:root{--navy:#071a2e;--panel:#0c2742;--line:#1f4965;--cyan:#67d8e8;--yellow:#ffd84a;--cream:#fff8df;--muted:#8eb3c7;--green:#77dc71;--red:#ff718d;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#f3fbff;background:#061525}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 75% 5%,#0e4560 0,transparent 35%),#061525}button,input,select,textarea{font:inherit}.admin-shell{display:grid;grid-template-columns:240px 1fr}.sidebar{position:sticky;top:0;height:100vh;padding:22px 14px;background:rgba(5,21,37,.96);border-right:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 26px;color:white;text-decoration:none}.brand span{display:grid;place-items:center;width:42px;height:42px;color:var(--navy);background:var(--yellow);font-weight:900;box-shadow:4px 4px 0 #143b55}.brand b{font-size:18px}.sidebar nav{display:grid;gap:7px}.sidebar nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;color:#a8c6d6;text-decoration:none;border:1px solid transparent}.sidebar nav a:hover,.sidebar nav a.active{color:white;background:#0c2f4b;border-color:#265d78}.sidebar nav i{width:20px;color:var(--yellow);font-style:normal;text-align:center}.logout{position:absolute;left:14px;right:14px;bottom:22px}.logout button{width:100%;padding:10px;color:#9ebdcb;border:1px solid #24485e;background:transparent;cursor:pointer}.main{width:100%;max-width:1480px;padding:32px 38px 60px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}.topbar small{color:var(--cyan);font:11px ui-monospace,monospace;letter-spacing:.16em}.topbar h1{margin:5px 0 0;font-size:28px}.user-chip{padding:8px 13px;color:var(--cyan);border:1px solid var(--line);background:#0a223a}.flash{margin:0 0 20px;padding:13px 16px;border-left:4px solid var(--green);background:#123b3a}.flash.error{border-color:var(--red);background:#482534}.grid{display:grid;gap:18px}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.stat,.panel,.template-card,.invite-card{border:1px solid var(--line);background:rgba(10,35,58,.9);box-shadow:0 10px 28px rgba(0,0,0,.12)}.stat{padding:20px}.stat small{color:var(--muted)}.stat strong{display:block;margin-top:10px;color:var(--yellow);font-size:30px}.panel{padding:22px}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.panel h2{margin:0;font-size:19px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 15px;color:#062039;background:var(--yellow);border:0;text-decoration:none;font-weight:800;cursor:pointer}.btn.secondary{color:#dff8ff;background:#123754;border:1px solid #2f6782}.btn.danger{color:#ffdbe3;background:#4c2132;border:1px solid #8d3d58}.btn.small{padding:7px 10px;font-size:13px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px 12px;border-bottom:1px solid #183e59;text-align:left;font-size:14px}th{color:#8db4c7;font-size:12px;font-weight:500}td a{color:var(--cyan)}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px}.badge.published{color:#baffb3;background:#1d4b34}.badge.draft{color:#ffe889;background:#524722}.badge.archived,.badge.suspended,.badge.expired{color:#b8c8d1;background:#273c4b}.badge.active{color:#baffb3;background:#1d4b34}.badge.grace{color:#ffe889;background:#524722}.actions{display:flex;gap:8px;align-items:center;white-space:nowrap}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label,.field>span{color:#a9c7d6;font-size:13px}.field input,.field select,.field textarea{width:100%;padding:12px 13px;color:white;border:1px solid #2b5c78;outline:none;background:#061b30}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--yellow)}.field textarea{min-height:90px;resize:vertical}.form-actions{display:flex;gap:10px;margin-top:22px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.template-card{overflow:hidden}.template-preview{aspect-ratio:16/9;background:#0e334e center/cover}.template-body{padding:16px}.template-body h3{margin:0 0 6px}.template-body p{min-height:42px;margin:0 0 15px;color:var(--muted);font-size:13px;line-height:1.6}.invite-card{padding:18px}.invite-card h3{margin:0 0 7px}.invite-card p{color:var(--muted)}.login-shell{display:grid;place-items:center;padding:20px}.login-shell .main{max-width:460px;padding:0}.login-shell .topbar{display:block;text-align:center}.login-card{padding:28px;border:1px solid #2a5873;background:rgba(8,31,52,.96);box-shadow:0 25px 70px rgba(0,0,0,.35)}.login-card .field{margin-bottom:16px}.login-card button{width:100%;margin-top:4px}.empty{padding:35px;text-align:center;color:var(--muted);border:1px dashed #2a5873}.hint{color:var(--muted);font-size:13px;line-height:1.7}.must-change{padding:12px 15px;color:#372f0b;background:#ffe37a;border-left:4px solid #ffb800}.detail-grid{grid-template-columns:minmax(0,1.3fr) minmax(300px,.7fr)}.details{display:grid;grid-template-columns:110px 1fr;gap:10px 16px;margin:20px 0 0}.details dt{color:var(--muted)}.details dd{margin:0}.check{display:block;margin-top:14px;color:#b7cfda;font-size:13px}.status-word{font-size:21px!important}.rsvp-yes{color:var(--green)}.rsvp-no{color:#ff9ab0}@media(max-width:900px){.detail-grid{grid-template-columns:1fr}.admin-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;padding:12px}.brand{padding-bottom:12px}.sidebar nav{display:flex;overflow:auto}.sidebar nav a{flex:0 0 auto}.logout{position:static;margin-top:10px}.main{padding:22px 15px 50px}.stats,.cards,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.topbar{align-items:flex-end}.user-chip{display:none}}