:root{--color-primary: #1c448a;--color-accent: #18c0ff;--color-foreground: #ffffff}*{box-sizing:border-box}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;padding:0;font-size:15px;line-height:1.5;color:#1f2937;background-color:#f3f4f6;background-image:url(/wecom/banner-shape.png);background-size:cover;background-position:center;background-attachment:fixed;background-repeat:no-repeat}a{color:var(--color-primary)}button{font-family:inherit}.app-shell{display:flex;flex-direction:column;min-height:100vh}.app-content{flex:1;padding:16px 16px 88px;max-width:480px;width:100%;margin:0 auto}.page-header{margin-bottom:16px}.page-header h1{margin:0;font-size:22px;color:#fff}.page-subtitle{margin:4px 0 0;color:#ffffffbf;font-size:13px}.auth-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:24px 16px;background:linear-gradient(160deg,var(--color-accent),var(--color-primary))}.auth-card{width:100%;max-width:380px;background:var(--color-foreground);border-radius:0 0 16px 16px;padding:28px 24px;box-shadow:0 10px 30px #00000014;text-align:center}.app-logo-wrap{width:100%;max-width:380px;background:var(--color-primary);border-radius:16px 16px 0 0;padding:16px 24px;display:flex;align-items:center;justify-content:center}.app-logo{max-width:160px;height:auto;display:block}.app-title{font-size:22px;margin:0 0 6px}.app-subtitle{color:#6b7280;margin:0 0 24px;font-size:14px}.form-stack{display:flex;flex-direction:column;text-align:left}.form-stack label{font-size:13px;font-weight:600;margin:12px 0 4px;color:#374151}.form-stack input,.form-stack select,.form-stack textarea{width:100%;padding:11px 12px;border:1px solid #d1d5db;border-radius:10px;font-size:15px;background:#fff;color:#1f2937}.form-stack input:focus,.form-stack select:focus,.form-stack textarea:focus{outline:2px solid 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14px;border-radius:10px;font-size:13px;margin-bottom:12px}.banner-success{background:#d1fae5;color:#065f46}.banner-error{background:#fee2e2;color:#991b1b}.banner-info{background:#dbeafe;color:#1e40af}.banner-warning{background:#fef3c7;color:#92400e}.error{color:#b91c1c;font-size:13px;margin:4px 0}.text-success{color:#047857}.text-danger{color:#b91c1c}.text-warning{color:#92400e}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:#fff;border-top:1px solid #e5e7eb;padding:6px 0 calc(6px + env(safe-area-inset-bottom));z-index:10}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0;color:#6b7280;text-decoration:none;font-size:12px}.nav-item.active{color:var(--color-primary)}.nav-icon{font-size:20px}.filter-form{display:flex;flex-wrap:wrap;gap:10px;align-items:end;background:#fff;border-radius:14px;padding:12px;margin-bottom:14px}.filter-row{display:flex;flex-direction:column;gap:4px;flex:1;min-width:100px}.filter-row label{font-size:12px;color:#6b7280}.filter-row input,.filter-row select{padding:8px;border:1px solid #d1d5db;border-radius:8px;font-size:13px}.filter-form .btn{width:auto;margin-top:0;padding:9px 16px}.history-list{list-style:none;margin:0;padding:0}.history-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.history-tags{display:flex;gap:6px;margin-top:8px}.tag{font-size:11px;font-weight:600;padding:3px 8px;border-radius:999px}.tag-warning{background:#fef3c7;color:#92400e}.tag-info{background:#dbeafe;color:#1e40af}.tag-danger{background:#fee2e2;color:#991b1b}.remarks{font-size:13px;color:#6b7280;margin:8px 0 0}.empty-state{text-align:center;color:#ffffffbf;padding:40px 0}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}.modal-dialog{background:#fff;border-radius:14px;padding:20px;max-width:400px;width:100%;box-shadow:0 10px 30px #00000026}.modal-dialog h3{margin:0 0 10px;font-size:17px}.modal-dialog p{margin:0 0 16px;font-size:14px;color:#374151}.modal-actions{display:flex;flex-direction:column;gap:10px}.modal-actions .btn{margin-top:0}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;color:#6b7280;gap:12px}.spinner{width:32px;height:32px;border:3px solid #e5e7eb;border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}