*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #F7F8FA;--sidebar: #1A1D23;--sidebar-text: #9CA3AF;--sidebar-active: #FFFFFF;--sidebar-hover: #2D3139;--accent: #2563EB;--accent-hover: #1D4ED8;--white: #FFFFFF;--border: #E5E7EB;--text: #111827;--text2: #6B7280;--text3: #9CA3AF;--success: #059669;--warning: #D97706;--danger: #DC2626;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{cursor:pointer;font-family:inherit;font-size:14px}input,select,textarea{font-family:inherit;font-size:14px}a{text-decoration:none;color:inherit}.app{display:flex;height:100vh;overflow:hidden}.sidebar{width:220px;background:var(--sidebar);display:flex;flex-direction:column;flex-shrink:0}.sidebar-logo{padding:20px 16px;border-bottom:1px solid #2D3139}.sidebar-logo .brand{font-size:16px;font-weight:700;color:#fff;letter-spacing:-.3px}.sidebar-logo .sub{font-size:11px;color:var(--sidebar-text);margin-top:2px}.nav-section{padding:16px 16px 4px;font-size:10px;color:#4b5563;text-transform:uppercase;letter-spacing:.08em}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 16px;margin:1px 8px;border-radius:6px;color:var(--sidebar-text);cursor:pointer;transition:background .15s,color .15s;font-size:13px}.nav-item:hover{background:var(--sidebar-hover);color:#fff}.nav-item.active{background:var(--accent);color:#fff}.nav-item svg{width:16px;height:16px;flex-shrink:0}.sidebar-bottom{margin-top:auto;padding:12px;border-top:1px solid #2D3139}.user-pill{display:flex;align-items:center;gap:10px;padding:8px;border-radius:6px;cursor:pointer}.user-pill:hover{background:var(--sidebar-hover)}.avatar{width:32px;height:32px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;flex-shrink:0}.user-name{font-size:13px;color:#fff;font-weight:500}.user-role{font-size:11px;color:var(--sidebar-text)}.main{flex:1;overflow-y:auto;display:flex;flex-direction:column}.topbar{background:var(--white);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.topbar-title{font-size:16px;font-weight:600;color:var(--text)}.topbar-right{display:flex;gap:8px;align-items:center}.content{padding:24px;flex:1}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-weight:500;border:1px solid var(--border);background:var(--white);color:var(--text);transition:background .15s}.btn:hover{background:var(--bg)}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.btn-success{background:var(--success);color:#fff;border-color:var(--success)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-sm{padding:5px 10px;font-size:12px}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-body{padding:20px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-label{font-size:12px;color:var(--text2);margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:24px;font-weight:700;color:var(--text)}.stat-sub{font-size:12px;color:var(--text3);margin-top:4px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}thead th{padding:10px 16px;text-align:left;font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.05em;background:#f9fafb;border-bottom:1px solid var(--border)}tbody td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text)}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:#f9fafb}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:99px;font-size:11px;font-weight:600}.badge-draft{background:#f3f4f6;color:#6b7280}.badge-sent{background:#eff6ff;color:#2563eb}.badge-accepted{background:#ecfdf5;color:#059669}.badge-refused{background:#fef2f2;color:#dc2626}.badge-cancelled{background:#f3f4f6;color:#6b7280}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.form-group label{font-size:12px;font-weight:500;color:var(--text2)}.form-control{padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--white);color:var(--text);outline:none;transition:border-color .15s}.form-control:focus{border-color:var(--accent)}textarea.form-control{min-height:80px;resize:vertical}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.section-title{font-size:15px;font-weight:600;color:var(--text)}.search-box{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px}.search-box input{border:none;outline:none;background:transparent;flex:1;color:var(--text)}.login-page{min-height:100vh;background:var(--sidebar);display:flex;align-items:center;justify-content:center}.login-box{background:var(--white);border-radius:12px;padding:40px;width:380px;box-shadow:0 20px 60px #0000004d}.login-logo{text-align:center;margin-bottom:32px}.login-logo .brand{font-size:24px;font-weight:700;color:var(--accent)}.login-logo .sub{font-size:13px;color:var(--text2);margin-top:4px}.login-error{background:#fef2f2;color:var(--danger);padding:10px 12px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.lang-switcher{display:flex;gap:6px;justify-content:center;margin-bottom:24px}.lang-btn{padding:4px 10px;border-radius:4px;border:1px solid var(--border);background:var(--white);color:var(--text2);font-size:12px;font-weight:500}.lang-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.quote-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-section{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.form-section-title{font-size:11px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.07em;margin-bottom:16px}.lines-table{width:100%;border-collapse:collapse;font-size:13px}.lines-table th{padding:8px 6px;text-align:left;font-size:11px;color:var(--text2);background:#f9fafb;border-bottom:1px solid var(--border)}.lines-table td{padding:6px;border-bottom:1px solid var(--border)}.lines-table input{width:100%;border:1px solid transparent;background:transparent;padding:4px 6px;border-radius:4px}.lines-table input:focus{border-color:var(--accent);background:#fff;outline:none}.totals-box{background:#f9fafb;border-radius:var(--radius);padding:16px;margin-top:12px}.total-row{display:flex;justify-content:space-between;padding:4px 0;font-size:13px;color:var(--text2)}.total-row.main{font-size:16px;font-weight:700;color:var(--text);border-top:1px solid var(--border);margin-top:8px;padding-top:10px}.action-bar{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.clients-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.client-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:box-shadow .15s}.client-card:hover{box-shadow:0 4px 12px #0000001a}.client-avatar{width:40px;height:40px;border-radius:50%;background:#eff6ff;color:var(--accent);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;margin-bottom:10px}.client-name{font-weight:600;color:var(--text);margin-bottom:4px}.client-detail{font-size:12px;color:var(--text2)}@media (max-width: 768px){.sidebar{display:none}.stats-grid{grid-template-columns:repeat(2,1fr)}.quote-layout,.form-grid{grid-template-columns:1fr}.clients-grid{grid-template-columns:repeat(2,1fr)}}