:root{--orange:#f58220;--orange-dark:#d9680d;--dark:#15171b;--dark2:#20232a;--muted:#6b7280;--bg:#f3f5f8;--card:#fff;--border:#e2e6eb;--danger:#c62828}*{box-sizing:border-box}body{margin:0;font:14px/1.5 Arial,sans-serif;background:var(--bg);color:#1d2430}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}aside{position:sticky;top:0;height:100vh;background:var(--dark);color:#fff;padding:22px 16px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 24px}.brand img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:10px;padding:4px}.brand-mark{width:44px;height:44px;border-radius:10px;background:var(--orange);display:grid;place-items:center;font-size:20px;font-weight:900}.brand strong{display:block;font-size:16px}.brand small{display:block;color:#9ca3af}nav{display:flex;flex-direction:column;gap:5px}nav a{color:#e5e7eb;text-decoration:none;padding:11px 12px;border-radius:9px;font-weight:700}nav a:hover{background:var(--dark2);color:#fff}.nav-label{color:#737b88;text-transform:uppercase;font-size:11px;letter-spacing:.09em;padding:18px 12px 5px}.sidebar-user{margin-top:auto;border-top:1px solid #30343b;padding:16px 8px 0}.sidebar-user span,.sidebar-user small{display:block}.sidebar-user small{color:#9ca3af}.sidebar-user a{display:inline-block;color:#ffb276;margin-top:8px;text-decoration:none}main{min-width:0;padding:28px;max-width:1600px;width:100%;margin:auto}.page-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.page-title h1{margin:0;font-size:28px}.page-title p{margin:3px 0 0;color:var(--muted)}.user-chip{background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 13px}.grid{display:grid;grid-template-columns:minmax(320px,430px) minmax(0,1fr);gap:20px}section,.login-card,.confirm-box{background:var(--card);border:1px solid var(--border);border-radius:15px;box-shadow:0 5px 20px rgba(15,23,42,.05)}section{padding:20px}.table-wrap{overflow:auto}h2{margin-top:0}label{display:block;font-weight:700;margin:12px 0 5px}input,select,textarea{width:100%;padding:11px 12px;border:1px solid #cfd5dd;border-radius:9px;background:#fff;font:inherit}input:focus,select:focus,textarea:focus{outline:2px solid #ffd2ad;border-color:var(--orange)}textarea{min-height:90px}button,.btn{display:inline-block;border:0;border-radius:9px;padding:11px 16px;background:var(--orange);color:#fff;font-weight:700;cursor:pointer;margin-top:14px;text-decoration:none}button:hover,.btn:hover{background:var(--orange-dark)}.btn.secondary{background:#eef1f4;color:#333}.btn.danger{background:var(--danger)}.btn.small{padding:7px 10px;margin:0;font-size:12px}.actions{display:flex;gap:7px;white-space:nowrap}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border)}th{background:#fafbfc}.notice,.alert,.confirm-box{padding:13px 15px;margin-bottom:16px}.notice{background:#ecfdf5;color:#065f46}.alert{background:#fee2e2;color:#991b1b}.confirm-box{background:#fff7ed;border-color:#fdba74}.cols{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.muted,.acct,.remaining{color:var(--muted)}.mode-tabs{display:flex;gap:16px;background:#f7f8fa;padding:10px;border-radius:10px}.mode-tabs label,.check{display:flex;align-items:center;gap:8px;margin:0}.mode-tabs input,.check input{width:auto}.toolbar{max-width:480px;margin-bottom:16px}.code-list{padding:0;overflow:hidden}.code-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 20px;border-bottom:1px solid var(--border)}.code-row:last-child{border-bottom:0}.issuer{font-size:17px;font-weight:800}.code-side{display:flex;align-items:center;gap:14px}.code{margin:0;background:transparent;color:#141820;font-size:28px;letter-spacing:5px;padding:7px 10px}.code:hover{background:#fff4eb;color:var(--orange-dark)}.remaining{min-width:35px;text-align:right}.empty{padding:30px;text-align:center;color:var(--muted)}.toast{position:fixed;right:25px;bottom:25px;background:#111827;color:#fff;padding:11px 15px;border-radius:9px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:none}.login-card{width:min(430px,calc(100% - 30px));margin:9vh auto;padding:30px}.login-card h1{margin-bottom:0}.login-card p{color:var(--muted)}.login-logo{max-width:180px;max-height:80px;display:block;margin:0 auto 18px}.settings-card{max-width:950px}.settings-card h2{border-bottom:1px solid var(--border);padding-bottom:9px;margin-top:24px}@media(max-width:950px){.app-shell{grid-template-columns:1fr}aside{position:relative;height:auto}.grid{grid-template-columns:1fr}nav{display:grid;grid-template-columns:repeat(2,1fr)}.sidebar-user{margin-top:15px}main{padding:18px}.cols{grid-template-columns:1fr}}@media(max-width:600px){.code-row{align-items:flex-start}.code-side{flex-direction:column;align-items:flex-end;gap:2px}.code{font-size:22px;letter-spacing:3px}.page-title{align-items:flex-start}.user-chip{display:none}}