:root{--primary:#0066FF;--primary-light:#3388FF;--primary-dark:#0052CC;--accent-light:#E8F4FF;--white:#fff;--off-white:#f8fafd;--light-gray:#f0f4f8;--medium-gray:#dce3ed;--dark-gray:#64748b;--text-primary:#0f172a;--text-secondary:#475569;--success:#00c853;--success-light:#e8f5e9;--warning:#ff9800;--warning-light:#fff3e0;--danger:#ef4444;--danger-light:#fee2e2;--shadow-sm:0 1px 3px rgba(0,102,255,0.06);--shadow-md:0 4px 12px rgba(0,102,255,0.08);--shadow-lg:0 8px 30px rgba(0,102,255,0.12);--font-primary:'Poppins',sans-serif;--font-body:'Inter',sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--transition:0.2s ease}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--font-body);background:var(--off-white);color:var(--text-primary);line-height:1.6;min-height:100vh}
.container{max-width:1400px;margin:0 auto;padding:0 1rem}
.login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0066FF 0%,#0052CC 50%,#003D99 100%);padding:1rem}
.login-card{background:var(--white);border-radius:var(--radius-lg);padding:3rem 2rem;text-align:center;max-width:400px;width:100%;box-shadow:var(--shadow-lg)}
.login-logo{width:80px;height:80px;border-radius:50%;margin-bottom:1rem;border:3px solid var(--primary)}
.login-card h1{font-family:var(--font-primary);font-size:1.5rem;margin-bottom:0.25rem}
.login-desc{color:var(--dark-gray);margin-bottom:2rem;font-size:0.9rem}
.btn-google{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:14px;border:2px solid var(--medium-gray);border-radius:var(--radius-sm);background:var(--white);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--transition)}
.btn-google:hover{border-color:var(--primary);background:var(--accent-light)}
.login-note{margin-top:1rem;font-size:0.85rem}
.login-footer{margin-top:1.5rem;font-size:0.75rem;color:var(--dark-gray)}
.app-header{background:var(--white);border-bottom:3px solid var(--primary);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}
.header-content{display:flex;justify-content:space-between;align-items:center;padding:0.6rem 0;gap:0.5rem}
.logo-brand{display:flex;align-items:center;gap:10px}
.header-logo{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid var(--primary)}
.logo-text{font-family:var(--font-primary);font-size:1.2rem;font-weight:700;line-height:1.2}
.logo-text .highlight{color:var(--primary)}
.logo-subtitle{font-size:0.65rem;color:var(--dark-gray);font-weight:400;letter-spacing:0.5px;text-transform:uppercase}
.header-actions{display:flex;gap:6px;align-items:center}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:white;border:none;padding:10px 18px;border-radius:var(--radius-sm);font-family:var(--font-primary);font-weight:600;font-size:0.85rem;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:var(--transition);white-space:nowrap}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,102,255,0.35)}
.btn-secondary{background:var(--white);color:var(--text-primary);border:1.5px solid var(--medium-gray);padding:10px 18px;border-radius:var(--radius-sm);font-family:var(--font-primary);font-weight:500;font-size:0.85rem;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:var(--transition);white-space:nowrap}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:var(--accent-light)}
.btn-ghost{background:none;border:none;color:var(--dark-gray);padding:8px;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}
.btn-ghost:hover{background:var(--light-gray);color:var(--primary)}
.btn-email{background:linear-gradient(135deg,#00AAFF,#0088CC);color:white;border:none;padding:10px 18px;border-radius:var(--radius-sm);font-family:var(--font-primary);font-weight:600;font-size:0.85rem;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:var(--transition);white-space:nowrap}
.btn-sm{padding:8px 14px;font-size:0.8rem}
.main-content{padding:1.5rem 0}
.invoice-section{animation:fadeIn 0.3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}
.section-header h2{font-family:var(--font-primary);font-size:1.3rem;font-weight:700}
.search-filter{display:flex;gap:8px;flex-wrap:wrap}
.search-filter input,.search-filter select{padding:10px 14px;border:1.5px solid var(--medium-gray);border-radius:var(--radius-sm);font-size:0.85rem;background:var(--white);min-width:0}
.search-filter input:focus,.search-filter select:focus{outline:none;border-color:var(--primary)}
.invoice-form-container{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.25rem}
.form-section{background:var(--off-white);border-radius:var(--radius-md);padding:1.25rem;border:1px solid var(--light-gray)}
.form-section.full-width{grid-column:1/-1}
.section-title{font-family:var(--font-primary);font-size:0.9rem;font-weight:600;color:var(--primary-dark);margin-bottom:0.75rem}
.section-header-inline{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.75rem;flex-wrap:wrap;gap:0.5rem}
.form-group{margin-bottom:0.75rem}
.form-group label{display:block;font-size:0.75rem;font-weight:600;color:var(--text-secondary);margin-bottom:3px;text-transform:uppercase;letter-spacing:0.3px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 12px;border:1.5px solid var(--medium-gray);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:0.88rem;color:var(--text-primary);background:var(--white);transition:var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,102,255,0.1)}
.form-group input[readonly]{background:var(--light-gray);color:var(--primary-dark);font-weight:600}
.form-row-2{display:grid;grid-template-columns:1fr 1fr;gap:0.75rem}
.logo-upload{display:flex;align-items:center;gap:1rem;margin-bottom:0.75rem}
.logo-preview{width:60px;height:60px;border-radius:50%;border:2px dashed var(--medium-gray);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;background:var(--white)}
.logo-preview img{width:100%;height:100%;object-fit:cover}
.logo-inputs{display:flex;flex-direction:column;gap:6px;flex:1}
.logo-inputs input{padding:8px 12px;border:1.5px solid var(--medium-gray);border-radius:var(--radius-sm);font-size:0.8rem}
.item-row{background:var(--white);border:1.5px solid var(--medium-gray);border-radius:var(--radius-md);padding:1rem;margin-bottom:0.75rem;transition:var(--transition)}
.item-row:hover{border-color:var(--primary-light)}
.item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0.5rem}
.item-title{font-weight:600;font-size:0.85rem;color:var(--primary)}
.remove-item-btn{background:none;border:none;color:var(--danger);cursor:pointer;padding:4px;border-radius:4px}
.item-fields{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:0.5rem}
.item-fields .form-group{margin-bottom:0}
.discount-toggle{margin-top:0.5rem}
.discount-toggle label{display:flex;align-items:center;gap:6px;font-size:0.8rem;color:var(--text-secondary);cursor:pointer}
.discount-fields{display:grid;grid-template-columns:1fr 1fr;gap:0.5rem;margin-top:0.5rem}
.calculations{background:var(--accent-light);border-radius:var(--radius-md);padding:1rem;margin-left:auto;width:320px}
.calc-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:0.88rem}
.calc-row.total{border-top:2px solid var(--primary);margin-top:6px;padding-top:10px;font-size:1.1rem;font-weight:700;color:var(--primary-dark)}
.tax-input{display:flex;align-items:center;gap:4px}
.tax-input input{width:50px;padding:4px 6px;border:1.5px solid var(--medium-gray);border-radius:6px;text-align:center;font-size:0.85rem}
.signature-section{text-align:center}
#signatureCanvas{width:100%;height:120px;border:2px dashed var(--medium-gray);border-radius:var(--radius-sm);cursor:crosshair;background:var(--white)}
.signature-controls{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:8px}
.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:1.25rem;padding-top:1.25rem;border-top:1px solid var(--light-gray);flex-wrap:wrap}
.stats-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:0.75rem;margin-bottom:1.25rem}
.stat-card{background:var(--white);border-radius:var(--radius-md);padding:1rem;display:flex;align-items:center;gap:0.75rem;box-shadow:var(--shadow-sm);border:1px solid var(--light-gray)}
.stat-icon{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.3rem}
.stat-icon.blue{background:var(--accent-light)}.stat-icon.green{background:var(--success-light)}.stat-icon.orange{background:var(--warning-light)}.stat-icon.purple{background:#f3e8ff}
.stat-label{font-size:0.7rem;color:var(--dark-gray);font-weight:500;text-transform:uppercase;letter-spacing:0.3px}
.stat-value{font-family:var(--font-primary);font-size:1.4rem;font-weight:700}
.stat-value-sm{font-size:0.95rem}
.invoice-table-container{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid var(--light-gray)}
.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}
.invoice-table{width:100%;border-collapse:collapse;min-width:600px}
.invoice-table thead{background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.invoice-table th{padding:12px 14px;text-align:left;font-size:0.75rem;font-weight:600;color:white;text-transform:uppercase;letter-spacing:0.5px;white-space:nowrap}
.invoice-table td{padding:12px 14px;border-bottom:1px solid var(--light-gray);font-size:0.85rem}
.invoice-table tbody tr:hover{background:var(--accent-light)}
.status-badge{display:inline-block;padding:4px 10px;border-radius:20px;font-size:0.72rem;font-weight:600;white-space:nowrap}
.status-badge.lunas{background:var(--success-light);color:var(--success)}
.status-badge.belum-lunas{background:var(--warning-light);color:var(--warning)}
.action-buttons{display:flex;gap:3px;flex-wrap:wrap}
.icon-btn{background:none;border:1px solid transparent;color:var(--dark-gray);cursor:pointer;padding:5px;border-radius:6px;transition:var(--transition);font-size:1rem}
.icon-btn:hover{color:var(--primary);background:var(--accent-light)}
.empty-state{text-align:center;padding:3rem;color:var(--dark-gray)}
.modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.5);z-index:1000;align-items:center;justify-content:center;padding:0.75rem;backdrop-filter:blur(4px)}
.modal.active{display:flex}
.modal-content{background:var(--white);border-radius:var(--radius-lg);max-width:600px;width:100%;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:modalIn 0.3s ease}
.modal-large{max-width:850px}
@keyframes modalIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;border-bottom:1px solid var(--light-gray)}
.modal-header h2{font-family:var(--font-primary);font-size:1.1rem;font-weight:700}
.modal-close{background:none;border:none;font-size:1.5rem;color:var(--dark-gray);cursor:pointer;padding:4px 8px;border-radius:6px}
.modal-body{padding:1.25rem}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:1rem 1.25rem;border-top:1px solid var(--light-gray);flex-wrap:wrap}
.preset-items-list{display:grid;gap:8px}
.preset-item{display:flex;justify-content:space-between;align-items:center;padding:12px;border:1.5px solid var(--medium-gray);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}
.preset-item:hover{border-color:var(--primary);background:var(--accent-light)}
.preset-item-info{flex:1}
.preset-item-name{font-weight:600;font-size:0.9rem}
.preset-item-desc{font-size:0.75rem;color:var(--dark-gray)}
.preset-item-price{font-weight:700;color:var(--primary);font-size:0.9rem;white-space:nowrap;margin-left:1rem}
.invoice-preview{background:white;padding:35px 25px;min-height:900px;position:relative;font-family:'Inter',sans-serif;border:1px solid var(--light-gray);border-radius:var(--radius-md)}
.invoice-preview-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:25px;padding-bottom:15px;border-bottom:3px solid var(--primary)}
.company-info{flex:1}
.invoice-logo{max-height:60px;max-width:60px;border-radius:50%;margin-bottom:8px}
.company-name{font-family:var(--font-primary);font-size:1rem;font-weight:700}
.company-address{font-size:0.78rem;color:var(--dark-gray);margin-top:4px}
.invoice-details-header{text-align:right}
.invoice-title{font-family:var(--font-primary);font-size:1.8rem;font-weight:700;color:var(--primary);letter-spacing:2px}
.invoice-number{font-size:0.95rem;font-weight:600;margin-top:4px}
.invoice-date{font-size:0.82rem;color:var(--dark-gray);margin-top:6px}
.invoice-parties{display:flex;justify-content:space-between;margin-bottom:25px;gap:1.5rem}
.party-section{flex:1}
.party-title{font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--primary);margin-bottom:6px}
.party-name{font-weight:600;font-size:0.95rem}
.party-address{font-size:0.82rem;color:var(--dark-gray);margin-top:3px}
.party-contact{font-size:0.78rem;color:var(--text-secondary);margin-top:2px}
.invoice-items-table{width:100%;border-collapse:collapse;margin-bottom:20px}
.invoice-items-table thead{background:var(--primary)}
.invoice-items-table th{padding:10px 12px;font-size:0.72rem;font-weight:600;color:white;text-transform:uppercase;letter-spacing:0.5px}
.invoice-items-table td{padding:10px 12px;border-bottom:1px solid var(--light-gray);font-size:0.85rem}
.invoice-items-table tbody tr:nth-child(even){background:#f8faff}
.invoice-summary{margin-left:auto;width:260px;margin-bottom:25px}
.summary-row{display:flex;justify-content:space-between;padding:6px 0;font-size:0.88rem}
.summary-row.total{border-top:2px solid var(--primary);margin-top:6px;padding-top:10px;font-size:1.1rem;font-weight:700;color:var(--primary-dark)}
.invoice-footer{margin-top:25px}
.invoice-terms{font-size:0.78rem;color:var(--text-secondary);padding:12px;background:var(--off-white);border-radius:var(--radius-sm);border-left:3px solid var(--primary);margin-bottom:15px}
.invoice-footer-bottom{display:flex;justify-content:space-between;align-items:flex-end;margin-top:15px}
.invoice-payment-info{font-size:0.82rem}
.invoice-payment-info p{margin:3px 0}
.status-text{font-weight:700}.status-paid{color:var(--success)}.status-unpaid{color:var(--warning)}
.invoice-signature{text-align:center}
.signature-image{max-height:70px;margin:8px 0}
.signature-name{font-weight:600;font-size:0.82rem}
.lunas-stamp{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-25deg);font-family:var(--font-primary);font-size:4.5rem;font-weight:900;color:rgba(0,200,83,0.12);letter-spacing:10px;pointer-events:none;z-index:1;white-space:nowrap}
.theme-red .invoice-preview-header{border-bottom-color:#e53e3e}.theme-red .invoice-title,.theme-red .party-title{color:#e53e3e}.theme-red .invoice-items-table thead{background:#e53e3e}.theme-red .summary-row.total{border-top-color:#e53e3e;color:#c53030}.theme-red .invoice-terms{border-left-color:#e53e3e}
.theme-green .invoice-preview-header{border-bottom-color:#38a169}.theme-green .invoice-title,.theme-green .party-title{color:#38a169}.theme-green .invoice-items-table thead{background:#38a169}.theme-green .summary-row.total{border-top-color:#38a169;color:#276749}.theme-green .invoice-terms{border-left-color:#38a169}
.theme-silver .invoice-preview-header{border-bottom-color:#718096}.theme-silver .invoice-title,.theme-silver .party-title{color:#718096}.theme-silver .invoice-items-table thead{background:#718096}.theme-silver .summary-row.total{border-top-color:#718096;color:#4a5568}.theme-silver .invoice-terms{border-left-color:#718096}
.theme-white .invoice-preview-header{border-bottom-color:#cbd5e0}.theme-white .invoice-title,.theme-white .party-title{color:#2d3748}.theme-white .invoice-items-table thead{background:#2d3748}.theme-white .summary-row.total{border-top-color:#2d3748;color:#1a202c}.theme-white .invoice-terms{border-left-color:#cbd5e0}
.theme-dark .invoice-preview-header{border-bottom-color:#2d3748}.theme-dark .invoice-title,.theme-dark .party-title{color:#4a5568}.theme-dark .invoice-items-table thead{background:#1a202c}.theme-dark .summary-row.total{border-top-color:#2d3748;color:#1a202c}.theme-dark .invoice-terms{border-left-color:#2d3748}
.settings-section{padding:1rem 0;border-bottom:1px solid var(--light-gray)}
.settings-section:last-child{border-bottom:none}
.settings-section h3{font-family:var(--font-primary);font-size:0.95rem;font-weight:600;margin-bottom:6px}
.settings-input{width:100%;padding:10px 12px;border:1.5px solid var(--medium-gray);border-radius:var(--radius-sm);font-size:0.85rem;margin-bottom:8px}
.settings-input:focus{outline:none;border-color:var(--primary)}
.status-indicator{display:flex;align-items:center;gap:8px;font-size:0.85rem}
.status-dot{width:10px;height:10px;border-radius:50%;background:var(--medium-gray)}
.status-dot.connected{background:var(--success)}.status-dot.disconnected{background:var(--danger)}
.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(255,255,255,0.9);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2000;backdrop-filter:blur(4px)}
.spinner{width:40px;height:40px;border:4px solid var(--light-gray);border-top-color:var(--primary);border-radius:50%;animation:spin 0.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--text-primary);color:white;padding:12px 24px;border-radius:var(--radius-sm);font-size:0.88rem;font-weight:500;box-shadow:var(--shadow-lg);opacity:0;transition:all 0.3s ease;z-index:3000;text-align:center;max-width:500px;white-space:nowrap}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
@media(max-width:1024px){.stats-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
.header-content{flex-wrap:wrap;justify-content:center;gap:8px}
.logo-brand{width:100%;justify-content:center}
.header-actions{width:100%;justify-content:center;flex-wrap:wrap}
.form-grid{grid-template-columns:1fr}
.form-row-2{grid-template-columns:1fr}
.item-fields{grid-template-columns:1fr 1fr}
.calculations{width:100%}
.stats-cards{grid-template-columns:1fr 1fr}
.section-header{flex-direction:column;align-items:flex-start}
.search-filter{width:100%}
.search-filter input,.search-filter select{flex:1;min-width:0}
.invoice-preview{padding:20px 15px;min-height:auto}
.invoice-preview-header{flex-direction:column;gap:12px}
.invoice-details-header{text-align:left}
.invoice-title{font-size:1.4rem}
.invoice-parties{flex-direction:column;gap:0.75rem}
.invoice-summary{width:100%}
.modal-content{max-height:95vh;border-radius:var(--radius-md)}
.modal-footer{flex-wrap:wrap}
.modal-footer button{flex:1;min-width:80px;justify-content:center}
.form-actions{justify-content:center}
.section-header-inline{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
.container{padding:0 0.75rem}
.item-fields{grid-template-columns:1fr}
.stats-cards{grid-template-columns:1fr}
.logo-text{font-size:1rem}
.invoice-form-container{padding:1rem}
.form-section{padding:1rem}
.btn-primary,.btn-secondary,.btn-email{padding:8px 12px;font-size:0.78rem}
.action-buttons{gap:2px}
.icon-btn{padding:4px}
.invoice-table th,.invoice-table td{padding:10px 8px;font-size:0.78rem}
}
@media print{.app-header,.form-actions,.modal-header,.modal-footer,.section-header,.action-buttons{display:none!important}.invoice-preview{box-shadow:none!important;border:none!important;padding:0!important}}