:root{color-scheme:light;font-family:Inter,Segoe UI,sans-serif;background:linear-gradient(180deg,#edf5ff,#f7f9ff 42%,#f8fafc);color:#111827}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,rgba(59,130,246,.12),transparent 30%),radial-gradient(circle at bottom right,rgba(147,197,253,.15),transparent 30%),linear-gradient(180deg,#eef6ff,#f7f9ff 40%,#f5f7fb)}button,input,select,textarea{font:inherit}.app-shell{max-width:1220px;margin:0 auto;padding:36px 24px 56px}header{display:grid;gap:12px;grid-template-columns:1fr auto;align-items:center;margin-bottom:30px;padding:4px 6px}header h1{margin:0;font-size:clamp(2.2rem,2.8vw,3.3rem);letter-spacing:-.06em}header p{margin:0;color:#475569;max-width:760px;line-height:1.6}.auth-actions button,.button-row button{background:linear-gradient(135deg,#3b82f6,#2563eb);border:none;color:#fff;padding:12px 18px;font-size:.98rem;border-radius:999px;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease;box-shadow:0 14px 30px #2563eb2e;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600}.auth-actions button:hover,.button-row button:hover{filter:brightness(1.04);transform:translateY(-1px) scale(1.01);box-shadow:0 18px 32px #2563eb33}.button-row button[disabled]{opacity:.6;cursor:not-allowed;transform:none}.box{background:#ffffffd6;border:1px solid rgba(148,163,184,.18);border-radius:28px;padding:28px;box-shadow:0 22px 60px #0f172a0f;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);margin-bottom:24px}.box h2{margin-top:0;font-size:1.35rem;letter-spacing:-.02em}.filter-grid,.form-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.count-badge{display:inline-flex;align-items:center;gap:8px;margin-top:14px;padding:10px 14px;background:linear-gradient(135deg,#eff6ff,#dbeafe);color:#1d4ed8;border-radius:999px;font-weight:600;border:1px solid rgba(59,130,246,.18)}label{display:grid;gap:10px;font-weight:600;color:#334155}input,select,textarea{width:100%;border:1px solid #d1d5db;border-radius:16px;padding:14px 16px;background:#f8fafc;transition:border-color .2s ease,box-shadow .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 4px #2563eb1f}textarea{min-height:140px;resize:vertical}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.preview-tools{margin-bottom:14px}.mailbox-box{background:linear-gradient(135deg,#f5f8ff,#eef4ff)}.mailbox-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-top:18px}.stat-pill{background:#fff;border:1px solid #dbeafe;border-radius:18px;padding:18px 20px;display:grid;gap:8px}.stat-pill span{color:#64748b;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}.stat-pill strong{font-size:1.4rem}.table-wrap{overflow-x:auto;border-radius:20px;border:1px solid #e2e8f0}.icon-button{background:#fff;border:1px solid rgba(15,23,42,.06);width:36px;height:36px;padding:6px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.icon-button svg{color:#0f172a}.icon-button:hover{transform:translateY(-2px);box-shadow:0 8px 18px #02061714}.icon-button.danger{background:linear-gradient(135deg,#fff1f2,#fee2e2);border-color:#b91c1c1f}.icon-button.danger svg{color:#b91c1c}table{width:100%;border-collapse:collapse;min-width:740px}thead{background:#f8fafc}th,td{text-align:left;padding:16px;border-bottom:1px solid #e2e8f0}th{color:#334155;font-weight:700;text-transform:uppercase;font-size:.78rem;letter-spacing:.08em}tr:hover{background:#f8fafc}.error-message,.status-message{margin:18px 0;padding:16px 18px;border-radius:16px}.error-message{background:#fee2e2;color:#b91c1c}.status-message{background:#e0f2fe;color:#0c4a6e}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a8c;display:flex;align-items:center;justify-content:center;padding:24px;z-index:1000}.message-modal{width:min(760px,100%);max-height:80vh;overflow:auto;background:#fff;border-radius:22px;box-shadow:0 30px 80px #0f172a47;padding:24px}.message-modal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.message-modal-header h3{margin:0}.message-body-text{white-space:pre-wrap;line-height:1.7;color:#1f2937;background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:18px}@media (max-width: 720px){.app-shell{padding:20px 16px 32px}header{grid-template-columns:1fr}.box{padding:22px}th,td{padding:14px}}