:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#f4f7fb;--header-h:64px;--sidebar-w:230px}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:#f4f7fb}a{color:#1769e0;text-decoration:none}.app-header{position:fixed;z-index:30;top:0;left:0;right:0;height:var(--header-h);background:#0d1b2a;color:#fff;display:grid;grid-template-columns:var(--sidebar-w) 1fr auto;align-items:center;box-shadow:0 2px 12px rgba(13,27,42,.16)}.app-brand{font-weight:800;padding:0 22px;white-space:nowrap}.app-header-title{font-size:18px;font-weight:700;padding:0 24px}.app-user{padding:0 24px;color:#cbd5e1;font-size:14px}.sidebar{position:fixed;z-index:20;top:var(--header-h);left:0;bottom:0;width:var(--sidebar-w);background:#132337;border-top:1px solid rgba(255,255,255,.05)}.sidebar-nav{height:100%;padding:18px 12px;display:flex;flex-direction:column;gap:6px}.sidebar-link{display:block;color:#dbe5f1;padding:11px 13px;border-radius:9px;font-weight:600}.sidebar-link:hover{background:#1c334d;color:#fff}.sidebar-link.active{background:#1769e0;color:#fff}.sidebar-spacer{flex:1}.sidebar-link.logout{color:#ffd5d2}.app-main{margin-left:var(--sidebar-w);padding-top:var(--header-h);min-height:100vh}.wrap{max-width:1380px;margin:0 auto;padding:28px 28px 44px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}.card,.auth-card{min-width:0;background:#fff;border:1px solid #e0e6ef;border-radius:14px;padding:20px;box-shadow:0 6px 24px rgba(23,32,51,.05)}.auth-card{max-width:520px;margin:8vh auto}.metric{font-size:32px;font-weight:700}.muted{color:#667085}.ok,.error,.notice{padding:12px 14px;border-radius:10px;margin:12px 0}.ok{background:#eaf8ef}.error{background:#fdecec}.notice{background:#eef5ff}label{display:block;font-weight:600;margin:12px 0}input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cdd5df;border-radius:9px;margin-top:6px;background:#fff;color:#172033}input[readonly]{background:#f8fafc;color:#475467}button,.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:9px;padding:10px 14px;cursor:pointer;font:inherit;font-weight:600;white-space:nowrap}.primary{background:#1769e0;color:white}.danger{background:#b42318;color:white}.danger:disabled{opacity:.45;cursor:not-allowed}.secondary{background:#e9eef5;color:#172033}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:12px;border-bottom:1px solid #edf0f4;text-align:left;vertical-align:top}th{background:#f8fafc;font-size:13px}.badge{display:inline-block;padding:3px 8px;border-radius:999px;background:#eaf8ef;font-size:12px}.badge.blocked{background:#fdecec}.actions,.row-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.compact-form{margin:0}.flash-key{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:18px;background:#111827;color:#fff;padding:14px;border-radius:10px;word-break:break-all}.table-scroll{width:100%;overflow-x:auto;border:1px solid #e8edf3;border-radius:11px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.customers-layout{display:grid;grid-template-columns:minmax(300px,390px) minmax(0,1fr);gap:18px;align-items:start}.customer-list-card{min-width:0}.customer-table{min-width:760px}.action-col{width:190px}.license-create-card{max-width:980px}.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.customer-preview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:8px 0}.customer-preview label{margin:0}.customer-preview input[readonly]{background:#eef4fb;font-weight:600}.key-row{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap}.key-row .flash-key{flex:1;min-width:260px}.warning-card{border-color:#f2c94c;background:#fffdf3}.inline-form{margin:14px 0;padding:14px;background:#f8fafc;border-radius:10px}.check{display:flex;gap:8px;align-items:center}.check input{width:auto;margin:0}.metric+.muted{margin-top:4px}.mail-inline{display:inline-block;margin:0}.mail-inline button{height:100%}.license-sheet{max-width:900px;margin:35px auto;background:#fff;padding:42px;border:1px solid #e0e6ef;border-radius:14px}.sheet-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.sheet-brand{font-weight:800;color:#1769e0;letter-spacing:.04em}.sheet-head h1{margin:.25rem 0 0}.sheet-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#dfe5ec;border:1px solid #dfe5ec;margin:24px 0}.sheet-grid>div{background:#fff;padding:14px}.sheet-grid span{display:block;color:#667085;font-size:13px;margin-bottom:4px}.sheet-grid strong{display:block}.print-key{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:700;letter-spacing:.04em;border:2px dashed #172033;padding:18px;text-align:center;word-break:break-all}.sheet-note{margin-top:36px;padding-top:18px;border-top:1px solid #dfe5ec;color:#667085}
@media(max-width:980px){:root{--sidebar-w:200px}.customers-layout{grid-template-columns:1fr}.customer-form-card{max-width:none}}
@media(max-width:760px){:root{--header-h:58px}.app-header{grid-template-columns:1fr auto}.app-brand{display:none}.app-header-title{padding:0 14px;font-size:16px}.app-user{padding:0 14px;font-size:12px}.sidebar{width:100%;height:auto;top:var(--header-h);bottom:auto;overflow-x:auto}.sidebar-nav{height:auto;display:flex;flex-direction:row;padding:8px;gap:5px}.sidebar-link{padding:8px 10px;white-space:nowrap}.sidebar-spacer{display:none}.app-main{margin-left:0;padding-top:calc(var(--header-h) + 52px)}.wrap{padding:18px 14px 32px}.form-grid-2,.customer-preview{grid-template-columns:1fr}.license-sheet{margin:0;padding:20px;border:0;border-radius:0}.sheet-head{display:block}.sheet-head .actions{margin-top:16px}}
@media print{body{background:#fff}.no-print,.app-header,.sidebar{display:none!important}.app-main{margin:0;padding:0}.wrap{padding:0}.license-sheet{margin:0;max-width:none;border:0;box-shadow:none;padding:10mm}.notice{border:1px solid #bbb;background:#fff}}