/* NextAPI 用户端公共样式 */
:root{--p:#6c63ff;--pd:#574fd6;--g:#07c160;--r:#ff4d4f;--dk:#0f0f23;--dk2:#13132e;--cd:#1e1e42;--tx:#e8e8f0;--mt:#8888aa;--bd:rgba(108,99,255,.22)}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;background:var(--dk);color:var(--tx);min-height:100vh}
a{color:var(--p);text-decoration:none}a:hover{text-decoration:underline}
input,textarea,select{font-family:inherit}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:var(--dk2);border-right:1px solid var(--bd);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50}
.sidebar-logo{padding:24px 20px 20px;font-size:20px;font-weight:900;border-bottom:1px solid var(--bd)}
.sidebar-logo span{color:var(--p)}
.sidebar-nav{flex:1;padding:16px 0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 20px;font-size:14px;color:var(--mt);cursor:pointer;transition:all .18s;text-decoration:none;border-left:3px solid transparent}
.nav-item:hover{color:var(--tx);background:rgba(108,99,255,.08)}
.nav-item.active{color:#fff;background:rgba(108,99,255,.15);border-left-color:var(--p)}
.nav-item .ico{font-size:17px;width:22px;text-align:center}
.sidebar-foot{padding:16px 20px;border-top:1px solid var(--bd);font-size:13px;color:var(--mt)}
.main-area{margin-left:220px;flex:1;display:flex;flex-direction:column}
.topbar{height:60px;background:var(--dk2);border-bottom:1px solid var(--bd);display:flex;align-items:center;padding:0 28px;gap:16px;position:sticky;top:0;z-index:40}
.topbar-title{font-size:16px;font-weight:700;flex:1}
.topbar-user{font-size:13px;color:var(--mt)}
.content{padding:28px;flex:1}

/* Cards */
.card{background:var(--cd);border:1px solid var(--bd);border-radius:14px;padding:24px}
.card-title{font-size:15px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.cards-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--cd);border:1px solid var(--bd);border-radius:14px;padding:20px 24px}
.stat-label{font-size:13px;color:var(--mt);margin-bottom:8px}
.stat-val{font-size:28px;font-weight:800;color:#fff}
.stat-val small{font-size:14px;font-weight:400;color:var(--mt)}

/* Table */
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;padding:10px 14px;color:var(--mt);border-bottom:1px solid var(--bd);font-weight:600;white-space:nowrap}
td{padding:12px 14px;border-bottom:1px solid rgba(108,99,255,.1);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(108,99,255,.04)}

/* Badges */
.badge{display:inline-block;padding:3px 10px;border-radius:100px;font-size:12px;font-weight:600}
.badge-green{background:rgba(7,193,96,.15);color:var(--g)}
.badge-red{background:rgba(255,77,79,.15);color:var(--r)}
.badge-gray{background:rgba(136,136,170,.15);color:var(--mt)}
.badge-blue{background:rgba(108,99,255,.2);color:#a89fff}

/* Forms */
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:13px;color:var(--mt);margin-bottom:7px;font-weight:500}
.form-input{width:100%;padding:11px 14px;border-radius:9px;border:1px solid var(--bd);background:rgba(255,255,255,.04);color:var(--tx);font-size:14px;outline:none;transition:border-color .2s}
.form-input:focus{border-color:var(--p);background:rgba(108,99,255,.06)}
.form-hint{font-size:12px;color:var(--mt);margin-top:5px}
select.form-input option{background:#1e1e42}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 22px;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .18s;text-decoration:none}
.btn-primary{background:var(--p);color:#fff;box-shadow:0 4px 16px rgba(108,99,255,.35)}.btn-primary:hover{background:var(--pd)}
.btn-outline{background:transparent;color:var(--p);border:1.5px solid var(--p)}.btn-outline:hover{background:var(--p);color:#fff}
.btn-danger{background:rgba(255,77,79,.15);color:var(--r);border:1.5px solid rgba(255,77,79,.3)}.btn-danger:hover{background:var(--r);color:#fff}
.btn-sm{padding:6px 14px;font-size:13px;border-radius:7px}
.btn-block{width:100%;padding:13px}

/* Alert */
.alert{padding:12px 16px;border-radius:9px;font-size:14px;margin-bottom:16px;line-height:1.6}
.alert-err{background:rgba(255,77,79,.12);border:1px solid rgba(255,77,79,.3);color:#ff7070}
.alert-ok{background:rgba(7,193,96,.12);border:1px solid rgba(7,193,96,.3);color:#2ecc71}

/* Auth pages */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(108,99,255,.15) 0%,transparent 70%)}
.auth-box{background:var(--cd);border:1px solid var(--bd);border-radius:20px;padding:44px 40px;width:100%;max-width:420px;box-shadow:0 24px 64px rgba(0,0,0,.4)}
.auth-logo{text-align:center;font-size:26px;font-weight:900;margin-bottom:8px}.auth-logo span{color:var(--p)}
.auth-sub{text-align:center;color:var(--mt);font-size:14px;margin-bottom:32px}

/* Key box */
.key-box{background:rgba(255,255,255,.04);border:1px solid var(--bd);border-radius:9px;padding:11px 14px;font-family:'Consolas',monospace;font-size:13px;word-break:break-all;letter-spacing:.5px;color:#a89fff}

/* Pagination */
.pagination{display:flex;gap:8px;margin-top:20px;align-items:center}
.page-btn{padding:6px 14px;border-radius:7px;border:1px solid var(--bd);background:transparent;color:var(--mt);cursor:pointer;font-size:13px;transition:all .18s}
.page-btn:hover,.page-btn.active{background:var(--p);color:#fff;border-color:var(--p)}

/* Invite box */
.invite-code-box{display:flex;align-items:center;gap:12px;background:rgba(108,99,255,.1);border:1px solid var(--bd);border-radius:10px;padding:14px 18px}
.invite-code{font-size:22px;font-weight:900;letter-spacing:3px;color:#fff;flex:1}

/* Toast */
#toast{position:fixed;bottom:32px;left:50%;transform:translateX(-50%);background:#333;color:#fff;padding:11px 28px;border-radius:100px;font-size:14px;z-index:9999;opacity:0;pointer-events:none;transition:opacity .3s;white-space:nowrap}
#toast.show{opacity:1}

/* Responsive */
@media(max-width:768px){.sidebar{width:100%;height:auto;position:relative;border-right:none;border-bottom:1px solid var(--bd)}.sidebar-nav{display:flex;overflow-x:auto;padding:0}.main-area{margin-left:0}.layout{flex-direction:column}}