:root{--c-primary: #31C89A;--c-primary-light: rgba(49, 200, 154, .1);--c-text: #333;--c-muted: #888;--c-bg: #f5f5f5;--c-surface: #fff;--c-border: #e8e8e8;--c-danger: #e74c3c;--c-success: #27ae60;--c-warning: #f39c12;--radius: 10px;--shadow: 0 2px 8px rgba(0,0,0,.06)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--c-bg);color:var(--c-text);-webkit-font-smoothing:antialiased}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--c-surface);border-right:1px solid var(--c-border);padding:20px 0;display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:10}.sidebar-logo{padding:0 20px 20px;border-bottom:1px solid var(--c-border);margin-bottom:12px}.sidebar-logo img{height:24px}.sidebar-logo span{display:block;font-size:10px;font-weight:600;color:var(--c-primary);text-transform:uppercase;letter-spacing:1px;margin-top:4px}.sidebar nav{flex:1}.nav-link{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--c-muted);text-decoration:none;font-size:14px;font-weight:500;transition:color .15s,background .15s}.nav-link:hover{color:var(--c-text);background:var(--c-bg)}.nav-link.active{color:var(--c-primary);background:var(--c-primary-light);font-weight:600}.nav-link svg{width:18px;height:18px;flex-shrink:0}.nav-section{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--c-muted);padding:16px 20px 6px}.sidebar-footer{padding:12px 20px;border-top:1px solid var(--c-border);font-size:12px}.sidebar-footer button{background:none;border:none;color:var(--c-muted);font:inherit;cursor:pointer}.sidebar-footer button:hover{color:var(--c-danger)}.main{flex:1;margin-left:220px;padding:24px 32px;max-width:1200px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h1{font-size:22px;font-weight:700}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--c-surface);padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}.stat-card .label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--c-muted);margin-bottom:6px}.stat-card .value{font-size:28px;font-weight:700;color:var(--c-primary)}.table-wrap{background:var(--c-surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px 14px;text-align:left;font-size:13px;border-bottom:1px solid var(--c-border)}th{font-weight:600;color:var(--c-muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px;background:#fafafa}tr:last-child td{border-bottom:none}tr:hover td{background:#fafafa}.badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:11px;font-weight:600}.badge-view{background:#e3f2fd;color:#1976d2}.badge-download{background:#e8f5e9;color:#388e3c}.badge-qr_open{background:#fff3e0;color:#f57c00}.badge-action_click{background:#fce4ec;color:#c2185b}.badge-new{background:#e3f2fd;color:#1976d2}.badge-contacted{background:#fff3e0;color:#f57c00}.badge-qualified{background:#e8f5e9;color:#388e3c}.badge-closed{background:#f5f5f5;color:#888}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:none;border-radius:8px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:transform .1s,box-shadow .1s}.btn:active{transform:scale(.97)}.btn-primary{background:var(--c-primary);color:#fff}.btn-primary:hover{box-shadow:0 4px 12px #31c89a4d}.btn-secondary{background:var(--c-bg);color:var(--c-text)}.btn-danger{background:var(--c-danger);color:#fff}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:12px;font-weight:600;color:var(--c-muted);margin-bottom:4px}.form-input{width:100%;padding:10px 12px;border:1.5px solid var(--c-border);border-radius:8px;font:inherit;font-size:14px;color:var(--c-text);outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--c-primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}select.form-input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}textarea.form-input{resize:vertical;min-height:80px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:100;display:flex;align-items:center;justify-content:center}.modal{background:var(--c-surface);border-radius:var(--radius);padding:24px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 16px 48px #00000026}.modal h2{font-size:18px;margin-bottom:16px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.login-card{background:var(--c-surface);border-radius:var(--radius);padding:40px;width:100%;max-width:380px;box-shadow:var(--shadow);text-align:center}.login-card img{height:32px;margin-bottom:24px}.login-card h1{font-size:20px;margin-bottom:24px}.login-error{background:#fce4ec;color:#c2185b;padding:8px 12px;border-radius:6px;font-size:13px;margin-bottom:12px}.lang-toggle{display:flex;gap:4px}.lang-btn{background:none;border:none;padding:4px 8px;font:inherit;font-size:11px;font-weight:600;color:var(--c-muted);cursor:pointer;border-radius:4px}.lang-btn:hover{color:var(--c-text)}.lang-btn.active{color:var(--c-primary);background:var(--c-primary-light)}.empty{text-align:center;padding:48px 24px;color:var(--c-muted)}.empty p{font-size:14px}@media(max-width:768px){.sidebar{display:none}.main{margin-left:0;padding:16px}.form-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,1fr)}}