:root{
  --green:#16a065;
  --green-dark:#128653;
  --green-light:#effaf5;
  --black:#161616;
  --text:#252525;
  --muted:#777;
  --border:#e2e5e3;
  --bg:#f6f7f7;
  --white:#fff;
  --danger:#b42318;
  --danger-bg:#fff4f2;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Arial,sans-serif;color:var(--text);background:var(--bg)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
[hidden]{display:none!important}

.login-shell{min-height:100vh;display:grid;place-items:center;padding:28px}
.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--border);border-radius:18px;padding:30px;box-shadow:0 18px 45px rgba(0,0,0,.07)}
.brand,.sidebar-brand{font-size:31px;font-weight:800;letter-spacing:-1.4px;color:#111}
.brand b,.sidebar-brand b{color:var(--green)}
.admin-label{display:inline-block;margin:10px 0 20px;padding:5px 8px;background:#111;color:#fff;border-radius:6px;font-size:10px;font-weight:800;letter-spacing:1px}
.login-card h1{margin:22px 0 18px;font-size:23px}
.login-card p{margin:0 0 23px;color:var(--muted);font-size:13px;line-height:1.5}
.login-card label{display:block;margin:14px 0 0;font-size:12px;font-weight:700}
.login-card input{width:100%;height:44px;margin-top:6px;padding:0 12px;border:1px solid #d6dad7;border-radius:9px;outline:none}
.login-card input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(22,160,101,.08)}
.form-error{min-height:18px;margin:10px 0 0;color:var(--danger);font-size:12px}

.primary,.secondary,.danger,.ghost{border-radius:9px;font-weight:700;border:1px solid transparent}
.primary{width:100%;height:44px;background:#111;color:#fff}
.secondary{padding:9px 13px;background:#fff;color:#222;border-color:#d8dcda}
.secondary:hover{border-color:var(--green)}
.danger{padding:9px 13px;background:var(--danger-bg);color:var(--danger);border-color:#efc8c2}
.ghost{padding:8px 11px;background:#f3f5f4;color:#333}
button:disabled{opacity:.55;cursor:default}

.app-shell{min-height:100vh;display:grid;grid-template-columns:235px 1fr}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:28px;padding:25px 18px;background:#fff;border-right:1px solid var(--border)}
.sidebar-brand{font-size:25px}
.sidebar-caption{margin-top:7px;color:#4f4f4f;font-size:14px;font-weight:700}
.sidebar nav{display:flex;flex-direction:column;gap:5px}
.nav-item{width:100%;padding:10px 11px;border:0;border-radius:8px;background:transparent;text-align:left;color:#555;font-size:13px;font-weight:700}
.nav-item:hover{background:#f1f4f2;color:#222}
.nav-item.active{background:var(--green-light);color:var(--green-dark)}
.sidebar-footer{margin-top:auto;padding-top:16px;border-top:1px solid var(--border)}
.link-button{margin-top:0;padding:4px 0;border:0;background:transparent;color:#2f2f2f;font-size:14px;font-weight:700}
.link-button:hover{color:#111}

.main{min-width:0;padding:28px 34px 50px}
.topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:21px}
.topbar h1{margin:0;font-size:26px}
.subtitle{margin-top:6px;color:var(--muted);font-size:13px}

.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;margin-bottom:18px}
.metric{padding:15px 16px;background:#fff;border:1px solid var(--border);border-radius:12px}
.metric-label{color:#888;font-size:11px}
.metric-value{margin-top:7px;font-size:22px;font-weight:800}

.panel{background:#fff;border:1px solid var(--border);border-radius:13px;overflow:hidden}
.toolbar{display:flex;align-items:center;gap:9px;padding:12px;border-bottom:1px solid var(--border)}
.search{flex:1;min-width:180px;height:39px;padding:0 12px;border:1px solid #d7dbd9;border-radius:8px;outline:none}
.search:focus{border-color:var(--green)}
.select{height:39px;padding:0 10px;border:1px solid #d7dbd9;border-radius:8px;background:#fff}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{padding:11px 12px;border-bottom:1px solid #eceeed;text-align:left;vertical-align:middle;white-space:nowrap}
th{background:#fafbfa;color:#777;font-size:10px;text-transform:uppercase;letter-spacing:.3px}
tbody tr:hover{background:#fbfdfc}
tbody tr:last-child td{border-bottom:0}
.clickable{cursor:pointer}
.email-cell{font-weight:700;color:#222}
.muted{color:#888}
.badge{display:inline-flex;align-items:center;min-height:22px;padding:3px 7px;border-radius:20px;font-size:10px;font-weight:800}
.badge-pro{background:#e7f7ee;color:#117946}
.badge-free{background:#f1f1f1;color:#555}
.badge-blocked{background:#fff0ee;color:#a92b20}
.badge-paid{background:#e7f7ee;color:#117946}
.badge-failed,.badge-refunded{background:#fff3f0;color:#9c3025}
.empty{padding:38px;text-align:center;color:#888;font-size:13px}
.loading{padding:38px;text-align:center;color:#777}

.modal-overlay{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:24px;background:rgba(0,0,0,.34)}
.modal{width:min(860px,100%);max-height:calc(100vh - 48px);overflow:auto;background:#fff;border-radius:16px;box-shadow:0 24px 80px rgba(0,0,0,.2)}
.modal-head{position:sticky;top:0;z-index:2;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:20px 22px;background:#fff;border-bottom:1px solid var(--border)}
.modal-head h2{margin:0;font-size:20px}
.modal-head p{margin:5px 0 0;color:#777;font-size:12px}
.close{width:32px;height:32px;border:0;border-radius:8px;background:#f1f4f2;font-size:20px}
.modal-body{padding:21px 22px}
.detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.detail-row{padding:11px 12px;background:#f8f9f9;border-radius:9px}
.detail-key{color:#888;font-size:10px;text-transform:uppercase}
.detail-value{margin-top:5px;font-size:13px;font-weight:700;overflow-wrap:anywhere}
.section-title{margin:24px 0 10px;font-size:14px;font-weight:800}
.actions{display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.actions>button{width:240px;max-width:100%;min-height:34px;padding:7px 10px;text-align:left;font-size:12px}
.pro-grant-action{width:240px;max-width:100%;display:grid;grid-template-columns:auto auto 58px auto;align-items:center;gap:6px}
.pro-grant-action button{min-height:34px;padding:7px 9px;font-size:12px;white-space:nowrap}
.pro-grant-action input{width:58px;height:34px;padding:0 7px;border:1px solid #d7dbd9;border-radius:8px;font-size:12px}
.pro-grant-word{font-size:12px;color:#555;white-space:nowrap}
.inline-form{display:flex;align-items:center;gap:7px}
.inline-form input{width:80px;height:37px;padding:0 8px;border:1px solid #d7dbd9;border-radius:8px}
.history-list{display:flex;flex-direction:column;gap:7px}
.history-item{display:flex;justify-content:space-between;gap:20px;padding:10px 11px;border:1px solid #e8eae9;border-radius:8px;font-size:11px}
.history-item b{font-size:12px}

.log-list{margin:0;padding:0;list-style:none}
.log-line{padding:9px 12px;border-bottom:1px solid #eceeed;font-family:Consolas,monospace;font-size:11px;white-space:pre-wrap;overflow-wrap:anywhere}
.audit-details{max-width:380px;white-space:normal;overflow-wrap:anywhere}
.toast{position:fixed;left:50%;bottom:24px;z-index:2000;max-width:520px;transform:translate(-50%,20px);padding:12px 15px;background:#111;color:#fff;border-radius:10px;font-size:12px;opacity:0;pointer-events:none;transition:.2s}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast.error{background:#8f2119}

@media(max-width:1000px){
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:static;height:auto}
  .sidebar nav{flex-direction:row;overflow:auto}
  .sidebar-footer{display:none}
  .main{padding:20px 14px 40px}
  .metrics{grid-template-columns:1fr 1fr}
  .detail-grid{grid-template-columns:1fr}
}

.history-empty{font-size:11px;color:#9a9a9a;line-height:1.4;padding:2px 0 0}

.security-help{margin:0 0 15px!important;color:#6b7280!important;font-size:12px!important;line-height:1.5!important}
.security-code{font-size:20px!important;font-weight:700;letter-spacing:5px;text-align:center}
.security-secret-wrap{margin:12px 0 14px;padding:12px;border:1px solid #dfe4e1;border-radius:9px;background:#f7f9f8}
.security-secret-label{margin-bottom:6px;color:#777;font-size:10px;font-weight:700;text-transform:uppercase}
.security-secret{font-family:Consolas,monospace;font-size:13px;font-weight:700;letter-spacing:1px;overflow-wrap:anywhere;user-select:all}
.login-secondary{width:100%;height:40px;margin-top:8px;border:1px solid #d8dcda;border-radius:9px;background:#fff;color:#444;font-weight:700}
.login-secondary:hover{border-color:#999}