:root{--bg:#0b1020;--panel:#111936;--card:#ffffff;--muted:#667085;--line:#e6e9f2;--blue:#2563eb;--green:#059669;--red:#dc2626;--text:#101828}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f4f7fb;color:var(--text)}.app{display:flex;min-height:100vh}.sidebar{width:270px;background:linear-gradient(180deg,#071126,#101b3d);color:#fff;padding:22px;position:fixed;height:100vh}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.logo{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,#60a5fa,#22c55e);display:flex;align-items:center;justify-content:center;font-weight:900}.brand span,.topbar span{display:block;color:#aab4cf;font-size:12px;margin-top:3px}nav a{display:block;color:#d9e2ff;text-decoration:none;padding:13px 14px;border-radius:14px;margin-bottom:7px}nav a:hover{background:rgba(255,255,255,.10)}.main{margin-left:270px;padding:24px;width:calc(100% - 270px)}.topbar{height:62px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px 18px;margin-bottom:22px;display:flex;justify-content:flex-end;box-shadow:0 10px 24px rgba(16,24,40,.05)}.page-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.page-title h1{margin:0;font-size:28px}.card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 30px rgba(16,24,40,.06);margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat{padding:20px;border-radius:22px;color:#fff;background:linear-gradient(135deg,#1d4ed8,#06b6d4)}.stat:nth-child(2){background:linear-gradient(135deg,#7c3aed,#ec4899)}.stat:nth-child(3){background:linear-gradient(135deg,#059669,#84cc16)}.stat:nth-child(4){background:linear-gradient(135deg,#ea580c,#facc15)}.stat b{font-size:30px}.stat span{display:block;margin-top:7px;opacity:.9}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:13px;color:#475467;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #d0d5dd;border-radius:13px;padding:12px;font-size:14px;background:#fff}.btn{display:inline-block;border:0;border-radius:13px;padding:11px 16px;background:var(--blue);color:#fff;text-decoration:none;cursor:pointer;font-weight:700}.btn.secondary{background:#344054}.btn.green{background:var(--green)}.btn.red{background:var(--red)}table{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px;font-size:14px}th{background:#f8fafc;color:#475467}.badge{padding:6px 10px;border-radius:999px;background:#eef2ff;color:#1d4ed8;font-weight:700;font-size:12px}.alert{padding:13px 16px;border-radius:14px;margin-bottom:15px}.success{background:#ecfdf3;color:#027a48}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top left,#2563eb,#071126 55%,#020617)}.login-card{width:430px;background:rgba(255,255,255,.96);border-radius:28px;padding:34px;box-shadow:0 24px 60px rgba(0,0,0,.3)}.login-card h1{margin-top:0}@media(max-width:900px){.sidebar{position:relative;width:100%;height:auto}.app{display:block}.main{margin-left:0;width:100%}.grid,.form-grid{grid-template-columns:1fr}}

.btn.small{padding:7px 10px;font-size:12px;margin:2px;border-radius:10px}
.btn.danger{background:#dc2626;color:white}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.bad{background:#fee2e2;color:#991b1b}
small{color:#64748b}

/* v3 advanced license UI */
.license-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:14px;flex-wrap:wrap}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px}.summary-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px;box-shadow:0 10px 24px rgba(16,24,40,.05)}.summary-card b{font-size:26px;display:block}.summary-card span{color:#64748b;font-size:13px}.license-key{font-family:Consolas,monospace;font-size:13px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:8px;display:inline-block;max-width:320px;word-break:break-word}.mini-form{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.mini-form input,.mini-form select{border:1px solid #d0d5dd;border-radius:10px;padding:8px;font-size:12px}.text-muted{color:#64748b}.nowrap{white-space:nowrap}.row-actions{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.license-details{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.detail-box{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:14px}.detail-box span{display:block;color:#64748b;font-size:12px;margin-bottom:4px}.detail-box b{font-size:15px}.history-timeline{border-left:3px solid #dbeafe;margin-left:10px;padding-left:18px}.history-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:12px;box-shadow:0 8px 18px rgba(16,24,40,.04)}.history-item h4{margin:0 0 5px 0}.badge.expiring{background:#ffedd5;color:#9a3412}.badge.trial{background:#fef3c7;color:#92400e}.badge.active{background:#dcfce7;color:#166534}.badge.blocked{background:#fee2e2;color:#991b1b}@media(max-width:900px){.summary-grid,.license-details{grid-template-columns:1fr}.license-key{max-width:100%}}

/* v4 simplified license UI */
.license-help-card{background:linear-gradient(135deg,#ffffff,#f8fafc)}
.license-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:12px}
.license-steps div{border:1px solid #e2e8f0;border-radius:18px;padding:14px;background:#fff;display:flex;gap:10px;align-items:center}
.license-steps b{display:inline-flex;width:32px;height:32px;border-radius:50%;align-items:center;justify-content:center;background:#2563eb;color:#fff}
.license-add-box summary{cursor:pointer;list-style:none;font-size:18px}
.license-clean-table td{vertical-align:top;padding-top:16px;padding-bottom:16px}
.simple-date-form{display:grid;grid-template-columns:1fr;gap:6px;min-width:230px}
.simple-date-form label{font-size:12px;color:#64748b;font-weight:700}
.simple-date-form input,.simple-date-form select{height:38px;border:1px solid #cbd5e1;border-radius:10px;padding:0 10px;background:#fff}
.stack-actions{margin:0 0 8px 0}
.stack-actions .btn{width:150px;text-align:center}
.days-pill{display:inline-block;margin-top:8px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
.days-pill.ok{background:#dcfce7;color:#166534}.days-pill.warn{background:#fef3c7;color:#92400e}.days-pill.danger{background:#fee2e2;color:#991b1b}
@media(max-width:1000px){.license-steps{grid-template-columns:1fr 1fr}.license-clean-table{display:block;overflow-x:auto}}
@media(max-width:640px){.license-steps{grid-template-columns:1fr}}

/* v5 license page - simple card based UI */
.license-page-v5 .quick-help{display:flex;justify-content:space-between;gap:18px;align-items:center;border-left:6px solid #2563eb}
.license-page-v5 .quick-help h2{margin:0 0 6px 0}.license-page-v5 .quick-help p{margin:0;color:#475467}
.help-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.help-flow span{background:#eef2ff;color:#1d4ed8;font-weight:800;padding:9px 12px;border-radius:999px;font-size:13px}.help-flow b{color:#94a3b8}
.license-summary-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.license-stat{background:#fff;border:1px solid #e6e9f2;border-radius:22px;padding:18px;box-shadow:0 10px 24px rgba(16,24,40,.05)}.license-stat b{font-size:30px;display:block}.license-stat span{color:#64748b;font-size:13px}.license-stat.green{border-left:5px solid #059669}.license-stat.amber{border-left:5px solid #f59e0b}.license-stat.red{border-left:5px solid #dc2626}
.add-device-card summary{cursor:pointer;list-style:none;font-size:17px;font-weight:800}.add-device-card summary span{background:#2563eb;color:#fff;padding:5px 10px;border-radius:12px;margin-right:8px}
.license-list-title{display:flex;align-items:end;justify-content:space-between;margin:18px 0 10px 0}.license-list-title h2{margin:0}.license-list-title span{color:#64748b}
.license-card-list{display:grid;gap:14px}.license-device-card{background:#fff;border:1px solid #e6e9f2;border-radius:24px;padding:18px;box-shadow:0 12px 30px rgba(16,24,40,.06);display:grid;grid-template-columns:minmax(360px,1.35fr) minmax(230px,.75fr) 170px;gap:18px;align-items:start}.lic-left{display:flex;gap:14px}.avatar-device{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,#2563eb,#22c55e);color:#fff;font-size:24px;font-weight:900;display:flex;align-items:center;justify-content:center;flex:0 0 auto}.lic-left h3{margin:0 0 4px 0;font-size:20px}.lic-left p{margin:4px 0;color:#475467;font-size:13px}.lic-key-line span{display:inline-block;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:12px;padding:8px 10px;margin:6px 0;font-family:Consolas,monospace;font-size:12px;color:#0f172a;word-break:break-word}.device-id{font-size:12px!important;color:#64748b!important}.lic-middle{display:grid;gap:9px}.validity-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:12px}.validity-box small{display:block;color:#64748b;margin-bottom:4px}.validity-box b{font-size:13px}.main-expiry{background:#eff6ff;border-color:#bfdbfe}.pending-box{padding:10px 12px;border-radius:16px;font-weight:900;text-align:center}.pending-box.ok{background:#dcfce7;color:#166534}.pending-box.due{background:#fef3c7;color:#92400e}.pending-box.expired{background:#fee2e2;color:#991b1b}.lic-actions{display:grid;gap:9px}.lic-actions form{margin:0}.action-primary{width:100%;text-align:center}.minor-actions{display:flex;gap:8px}.minor-actions .btn{flex:1;text-align:center}.advanced-edit{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:10px}.advanced-edit summary{cursor:pointer;font-weight:800;color:#344054}.advanced-form{display:grid;gap:7px;margin-top:10px}.advanced-form label{font-size:12px;color:#64748b;font-weight:800}.advanced-form input,.advanced-form select{height:36px;border:1px solid #cbd5e1;border-radius:10px;padding:0 9px;background:#fff;width:100%}.empty-license{text-align:center}.important-note-v5{background:#f8fafc}.important-note-v5 h2{margin-top:0}
@media(max-width:1200px){.license-device-card{grid-template-columns:1fr}.lic-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.advanced-edit{grid-column:1/-1}}
@media(max-width:900px){.license-page-v5 .quick-help{display:block}.help-flow{justify-content:flex-start;margin-top:12px}.license-summary-row{grid-template-columns:1fr 1fr}.license-list-title{display:block}.lic-actions{grid-template-columns:1fr}}
@media(max-width:640px){.license-summary-row{grid-template-columns:1fr}.lic-left{display:block}.avatar-device{margin-bottom:10px}}