:root{color:#172033;background:#eef3fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--blue: #3178ff;--blue-dark: #1d4ed8;--green: #19a974;--amber: #f59e0b;--red: #ef4444;--ink: #172033;--muted: #667085;--line: #dbe4f0;--panel: #ffffff;--bg: #eef3fb}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.page-shell{min-height:100vh;display:grid;grid-template-columns:286px minmax(0,1fr);background:radial-gradient(circle at top right,rgba(49,120,255,.14),transparent 32%),var(--bg)}.sidebar{position:sticky;top:0;height:100vh;padding:30px 22px;color:#fff;background:linear-gradient(180deg,#60a5fa 0%,#2563eb 62%,#1e40af 100%);box-shadow:18px 0 40px #2563eb29}.brand-mark{display:flex;align-items:center;gap:14px}.logo{width:50px;height:50px;display:grid;place-items:center;border-radius:16px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);font-size:28px;font-weight:900}.brand-mark strong{display:block;font-size:23px;letter-spacing:-.02em}.brand-mark span{display:block;margin-top:3px;color:#ffffffb8;font-size:12px;text-transform:uppercase;letter-spacing:.12em}.nav-stack{margin-top:46px;display:grid;gap:12px}.nav-item{height:48px;padding:0 18px;border:0;border-radius:15px;background:transparent;color:#ffffffbf;text-align:left;font-weight:750}.nav-item.active,.nav-item:hover{background:rgba(255,255,255,.18);color:#fff}.side-card{position:absolute;left:22px;right:22px;bottom:28px;padding:24px;border-radius:22px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22)}.side-card span,.side-card small{display:block;color:#ffffffbf}.side-card strong{display:block;margin:8px 0 6px;font-size:54px;line-height:1}.workspace{min-width:0;padding:28px}.topbar{min-height:138px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px;border-radius:28px;background:rgba(255,255,255,.9);box-shadow:0 18px 48px #0f172a14;border:1px solid rgba(219,228,240,.8)}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.16em;text-transform:uppercase}h1,h2,h3{margin:0;color:var(--ink);letter-spacing:-.03em}h1{font-size:36px}h2{font-size:20px}h3{font-size:18px}.topbar span,.card-title span,.message-list small,.message-detail small{color:var(--muted)}.topbar-actions{display:flex;gap:12px}.primary-button,.ghost-button,.success-button,.danger-button{height:44px;padding:0 18px;border-radius:14px;border:0;font-weight:850;white-space:nowrap}.primary-button{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;box-shadow:0 10px 24px #2563eb3d}.ghost-button{background:#f8fafc;color:#334155;border:1px solid var(--line)}.success-button{background:#16a34a;color:#fff}.danger-button{background:#ef4444;color:#fff}.wide{width:100%}.metrics-grid{margin-top:22px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.metric-card{min-height:126px;padding:22px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 36px #0f172a0f}.metric-card span,.metric-card small{display:block;color:var(--muted);font-weight:650}.metric-card strong{display:block;margin:8px 0 5px;font-size:36px}.metric-card.blue strong{color:var(--blue)}.metric-card.green strong{color:var(--green)}.metric-card.amber strong{color:var(--amber)}.metric-card.red strong{color:var(--red)}.control-panel{margin-top:18px;display:grid;grid-template-columns:minmax(220px,1fr) 180px 160px auto auto;gap:12px;align-items:end;padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line)}.search-box,.select-box,.modal-grid label{display:grid;gap:8px;color:var(--muted);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--ink);outline:0}input,select{height:44px;padding:0 14px}textarea{min-height:160px;padding:14px;resize:vertical;line-height:1.5}input:focus,select:focus,textarea:focus{border-color:#3178ffb8;box-shadow:0 0 0 4px #3178ff1a}.api-error{margin:12px 0 0;color:var(--red);font-weight:750}.content-grid{margin-top:18px;display:grid;grid-template-columns:minmax(680px,1fr) 420px;gap:18px;align-items:start}.table-card,.reader-card{overflow:hidden;border-radius:26px;background:#fff;border:1px solid var(--line);box-shadow:0 18px 48px #0f172a12}.card-title{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-bottom:1px solid var(--line)}.card-title.compact{padding-bottom:18px}.loading-pill{padding:6px 10px;border-radius:999px;background:#eff6ff;color:var(--blue)!important;font-size:12px;font-weight:900}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th{height:48px;padding:0 14px;background:#f8fafc;color:#64748b;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.08em}td{min-height:64px;padding:14px;border-top:1px solid #edf2f7;color:#273145;vertical-align:middle}td strong,td small{display:block}td small{margin-top:5px;color:var(--muted)}tbody tr{transition:background .16s ease}tbody tr:hover,tbody tr.selected{background:#f8fbff}.check-col{width:54px}.check-box{width:28px;height:28px;border-radius:8px;border:1px solid #cbd5e1;background:#fff;color:transparent;font-weight:900}.check-box.checked{background:var(--blue);color:#fff;border-color:var(--blue)}.soft-tag{display:inline-flex;padding:7px 10px;border-radius:999px;background:#f1f5f9;color:#475569;font-weight:800}.state-pill{display:inline-flex;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:900;text-transform:capitalize}.state-pill.active{color:#047857;background:#d1fae5}.state-pill.expiring{color:#b45309;background:#fef3c7}.state-pill.invalid{color:#b91c1c;background:#fee2e2}.row-actions{white-space:nowrap}.row-actions button{margin-right:8px;border:0;background:transparent;color:var(--blue);font-weight:850}.row-actions button:last-child{color:var(--red)}.empty-state,.empty-reader{padding:36px;color:var(--muted);text-align:center}.pager{height:64px;display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:0 18px;border-top:1px solid var(--line);background:#fbfdff}.pager button,.pager select{height:38px}.pager button{padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:800}.pager select{width:118px}.reader-card{position:sticky;top:18px}.folder-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:14px}.folder-tabs button{height:38px;border:1px solid var(--line);border-radius:12px;background:#fff;color:#475569;font-weight:850}.folder-tabs button.active{background:#eff6ff;color:var(--blue);border-color:#3178ff59}.mailbox-code{margin:0 14px 10px;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,rgba(239,246,255,.95),rgba(248,250,252,.98));border:1px solid rgba(49,120,255,.14);box-shadow:inset 0 1px #ffffffa6}.mailbox-code span{display:block;color:var(--muted);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.mailbox-code strong{display:block;margin-top:8px;color:var(--blue-dark);font-size:32px;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:.14em}.mailbox-code strong.empty{color:#94a3b8;font-size:16px;letter-spacing:.03em}.mailbox-code small{display:block;margin-top:8px;color:var(--muted)}.message-list{max-height:310px;overflow:auto;padding:0 14px 14px;display:grid;gap:10px}.message-list button{padding:14px;border:1px solid var(--line);border-radius:16px;background:#fff;text-align:left}.message-list button.active{border-color:#3178ff73;background:#f8fbff}.message-list strong,.message-list span{display:block}.message-list span{margin:5px 0;color:var(--blue-dark);font-size:12px;font-weight:850}.message-detail{margin:0 14px 14px;padding:18px;border-radius:18px;background:#f8fafc;border:1px solid var(--line)}.message-detail header span{display:inline-flex;margin-bottom:10px;padding:6px 9px;border-radius:999px;background:#e0f2fe;color:#0369a1;font-size:12px;font-weight:900;text-transform:uppercase}.message-detail p{color:#334155;line-height:1.7}.modal-backdrop{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:28px;background:rgba(15,23,42,.45);backdrop-filter:blur(8px)}.modal-backdrop.top{z-index:25}.modal-card{width:min(980px,96vw);max-height:92vh;overflow:auto;padding:24px;border-radius:28px;background:#fff;box-shadow:0 24px 70px #0f172a47}.modal-card header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.icon-button{width:38px;height:38px;border:0;border-radius:12px;background:#f1f5f9;color:#334155;font-size:24px}.modal-grid{display:grid;grid-template-columns:220px 1fr;gap:16px}.raw-area{grid-column:1 / -1}.preview-strip{margin:16px 0;display:flex;gap:10px}.preview-strip strong{padding:10px 13px;border-radius:999px;background:#f8fafc;border:1px solid var(--line)}.preview-table{max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:18px}.modal-card footer{margin-top:18px;display:flex;justify-content:flex-end;gap:10px}.confirm-modal{width:min(520px,94vw)}.confirm-modal p{color:var(--muted);line-height:1.7}.toast{position:fixed;right:24px;bottom:24px;z-index:40;padding:14px 18px;border-radius:16px;background:#0f172a;color:#fff;box-shadow:0 14px 32px #0f172a4d;font-weight:750}@media (max-width: 1180px){.page-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;display:none}.content-grid,.metrics-grid,.control-panel{grid-template-columns:1fr}.reader-card{position:relative;top:0}.topbar{align-items:flex-start;flex-direction:column}}