:root{--bg:#f4f5f6;--surface:#fff;--ink:#17191d;--muted:#737983;--line:#e3e5e8;--nav:#111316;--nav-soft:#202328;--accent:#248f9c;--accent-soft:#e8f5f6;--danger:#a23a3a;--radius:14px;--shadow:0 14px 40px rgba(20,24,30,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}body:not(.login-page){display:grid;grid-template-columns:268px minmax(0,1fr)}
aside{position:sticky;top:0;height:100vh;background:var(--nav);color:#fff;padding:28px 22px;display:flex;flex-direction:column}.admin-logo{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:800;letter-spacing:-.02em}.admin-logo:before{content:"HD";display:grid;place-items:center;width:39px;height:39px;border:1px solid #3e444d;border-radius:10px;color:#72cbd4;font-size:11px;letter-spacing:.06em}aside nav{display:grid;gap:5px;margin-top:52px}aside nav a{position:relative;padding:12px 14px;color:#aeb4bd;border-radius:8px;font-weight:600}aside nav a:hover,aside nav a.active{background:var(--nav-soft);color:#fff}aside nav a.active:before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:9px;background:#59bdc8}aside nav span{margin:28px 14px 7px;color:#626a74;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.16em}.disabled{opacity:.38;pointer-events:none}.logout{margin-top:auto;padding:12px 14px;color:#949ba5;border-top:1px solid #2a2e34}.logout:hover{color:#fff}
.admin-main{min-width:0;padding:44px clamp(24px,5vw,76px) 72px}.admin-head{display:flex;justify-content:space-between;align-items:center;gap:22px;margin-bottom:30px}.admin-head>div>span,.eyebrow{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.15em;color:var(--accent)}.admin-head h1{margin:5px 0 0;font-size:clamp(30px,3vw,43px);line-height:1.05;letter-spacing:-.045em}.admin-head>a:not(.back-link),.admin-action{padding:11px 15px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:12px;font-weight:700;box-shadow:0 4px 14px rgba(20,24,30,.04)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}.stats article,.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.stats article{padding:24px}.stats strong{display:block;font-size:34px;line-height:1;letter-spacing:-.04em}.stats span{display:block;margin-top:9px;color:var(--muted);font-size:12px}.panel{padding:25px}.panel+.panel{margin-top:18px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:18px}.panel h2{margin:0;font-size:19px;letter-spacing:-.02em}.panel-copy{margin:6px 0 0;color:var(--muted)}
.table-wrap{overflow:auto;margin:0 -4px}table{width:100%;border-collapse:collapse;margin-top:17px}th,td{text-align:left;padding:14px 12px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.09em}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:#fafbfb}.pill{display:inline-block;padding:5px 9px;border-radius:99px;background:#edf0f2;color:#59606a;font-size:10px;font-weight:700}.filters{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}.filters a{padding:8px 11px;border:1px solid var(--line);border-radius:7px;background:#fff;font-size:11px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}dl{display:grid;grid-template-columns:130px 1fr;gap:13px;margin:0}dt{color:var(--muted)}dd{margin:0}.message{white-space:normal}
.admin-form{display:grid;gap:17px}.admin-form label,.login-card label{display:grid;gap:7px;font-size:12px;font-weight:700}.admin-form input,.admin-form select,.admin-form textarea,.login-card input{width:100%;padding:12px 13px;border:1px solid #dadddf;border-radius:8px;background:#fff;color:var(--ink);outline:0;transition:.15s}.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus,.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(36,143,156,.12)}.admin-form button,.login-card button,.small-action{border:0;border-radius:8px;background:var(--ink);color:#fff;padding:12px 17px;font-weight:700;cursor:pointer}.settings-form{grid-template-columns:1fr 1fr}.settings-form button{grid-column:1/-1}.notice,.alert{padding:13px 15px;border-radius:8px;margin-bottom:18px}.success{background:#e2f5e9;color:#17683b}.error{background:#fde8e8;color:#922d2d}
.login-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 75% 20%,#263036 0,transparent 35%),#101215}.login-card{width:min(440px,100%);padding:38px;border:1px solid #2a2e34;border-radius:18px;background:#fff;box-shadow:0 30px 90px #0008;display:grid;gap:18px}.login-card .admin-logo{margin:0}.login-card h1{font-size:31px;letter-spacing:-.04em;margin:8px 0 0}.login-card p{margin:0;color:var(--muted)}.login-card>a{text-align:center;color:var(--muted);font-size:12px}.demo-hint{display:grid;gap:3px;padding:12px;border:1px solid #c8e2e5;border-radius:8px;background:var(--accent-soft);color:#315c63;font-size:12px}
.customer-admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}.customer-admin-card{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:20px;border:1px solid var(--line);border-radius:11px;background:#fff;transition:.18s}.customer-admin-card:hover{border-color:#aeb4ba;box-shadow:0 10px 28px rgba(20,24,30,.08);transform:translateY(-2px)}.customer-initial{display:grid;place-items:center;width:47px;height:47px;border-radius:11px;background:var(--nav);color:#73cbd4;font-size:11px;font-weight:800}.customer-admin-card h3{margin:10px 0 4px;font-size:18px}.customer-admin-card p{margin:0;color:var(--muted)}.customer-admin-card footer{display:flex;gap:17px;margin-top:17px;font-size:11px;font-weight:700}.back-link{display:block;margin-bottom:6px;color:var(--accent);font-size:12px}.customer-detail-head{display:grid;grid-template-columns:1fr 290px;gap:18px}.quick-actions{display:grid;align-content:start;gap:7px;padding:19px;border-radius:var(--radius);background:var(--nav);color:#fff}.quick-actions strong{padding:6px 11px;color:#8e969f;font-size:10px;text-transform:uppercase;letter-spacing:.12em}.quick-actions a{display:flex;justify-content:space-between;padding:10px 11px;border:1px solid #333840;border-radius:7px}.admin-tabs{display:flex;gap:8px;overflow:auto;margin:20px 0}.admin-tabs a{padding:9px 12px;border:1px solid var(--line);border-radius:7px;background:#fff;white-space:nowrap}.admin-tabs b{margin-left:5px;color:var(--accent)}.customer-section{margin-bottom:16px;scroll-margin-top:20px}.inline-create{grid-template-columns:repeat(2,minmax(0,1fr));margin:17px 0;padding:18px;border:1px solid var(--line);border-radius:10px;background:#f7f8f9}.inline-create[hidden]{display:none}.inline-create button{grid-column:1/-1}.danger-action,.table-delete{border:0;border-radius:6px;background:#fde5e5;color:var(--danger);padding:8px 11px;font-weight:700;cursor:pointer}.table-delete{font-size:10px}
@media(max-width:900px){body:not(.login-page){grid-template-columns:1fr}aside{position:relative;height:auto;min-height:0;flex-direction:row;align-items:center;justify-content:space-between;padding:18px 22px}aside nav,.logout{display:none}.admin-main{padding:30px 18px 58px}.detail-grid,.customer-detail-head{grid-template-columns:1fr}}
@media(max-width:650px){.admin-head{align-items:flex-start;flex-direction:column}.stats,.customer-admin-grid,.settings-form,.inline-create{grid-template-columns:1fr}.settings-form button,.inline-create button{grid-column:auto}.panel{padding:19px}.login-card{padding:28px}dl{grid-template-columns:105px 1fr}}