:root{
    --primary:#0f63d8;
    --primary-dark:#0b4fb0;
    --primary-soft:#eaf2ff;
    --sidebar-bg:#0d3f8a;
    --sidebar-hover:rgba(255,255,255,.16);
    --bg:#f4f7fc;
    --card:#ffffff;
    --text:#1f2937;
    --muted:#64748b;
    --border:#e5e7eb;
    --success:#16a34a;
    --warning:#f59e0b;
    --danger:#dc2626;
    --header-height:70px;
    --sidebar-width:245px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Segoe UI,Microsoft YaHei,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{text-decoration:none;color:inherit}

.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(160deg,#0649a8 0%,#0f63d8 52%,#2c8df7 100%);padding:18px}
.login-card{width:430px;max-width:100%;background:#fff;border-radius:28px;box-shadow:0 24px 70px rgba(0,27,73,.32);padding:36px 34px}
.login-logo{font-size:32px;font-weight:900;color:var(--primary);letter-spacing:.8px;text-align:center;margin-bottom:8px}
.login-title{text-align:center;font-size:22px;font-weight:800;margin-bottom:7px;color:#0f172a}
.login-subtitle{text-align:center;color:var(--muted);font-size:14px;margin-bottom:28px}
.form-label{display:block;font-size:14px;font-weight:700;margin:14px 0 8px;color:#334155}
.form-input,.form-select,.form-textarea{width:100%;border:1px solid var(--border);border-radius:13px;padding:12px 13px;font-size:15px;outline:none;background:#fff;transition:.15s}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(15,99,216,.13)}
.form-textarea{min-height:86px;resize:vertical}
.code-input{text-align:center;letter-spacing:8px;font-size:22px;font-weight:800}
.btn{border:0;border-radius:13px;padding:11px 17px;font-weight:800;cursor:pointer;font-size:14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-light{background:var(--primary-soft);color:var(--primary-dark)}.btn-light:hover{background:#dceaff}
.btn-gray{background:#f1f5f9;color:#334155}.btn-gray:hover{background:#e2e8f0}
.btn-full{width:100%;margin-top:22px}.resend-form .btn{margin-top:10px}
.alert{padding:12px 14px;border-radius:13px;font-size:14px;margin-bottom:14px}.alert-error{background:#fef2f2;color:#b91c1c}.alert-success{background:#ecfdf5;color:#047857}

.header{position:fixed;top:0;left:0;right:0;height:var(--header-height);background:linear-gradient(90deg,#074aa8,#0f63d8);box-shadow:0 3px 15px rgba(15,23,42,.18);display:flex;align-items:center;justify-content:space-between;padding:0 28px;z-index:10;color:#fff}
.brand{font-size:25px;font-weight:900;letter-spacing:.4px;color:#fff}.userbar{display:flex;align-items:center;gap:16px;color:rgba(255,255,255,.9);font-size:14px}.logout{color:#fff;font-weight:800;background:rgba(255,255,255,.14);padding:8px 13px;border-radius:10px}
.layout{display:flex;padding-top:var(--header-height);height:100vh}.sidebar{width:var(--sidebar-width);background:linear-gradient(180deg,#0b3d82,#092e63);color:#cbd5e1;padding:20px 14px;overflow:auto}.content{flex:1;min-width:0;padding:20px;overflow:auto}
.nav-title{font-size:12px;color:#bfdbfe;padding:12px 14px 8px}.nav-link{display:flex;align-items:center;gap:10px;padding:13px 14px;border-radius:13px;margin:4px 0;color:#eff6ff;font-weight:700}.nav-link.active,.nav-link:hover{background:var(--sidebar-hover);color:#fff}
.iframe-content{padding:0}.content-frame{width:100%;height:calc(100vh - var(--header-height));border:0;background:var(--bg)}
.card{background:var(--card);border-radius:20px;box-shadow:0 8px 26px rgba(15,23,42,.06);padding:17px;margin-bottom:17px;border:1px solid rgba(226,232,240,.9)}
.license-content{padding:18px}.search-card{margin-bottom:14px}.filter-row{display:grid;grid-template-columns:minmax(220px,1.4fr) minmax(150px,.7fr) auto;gap:12px;align-items:end}.table-wrap{overflow:auto;border-radius:15px;border:1px solid var(--border)}
table{width:100%;border-collapse:collapse;background:#fff;min-width:1120px}th,td{padding:12px 11px;border-bottom:1px solid #eef2f7;text-align:left;font-size:14px;vertical-align:middle}th{background:#f8fafc;color:#475569;font-size:13px;font-weight:900;white-space:nowrap}tr:hover td{background:#f9fbff}.mono{font-family:Consolas,Menlo,monospace;font-weight:800}.muted{color:var(--muted)}.device-code{max-width:230px;word-break:break-all}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:900}.badge.ok{background:#dcfce7;color:#166534}.badge.soon{background:#fef3c7;color:#92400e}.badge.expired{background:#fee2e2;color:#991b1b}.badge.disabled{background:#e5e7eb;color:#374151}
.pager{display:flex;justify-content:flex-end;align-items:center;gap:8px;margin-top:14px;flex-wrap:wrap}.pager a,.pager span.cur{padding:8px 11px;border-radius:10px;background:#fff;border:1px solid var(--border);font-weight:800}.pager .cur{background:var(--primary);color:#fff;border-color:var(--primary)}.total-count{margin-right:auto;font-size:14px}
.check-row{display:flex;gap:18px;align-items:center;margin-top:8px}.check-row label{display:flex;align-items:center;gap:8px;font-weight:800;color:#334155}.modal-check-row{padding:7px 0 3px}
.row-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.inline-form{display:inline;margin:0}.mini-btn{border:0;border-radius:10px;padding:7px 10px;font-size:12px;font-weight:900;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;line-height:1.1;white-space:nowrap}.mini-btn.renew{background:#e0f2fe;color:#075985}.mini-btn.edit{background:#eef2ff;color:#3730a3}.mini-btn.unbind{background:#fef3c7;color:#92400e}.mini-btn.disable{background:#fee2e2;color:#991b1b}.mini-btn.enable{background:#dcfce7;color:#166534}.mini-btn.log{background:#f1f5f9;color:#334155}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.52);display:flex;align-items:center;justify-content:center;z-index:50;padding:18px}.modal-card{width:560px;max-width:100%;max-height:90vh;overflow:auto;background:#fff;border-radius:22px;box-shadow:0 25px 80px rgba(0,0,0,.28);padding:24px;position:relative}.modal-card h2{font-size:22px;margin:0 34px 8px 0;color:#0f172a}.small-modal{width:430px}.log-modal{width:760px}.modal-close{position:absolute;right:17px;top:13px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:400;color:#64748b;background:#f1f5f9}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.log-list{display:grid;gap:10px;margin-top:14px}.log-item{border:1px solid #e5e7eb;border-radius:15px;padding:12px;background:#fbfdff}.log-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.log-head strong{color:#0f63d8}.log-head span,.log-operator{color:#64748b;font-size:13px}.log-values{margin-top:8px;display:grid;gap:5px;font-size:13px;word-break:break-word}.log-values span{font-weight:900;color:#334155}.empty-log{text-align:center;padding:22px}

@media(max-width:900px){
    .header{height:60px;padding:0 14px}.brand{font-size:21px}.layout{padding-top:60px;display:block;height:auto;min-height:100vh}.sidebar{display:flex;width:100%;padding:8px 10px;gap:8px;overflow-x:auto;background:#0b3d82}.nav-title{display:none}.nav-link{white-space:nowrap;margin:0;padding:10px 13px}.content{padding:12px}.iframe-content{padding:0}.content-frame{height:calc(100vh - 60px)}.userbar{gap:8px}.userbar span{display:none}.logout{padding:7px 10px}
    .login-card{padding:30px 24px;border-radius:24px}.login-logo{font-size:29px}.filter-row{grid-template-columns:1fr}.license-content{padding:12px}.card{padding:13px;border-radius:17px}
    .table-wrap{border:0;overflow:visible}.responsive-table{min-width:0;border-collapse:separate;border-spacing:0 12px}.responsive-table thead{display:none}.responsive-table,.responsive-table tbody,.responsive-table tr,.responsive-table td{display:block;width:100%}.responsive-table tr{background:#fff;border:1px solid #e5e7eb;border-radius:18px;box-shadow:0 7px 20px rgba(15,23,42,.06);overflow:hidden}.responsive-table td{border:0;border-bottom:1px solid #f1f5f9;padding:10px 12px;display:flex;justify-content:space-between;gap:14px;text-align:right}.responsive-table td:last-child{border-bottom:0;display:block;text-align:left}.responsive-table td::before{content:attr(data-label);font-weight:900;color:#475569;text-align:left;min-width:82px}.responsive-table td:last-child::before{display:block;margin-bottom:8px}.device-code{max-width:none;word-break:break-all}.row-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:7px}.mini-btn{width:100%;padding:10px 8px}.inline-form{display:block}.pager{justify-content:center}.total-count{width:100%;text-align:center;margin:0 0 4px}.modal-backdrop{align-items:flex-end;padding:0;background:rgba(15,23,42,.58)}.modal-card{width:100%;max-height:92vh;border-radius:22px 22px 0 0;padding:22px 18px}.modal-actions{display:grid;grid-template-columns:1fr 1fr}.log-head{display:block}.check-row{gap:14px;flex-wrap:wrap}
}

/* v4: 操作按钮和弹窗修正 */
body.modal-open{overflow:hidden}
.license-table th:last-child,.license-table td:last-child{min-width:360px}
.row-actions{display:grid;grid-template-columns:repeat(5, minmax(62px, 1fr));gap:6px;align-items:center;max-width:390px}
.row-actions .inline-form{display:block;margin:0;width:100%}
.row-actions .mini-btn{width:100%;height:34px;border:0;border-radius:9px;padding:0 7px;font-size:12px;font-weight:900;line-height:34px;text-align:center;box-shadow:none;appearance:none;-webkit-appearance:none;font-family:inherit}
.row-actions button.mini-btn{line-height:1;cursor:pointer}
.modal-backdrop{position:fixed!important;left:0!important;top:0!important;right:0!important;bottom:0!important;width:100vw!important;height:100vh!important;background:rgba(15,23,42,.58)!important;align-items:center;justify-content:center;z-index:99999!important;padding:18px!important}
.modal-card{position:relative;z-index:100000;margin:auto;transform:none!important}
button.modal-close{border:0;cursor:pointer;font-family:inherit;line-height:1}

@media(max-width:900px){
    .license-table th:last-child,.license-table td:last-child{min-width:0}
    .row-actions{grid-template-columns:repeat(2, minmax(0, 1fr));max-width:none;width:100%;gap:8px}
    .row-actions .mini-btn{height:40px;line-height:40px;font-size:13px}
    .row-actions button.mini-btn{line-height:1}
    .modal-backdrop{align-items:flex-end!important;padding:0!important}
    .modal-card{width:100%;max-height:92vh;border-radius:22px 22px 0 0;padding:22px 18px;overflow:auto}
}


/* v5: 操作提示自动隐藏 + 分页当前页文字改黑色 */
.alert{transition:opacity .25s ease, transform .25s ease;}
.alert.alert-hide{opacity:0;transform:translateY(-6px);}
.pager span.cur{color:#111827!important;background:#fff!important;border-color:var(--border)!important;}