*{box-sizing:border-box}
:root{--red:#d71920;--red2:#b80f16;--bg:#f4f5f7;--text:#1d1d1f;--muted:#73777d;--border:#e0e3e7;--paper:#fff}
html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--text);background:var(--bg)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.topbar{height:68px;background:#fff;border-bottom:1px solid #e7e7e7;display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}
.brand{font-size:24px;font-weight:800;color:#a90000}.brand.big{font-size:30px;margin-bottom:8px}
.top-actions{display:flex;gap:16px;align-items:center}
.container{max-width:1340px;margin:0 auto;padding:30px 28px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;margin:0 0 24px}
.page-head h1{margin:0;font-size:25px}.page-head p{margin:3px 0;color:var(--muted)}
.event-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:22px}
.event-card,.empty-card{background:#fff;border-radius:16px;padding:28px;box-shadow:0 6px 22px rgba(0,0,0,.07)}
.event-card{min-height:300px}.event-icon{font-size:38px}.event-card h2{font-size:22px;margin:14px 0 18px}
.event-meta{color:var(--muted);margin-bottom:18px}.stat-row{display:flex;justify-content:space-between;margin:10px 0}.stat-row strong{color:var(--red)}
.card-actions{display:flex;gap:10px;margin-top:22px}
.btn{border:0;border-radius:9px;padding:11px 18px;font-weight:700}.btn.primary{background:var(--red);color:#fff}.btn.primary:hover{background:var(--red2)}
.btn.danger{background:var(--red);color:#fff}.btn.gray{background:#6b6d70;color:#fff}.btn.light{background:#f0f1f3;color:#333}.btn.small{padding:9px 16px}.btn.full{width:100%}
.empty-card{min-height:240px;text-align:center}.empty-icon{font-size:48px}.empty-card h2{margin-bottom:6px}
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{width:min(430px,100%);background:#fff;border-radius:16px;padding:34px;box-shadow:0 14px 50px rgba(0,0,0,.12)}
.login-card h2{margin:18px 0 8px}.login-card form{display:grid;gap:10px}.login-card label,.side-box h2{font-weight:700}
.login-card input,.login-card select,.side-box input,.side-box select,.side-box textarea,.modal input,.modal select,.modal textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:11px 12px;background:#fff;outline:none}
.login-card input:focus,.login-card select:focus,.side-box input:focus,.side-box select:focus,.side-box textarea:focus,.modal input:focus,.modal select:focus,.modal textarea:focus{border-color:var(--red)}
.muted,.login-help{color:var(--muted);font-size:14px}.login-help{margin-top:18px;text-align:center}.login-help a{color:var(--red)}
.form-msg{min-height:20px;color:var(--red);font-size:14px}
.ledger-head{display:flex;gap:16px;align-items:center;background:#fff;margin:-30px -28px 20px;padding:16px 28px;border-bottom:1px solid #ddd}
.ledger-head h1{color:var(--red);font-size:25px}
.ledger-layout{display:grid;grid-template-columns:320px 1fr;gap:20px}
.sidebar{display:flex;flex-direction:column;gap:16px}.side-box{background:#fff;border-radius:14px;padding:20px;box-shadow:0 5px 20px rgba(0,0,0,.06);display:grid;gap:10px}
.side-box h2{text-align:center;margin:2px 0 10px;font-size:18px}.side-box textarea{min-height:70px;resize:vertical}
.upload-label{border:1px dashed #c7cbd0;border-radius:8px;padding:10px;color:#555;font-size:14px}.upload-label input{margin-top:6px}
.ledger-paper{background:var(--paper);min-height:680px;border:4px solid var(--red);border-radius:16px;overflow:hidden}
.ledger-summary{padding:20px;border-bottom:1px solid #ddd;display:flex;gap:34px}.ledger-summary b{color:var(--red);font-size:19px}
.gift-table-wrap{overflow:auto}.gift-table{width:100%;border-collapse:collapse}.gift-table th,.gift-table td{padding:13px 12px;border-bottom:1px solid #ececec;text-align:left;white-space:nowrap}.gift-table th{background:#fafafa}.gift-table .amount{color:var(--red);font-weight:700}.actions-cell{white-space:nowrap}
.link-btn{border:0;background:none;color:#1565c0;padding:3px 6px}.danger-text{color:var(--red)}
.paper-empty{height:550px;display:flex;align-items:center;justify-content:center;color:#999;background-image:linear-gradient(to right,rgba(215,25,32,.12) 1px,transparent 1px);background-size:10% 100%}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal{width:min(520px,100%);background:#fff;border-radius:15px;padding:25px;display:grid;gap:12px;box-shadow:0 20px 60px rgba(0,0,0,.25)}.modal-title{font-size:22px;font-weight:800;color:var(--red);margin-bottom:4px}.modal-actions{display:flex;gap:8px}.modal-actions .btn{flex:0 0 auto}
.image-modal{width:min(850px,100%)}.image-modal img{max-width:100%;max-height:70vh;object-fit:contain;border-radius:8px;background:#f3f3f3}
@media(max-width:800px){.container{padding:20px 14px}.topbar{padding:0 15px}.ledger-head{margin:-20px -14px 15px;padding:12px 14px}.ledger-layout{grid-template-columns:1fr}.ledger-paper{min-height:500px}.event-grid{grid-template-columns:1fr}.page-head{gap:12px;flex-direction:column}.page-head .btn{width:100%}.ledger-summary{flex-wrap:wrap;gap:15px}.gift-table th,.gift-table td{padding:10px 8px;font-size:13px}.brand{font-size:20px}}