.navbar{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;background-color:var(--color-primary);color:#fff;box-shadow:0 2px 4px #0000001a}.navbar-brand h1{font-size:1.5rem;margin:0}.navbar-right{display:flex;gap:20px;align-items:center}.app-version{font-size:.75rem;border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:2px 8px;letter-spacing:.3px}.user-email{font-size:.9rem}.btn-logout:hover{opacity:.9}.sidebar{width:250px;background-color:var(--color-secondary);border-right:1px solid var(--color-border);padding:20px 0;overflow-y:auto}.sidebar-nav{display:flex;flex-direction:column}.sidebar-link{padding:15px 20px;text-decoration:none;color:var(--color-text);border-left:3px solid transparent;transition:all .2s}.sidebar-link:hover{background-color:#e8e8e8;border-left-color:var(--color-primary)}.invoice-form{max-width:1000px;margin:0 auto;padding:20px}.invoice-form h1{margin-bottom:30px;font-size:2rem}.invoice-form h2{margin-top:30px;margin-bottom:15px;font-size:1.2rem;border-bottom:2px solid var(--color-primary);padding-bottom:10px}.form-section{margin-bottom:30px}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:600;font-size:.95rem}.form-group input,.form-group select{width:100%;padding:10px;border:1px solid var(--color-border);border-radius:4px;font-size:1rem}.form-group input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #0066cc1a}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.line-items-table{width:100%;border-collapse:collapse;margin-bottom:15px}.line-items-table th,.line-items-table td{padding:12px;text-align:left;border-bottom:1px solid var(--color-border)}.line-items-table th{background-color:var(--color-secondary);font-weight:600}.line-items-table input{width:100%;padding:8px;border:1px solid var(--color-border);border-radius:4px}.line-items-table 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var(--color-border)}.invoice-section:last-child{border-bottom:none}.invoice-section h2{margin-top:0;margin-bottom:15px;font-size:1.1rem}.invoice-section p{margin:0;line-height:1.6}.dates{display:grid;grid-template-columns:1fr 1fr;gap:20px}.dates div{display:flex;flex-direction:column}.dates .label{font-weight:600;margin-bottom:5px;font-size:.9rem}.line-items{width:100%;border-collapse:collapse}.line-items th{background-color:var(--color-secondary);padding:12px;text-align:left;font-weight:600;border-bottom:2px solid var(--color-border)}.line-items td{padding:12px;border-bottom:1px solid var(--color-border)}.totals{background-color:var(--color-secondary);padding:20px;border-radius:4px;text-align:right}.total-row{display:flex;justify-content:space-between;margin-bottom:10px;font-size:1rem}.total-row span:first-child{font-weight:500}.total-row span:last-child{font-weight:600}.grand-total{font-size:1.3rem;margin-top:15px;padding-top:15px;border-top:2px solid var(--color-border);color:var(--color-primary)}.invoice-detail.error{background-color:#ffebee;color:#c62828;padding:20px;border-radius:4px}.full-width{grid-column:1 / -1}@media (max-width: 768px){.detail-header{flex-direction:column}.detail-header .actions{justify-content:flex-start;width:100%}.btn{flex:1;min-width:100px}.dates{grid-template-columns:1fr}.invoice-content{padding:20px}}:root{--color-primary: #0066cc;--color-secondary: #f0f0f0;--color-accent: #ff6b35;--color-text: #333;--color-border: #e0e0e0;--color-page-bg: #ffffff}body.dark{--color-primary: #0d47a1;--color-secondary: #1a1f24;--color-accent: #ff8f5c;--color-text: #e9eef2;--color-border: #37474f;--color-page-bg: #0f1317}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--color-page-bg);color:var(--color-text);line-height:1.6}html,body,#root{height:100%;width:100%}.layout{display:flex;flex-direction:column;height:100vh}.layout-container{display:flex;flex:1;overflow:hidden}.layout-main{flex:1;overflow-y:auto;padding:20px}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:all .2s}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{opacity:.9}.btn-logout{background-color:var(--color-accent);color:#fff;padding:8px 16px;font-size:.9rem}.page{max-width:1200px;margin:0 auto}