party-details,[data-theme=dark] .inv-party-details p{color:#64748b!important}[data-theme=dark] .inv-party-details strong{color:#334155!important}[data-theme=dark] .inv-th{color:#64748b!important;border-color:#e2e8f0!important}[data-theme=dark] .inv-td{color:#1a1a2e!important;border-color:#f1f5f9!important}[data-theme=dark] .inv-td-name{color:#1e293b!important}[data-theme=dark] .inv-td-muted{color:#94a3b8!important}[data-theme=dark] .inv-td-amount{color:#0f172a!important}[data-theme=dark] .inv-total-row:not(.inv-total-modern){color:#64748b!important}[data-theme=dark] .inv-total-row:not(.inv-total-modern) span:last-child{color:#1e293b!important}[data-theme=dark] .inv-total-final:not(.inv-total-modern) span:first-child{color:#0f172a!important}[data-theme=dark] .inv-total-final:not(.inv-total-modern) span:last-child{color:#1e40af!important}[data-theme=dark] .inv-total-final:not(.inv-total-modern){border-color:#1e293b!important}[data-theme=dark] .inv-total-modern,[data-theme=dark] .inv-total-modern span,[data-theme=dark] .inv-total-modern span:first-child,[data-theme=dark] .inv-total-modern span:last-child{color:#fff!important;border-color:transparent!important}[data-theme=dark] .inv-words-text{color:#334155!important}[data-theme=dark] .inv-footer{border-color:#e2e8f0!important}[data-theme=dark] .inv-footer-details,[data-theme=dark] .inv-footer-details p{color:#64748b!important}[data-theme=dark] .inv-detail-label,[data-theme=dark] .inv-terms,[data-theme=dark] .inv-sig-label{color:#94a3b8!important}[data-theme=dark] .inv-sig-line{border-color:#1e293b!important}[data-theme=dark] .inv-sig-name{color:#0f172a!important}[data-theme=dark] .inv-tax-badge{background:#2563eb14!important;color:#2563eb!important}[data-theme=dark] .inv-tax-badge-green{background:#05966914!important;color:#059669!important}[data-theme=dark] .inv-gst-pill{background:#eff6ff!important;color:#3b82f6!important}[data-theme=dark] .inv-tr-even td{background:#fafbfc!important}[data-theme=dark] 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var(--border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);padding:1.5rem}.auth-brand{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}.auth-brand h2{font-size:1.1rem;margin:0}.auth-brand p{margin:0;color:var(--text-muted);font-size:.82rem}.auth-logo{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;background:linear-gradient(135deg,var(--primary),#7c3aed)}.auth-error{color:var(--danger);font-size:.82rem;margin:.25rem 0 .75rem}.auth-submit{width:100%}.app-layout{display:flex;height:100vh;overflow:hidden;position:relative}.pwa-install-banner{position:fixed;top:0;left:260px;right:0;z-index:1000;display:flex;align-items:center;gap:.75rem;padding:.65rem 1.25rem;background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;font-size:.9rem;box-shadow:0 2px 8px #00000026}.pwa-install-banner span{flex:1}.pwa-install-btn{background:#fff;color:#1e40af;border:none;padding:.4rem 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.5rem;font-size:1.5rem;color:#f8fafc}.server-down-modal p{color:#94a3b8;font-size:.95rem;line-height:1.6;margin-bottom:1.5rem}.server-start-btn{display:inline-block;padding:.85rem 2.5rem;background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;font-size:1.05rem;font-weight:600;border:none;border-radius:10px;cursor:pointer;text-decoration:none;margin-bottom:1.5rem;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 15px #2563eb4d}.server-start-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #2563eb66;color:#fff}.server-down-safe{color:#86efac!important;font-size:.82rem!important;margin:1rem 0 .5rem!important;padding:.6rem 1rem;background:#22c55e14;border-radius:8px;border:1px solid rgba(34,197,94,.15)}.server-down-hint{color:#64748b!important;font-size:.8rem!important;margin-bottom:.5rem!important}.server-down-steps{text-align:left;background:#0f172a;padding:1.25rem 1.5rem;border-radius:10px;margin-bottom:1.5rem}.server-down-steps h3{margin:0 0 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#2563eb59}.privacy-toggle-visible{color:#bfdbfe;background:#2563eb1f}.privacy-toggle-visible:hover{color:#fff;background:#2563eb33}.private-value{display:inline-block;min-width:max-content}.private-value-hidden{letter-spacing:.06em;-webkit-user-select:none;user-select:none}.nav-btn-bottom{margin-top:auto}.main-content{flex:1;overflow-y:auto;padding:2rem 2.5rem;display:flex;flex-direction:column}.glass-panel{background:var(--card-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.page-title{font-size:1.75rem;font-weight:700;letter-spacing:-.025em;margin-bottom:.25rem}.page-subtitle{color:var(--text-secondary);font-size:.9rem}.section-title{font-size:.95rem;font-weight:600;color:var(--primary);margin-bottom:1.25rem;letter-spacing:-.01em}.update-available-box{margin-top:1rem;padding:.85rem 1rem;background:#22c55e14;border:1px solid rgba(34,197,94,.2);border-radius:8px;font-size:.88rem;color:var(--text)}.update-available-box p{margin:.25rem 0}.form-group{margin-bottom:1rem}.form-group.full-width{grid-column:span 2}.form-label{display:block;font-size:.8rem;font-weight:600;margin-bottom:.4rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}.form-input{width:100%;padding:.65rem .9rem;border:1.5px solid var(--border);border-radius:8px;background:#fff;font-family:inherit;font-size:.9rem;transition:all .2s;color:var(--text)}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}select.form-input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b7280' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem}textarea.form-input{resize:vertical;min-height:60px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.25rem;border-radius:8px;font-weight:500;font-size:.875rem;cursor:pointer;transition:all .15s ease;border:none;gap:.5rem;font-family:inherit}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px #2563eb40}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 12px #2563eb4d;transform:translateY(-1px)}.btn-secondary{background:#fff;color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover:not(:disabled){background:#f9fafb;border-color:#d1d5db}.icon-btn{width:28px;height:28px;border-radius:6px;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all 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var(--border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);padding:1.5rem;display:flex;align-items:center;gap:1rem}.stat-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon-blue{background:var(--primary-light);color:var(--primary)}.stat-icon-green{background:var(--success-light);color:var(--success)}.stat-icon-purple{background:var(--purple-light);color:var(--purple)}.stat-label{font-size:.75rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.25rem}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary);letter-spacing:-.02em;margin:0}.stat-value-green{color:var(--success)}.stat-value-purple{color:var(--purple)}.table-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border)}.table-header 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