:root{--primary: #303139;--gold: #c9b48a;--accent: #4a7ceb;--green: #5cd64c;--bg: #f5f6f8;--card: #ffffff;--border: #e2e5ea;--text: #1a1a2e;--text-secondary: #6b7280;--text-muted: #9ca3af;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 4px 14px rgba(0,0,0,.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.loading-screen,.page-loading{display:flex;align-items:center;justify-content:center;min-height:300px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#f5f6f8,#e8eaef);padding:20px}.auth-card{background:var(--card);border-radius:16px;padding:48px 40px;width:100%;max-width:420px;box-shadow:var(--shadow-lg)}.auth-header{text-align:center;margin-bottom:32px}.auth-logo{font-size:26px;font-weight:300;color:var(--primary);letter-spacing:.5px}.auth-logo span{font-weight:400}.auth-subtitle{color:var(--text-muted);font-size:14px;margin-top:4px}.auth-welcome{text-align:center;margin-bottom:24px}.auth-welcome h2{font-size:20px;font-weight:500;margin-bottom:8px}.auth-welcome p{color:var(--text-secondary);font-size:14px}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-error{background:#fef2f2;color:#dc2626;padding:12px 16px;border-radius:8px;font-size:14px;border:1px solid #fecaca}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}.form-group input{padding:12px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px;outline:none;transition:border-color .2s}.form-group input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4a7ceb1a}.auth-btn{padding:14px;background:var(--primary);color:var(--gold);border:none;border-radius:8px;font-size:15px;font-weight:500;cursor:pointer;transition:opacity .2s;letter-spacing:.5px;margin-top:8px}.auth-btn:hover{opacity:.9}.auth-btn:disabled{opacity:.5;cursor:not-allowed}.auth-footer{text-align:center;margin-top:24px;color:var(--text-muted);font-size:13px}.auth-footer a{color:var(--accent);text-decoration:none}.portal-layout{min-height:100vh;display:flex;flex-direction:column}.portal-header{background:var(--primary);color:#fff;padding:0 24px;display:flex;align-items:center;height:56px;gap:16px;box-shadow:0 2px 8px #00000026;position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:12px}.header-logo{cursor:pointer;display:flex;align-items:baseline;gap:0;font-size:16px;font-weight:300}.logo-text{color:var(--gold)}.logo-sub{color:var(--gold);opacity:.7;font-size:14px}.header-divider{width:1px;height:24px;background:#fff3}.header-portal-label{font-size:13px;color:#ffffff80;font-weight:400}.header-nav{display:flex;gap:4px;margin-left:24px}.nav-btn{background:none;border:none;color:#ffffffb3;padding:8px 14px;border-radius:6px;cursor:pointer;font-size:14px;display:flex;align-items:center;gap:6px;transition:all .2s}.nav-btn:hover{background:#ffffff1a;color:#fff}.nav-btn.active{background:#ffffff26;color:#fff}.nav-icon{font-size:16px}.nav-badge{background:#ef4444;color:#fff;font-size:11px;font-weight:600;padding:1px 6px;border-radius:10px;min-width:18px;text-align:center}.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}.user-name{font-size:13px;color:#ffffffb3}.logout-btn{background:#ffffff1a;border:none;color:#fffc;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:13px;transition:all .2s}.logout-btn:hover{background:#fff3;color:#fff}.portal-main{flex:1;padding:24px;max-width:1200px;width:100%;margin:0 auto}.page-title{font-size:22px;font-weight:600;margin-bottom:20px}.case-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.case-card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);cursor:pointer;transition:all .2s;border:1px solid var(--border)}.case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.case-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.case-az{font-size:13px;font-weight:600;color:var(--accent);font-family:SF Mono,monospace}.status-badge{font-size:11px;font-weight:600;color:#fff;padding:2px 10px;border-radius:12px;text-transform:uppercase;letter-spacing:.5px}.status-badge.large{font-size:13px;padding:4px 14px}.case-title{font-size:16px;font-weight:500;margin-bottom:8px}.case-meta{display:flex;gap:12px;font-size:13px;color:var(--text-secondary);margin-bottom:12px}.case-footer{display:flex;justify-content:space-between;font-size:13px;color:var(--text-muted);padding-top:12px;border-top:1px solid var(--border)}.back-btn{background:none;border:none;color:var(--accent);font-size:14px;cursor:pointer;padding:4px 0;margin-bottom:12px}.case-detail-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.case-az-large{font-size:14px;font-weight:600;color:var(--accent);font-family:SF Mono,monospace}.case-title-large{font-size:24px;font-weight:600;margin-top:4px}.tab-bar{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:20px}.tab-btn{background:none;border:none;padding:10px 20px;font-size:14px;color:var(--text-secondary);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:500}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.info-item{background:var(--card);padding:16px;border-radius:8px;border:1px solid var(--border)}.info-item.full-width{grid-column:1 / -1}.info-item label{font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:4px}.info-item span,.info-item p{font-size:15px;color:var(--text)}.deadline-list{display:flex;flex-direction:column;gap:8px;margin-top:8px}.deadline-item{display:flex;gap:12px;align-items:center;padding:8px 12px;background:#f0fdf4;border-radius:6px}.deadline-date{font-size:13px;font-weight:500;color:var(--green);white-space:nowrap}.deadline-desc{font-size:14px}.breadcrumbs{margin-bottom:16px;font-size:14px}.bc-link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:14px}.bc-link.current{color:var(--text);cursor:default;font-weight:500}.bc-sep{color:var(--text-muted);margin:0 4px}.folder-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.folder-item{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:10px 16px;cursor:pointer;transition:all .2s;font-size:14px}.folder-item:hover{border-color:var(--accent);box-shadow:var(--shadow)}.folder-icon{font-size:18px}.file-list{display:flex;flex-direction:column;gap:4px}.file-item{display:flex;align-items:center;gap:12px;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:12px 16px;transition:background .2s}.file-item:hover{background:#fafbfc}.file-icon{font-size:20px;flex-shrink:0}.file-info{flex:1;min-width:0}.file-name{font-size:14px;font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-meta{font-size:12px;color:var(--text-muted)}.download-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:6px 14px;font-size:13px;cursor:pointer;color:var(--accent);transition:all .2s;white-space:nowrap;flex-shrink:0}.download-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.download-btn:disabled{opacity:.5;cursor:not-allowed}.message-actions{margin-bottom:16px}.compose-btn{background:var(--primary);color:var(--gold);border:none;padding:10px 20px;border-radius:8px;cursor:pointer;font-size:14px;transition:opacity .2s}.compose-btn:hover{opacity:.9}.compose-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px;display:flex;flex-direction:column;gap:12px}.compose-subject{padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;outline:none}.compose-subject:focus{border-color:var(--accent)}.compose-body{padding:10px 14px;border:1px solid var(--border);border-radius:6px;font-size:14px;outline:none;resize:vertical;font-family:inherit}.compose-body:focus{border-color:var(--accent)}.send-btn{align-self:flex-end;background:var(--accent);color:#fff;border:none;padding:10px 24px;border-radius:6px;cursor:pointer;font-size:14px;transition:opacity .2s}.send-btn:hover{opacity:.9}.send-btn:disabled{opacity:.5;cursor:not-allowed}.message-list{display:flex;flex-direction:column;gap:8px}.message-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:background .2s}.message-item.unread{border-left:3px solid var(--accent);background:#f0f5ff}.message-item.sent{border-left:3px solid var(--green)}.message-header{display:flex;justify-content:space-between;margin-bottom:4px}.message-sender{font-size:13px;font-weight:600}.message-date{font-size:12px;color:var(--text-muted)}.message-subject{font-size:15px;font-weight:500;margin-bottom:8px}.message-body{font-size:14px;color:var(--text-secondary);line-height:1.6;white-space:pre-wrap}.message-case{font-size:12px;color:var(--text-muted);margin-top:8px;padding-top:8px;border-top:1px solid var(--border)}.empty-state{text-align:center;padding:60px 20px}.empty-state.small{padding:30px 20px}.empty-icon{font-size:48px;margin-bottom:12px}.empty-state h2{font-size:18px;font-weight:500;margin-bottom:8px}.empty-state p{color:var(--text-secondary);font-size:14px}.back-link{background:none;border:none;color:var(--accent);cursor:pointer;font-size:14px;margin-top:8px}.contracts-section{margin-bottom:32px}.contract-cards{display:flex;flex-direction:column;gap:12px}.contract-card{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);cursor:pointer;transition:box-shadow .2s,transform .15s;border-left:4px solid var(--accent)}.contract-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px)}.contract-card-pending{border-left-color:#f0ad4e;background:linear-gradient(135deg,#fffcf5,var(--card))}.contract-card-signed{border-left-color:var(--green)}.contract-card-icon{font-size:1.5rem;flex-shrink:0}.contract-card-body h3{margin:0 0 4px;font-size:.95rem;font-weight:600;color:var(--text)}.contract-card-body p{margin:0;font-size:.8rem;color:var(--text-secondary)}.contract-card-action{margin-left:auto;font-size:.85rem;font-weight:600;color:var(--accent);white-space:nowrap}.contract-sign-page{max-width:800px;margin:0 auto;padding-bottom:60px}.contract-header h2{margin:0 0 8px;font-size:1.3rem;font-weight:700;color:var(--text)}.contract-meta{font-size:.85rem;color:var(--text-secondary);margin-bottom:24px}.contract-error{background:#fef2f2;border:1px solid #fca5a5;color:#b91c1c;padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:.85rem}.contract-document{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:40px;margin-bottom:24px;box-shadow:var(--shadow);max-height:600px;overflow-y:auto}.contract-content{font-family:Times New Roman,Georgia,serif;font-size:12pt;line-height:1.5;color:#1a1a1a}.contract-content h2{font-size:14pt;font-weight:700;margin:18pt 0 8pt;color:#303139}.contract-content h3{font-size:12pt;font-weight:700;margin:14pt 0 6pt}.contract-content p{margin-bottom:8pt;text-align:justify}.contract-content ul,.contract-content ol{margin:6pt 0 8pt 20pt}.contract-content li{margin-bottom:4pt}.contract-confirmations{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:24px}.contract-confirmations h3{margin:0 0 16px;font-size:1rem;font-weight:700}.contract-checkbox{display:flex;align-items:flex-start;gap:12px;padding:10px 0;cursor:pointer;font-size:.9rem;line-height:1.4;border-bottom:1px solid var(--border)}.contract-checkbox:last-child{border-bottom:none}.contract-checkbox input[type=checkbox]{margin-top:3px;width:18px;height:18px;flex-shrink:0;accent-color:var(--green)}.contract-signature-section{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:24px}.contract-signature-section h3{margin:0 0 16px;font-size:1rem;font-weight:700}.signature-canvas-wrapper{border:2px dashed var(--border);border-radius:8px;overflow:hidden}.signature-canvas{display:block;cursor:crosshair;background:#fafafa;touch-action:none}.signature-canvas-footer{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:#f5f6f8;border-top:1px solid var(--border)}.signature-hint{font-size:.8rem;color:var(--text-muted)}.signature-clear-btn{background:none;border:1px solid var(--border);border-radius:6px;padding:4px 12px;font-size:.8rem;color:var(--text-secondary);cursor:pointer}.signature-clear-btn:hover{background:#fff;border-color:var(--text-secondary)}.contract-actions{display:flex;gap:12px;margin-bottom:16px}.contract-sign-btn{flex:1;padding:14px 24px;font-size:1rem;font-weight:700}.contract-reject-btn{padding:14px 24px;font-size:.9rem;background:none;border:1px solid var(--border);border-radius:8px;color:var(--text-secondary);cursor:pointer}.contract-reject-btn:hover{border-color:#ef4444;color:#ef4444}.contract-legal-note{font-size:.75rem;color:var(--text-muted);text-align:center;line-height:1.4}.contract-success{text-align:center;padding:60px 20px}.success-icon{width:80px;height:80px;border-radius:50%;background:var(--green);color:#fff;font-size:2.5rem;display:flex;align-items:center;justify-content:center;margin:0 auto 24px}.contract-success h2{font-size:1.5rem;margin:0 0 12px}.contract-success p{color:var(--text-secondary);margin:0 0 8px;font-size:.95rem}.success-note{font-size:.85rem!important;margin-top:16px!important}.contract-success .btn-primary{margin-top:24px}@media(max-width:768px){.portal-header{gap:8px;height:auto;flex-wrap:wrap;padding:8px 12px}.header-left{flex:1}.header-divider,.header-portal-label{display:none}.header-nav{order:3;width:100%}.header-right{margin-left:auto}.user-name{display:none}.portal-main{padding:16px}.case-grid,.info-grid{grid-template-columns:1fr}.case-detail-header{flex-direction:column;gap:12px}.auth-card{padding:32px 24px}.contract-document{padding:20px}.contract-actions{flex-direction:column}.contract-card{flex-wrap:wrap}.contract-card-action{width:100%;margin-left:0;margin-top:8px}}