*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--bg: #f8fafc;--card-bg: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-secondary: #64748b;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}#root{min-height:100vh}.admin-login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.admin-login-form{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;padding:32px;width:360px;display:flex;flex-direction:column;gap:16px}.admin-login-form h2{text-align:center;font-size:1.3rem;font-weight:700;color:var(--text)}.admin-login-form input{padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;background:var(--bg);color:var(--text);outline:none;transition:border-color .2s}.admin-login-form 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20px;margin-bottom:20px}.email-address-wrapper{display:flex;gap:8px;margin-bottom:12px}.email-address{flex:1;padding:10px 14px;font-size:1.05rem;font-family:SF Mono,Fira Code,monospace;border:2px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);cursor:pointer;outline:none;transition:border-color .2s}.email-address:hover,.email-address:focus{border-color:var(--primary)}.btn-copy{padding:10px 20px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s}.btn-copy:hover{background:var(--primary-hover)}.email-meta{display:flex;justify-content:space-between;align-items:center}.timer{font-size:.85rem;color:var(--text-secondary);font-variant-numeric:tabular-nums}.btn-refresh{padding:6px 16px;background:transparent;color:var(--primary);border:1px solid var(--primary);border-radius:6px;font-size:.85rem;font-weight:500;cursor:pointer;transition:all 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.15s}.email-item:last-child{border-bottom:none}.email-item:hover{background:var(--bg)}.email-sender{font-size:.85rem;font-weight:600;margin-bottom:2px;color:var(--text)}.email-subject{font-size:.9rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attachment-badge{margin-left:6px;font-size:.85rem}.email-time{font-size:.75rem;color:var(--text-secondary);margin-top:4px}.email-detail{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;overflow:hidden}.detail-toolbar{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1px solid var(--border);background:var(--bg)}.btn-back{padding:6px 14px;background:transparent;color:var(--text);border:1px solid var(--border);border-radius:6px;font-size:.85rem;cursor:pointer;transition:all .2s}.btn-back:hover{background:var(--card-bg);border-color:var(--text-secondary)}.btn-delete{padding:6px 14px;background:transparent;color:var(--danger);border:1px solid var(--danger);border-radius:6px;font-size:.85rem;cursor:pointer;transition:all .2s}.btn-delete:hover{background:var(--danger);color:#fff}.detail-header{padding:16px 20px;border-bottom:1px solid var(--border)}.detail-subject{font-size:1.2rem;font-weight:700;margin-bottom:8px}.detail-meta{font-size:.8rem;color:var(--text-secondary);display:flex;flex-direction:column;gap:2px}.detail-body{padding:20px;min-height:200px}.detail-body iframe{width:100%;min-height:300px;border:none}.detail-body-text{white-space:pre-wrap;font-size:.9rem;line-height:1.7}.detail-attachments{padding:16px 20px;border-top:1px solid var(--border);background:var(--bg)}.detail-attachments h3{font-size:.85rem;font-weight:600;margin-bottom:8px;color:var(--text-secondary)}.attachment-list{list-style:none;display:flex;flex-wrap:wrap;gap:8px}.attachment-item{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:var(--card-bg);border:1px solid var(--border);border-radius:6px;font-size:.8rem;color:var(--primary);text-decoration:none;transition:border-color .2s}.attachment-item:hover{border-color:var(--primary)}.attachment-size{color:var(--text-secondary);font-size:.75rem}.footer{text-align:center;padding:20px;font-size:.8rem;color:var(--text-secondary)}@media(max-width:480px){.container{padding:12px}.header h1{font-size:1.5rem}.email-address{font-size:.85rem}.email-meta{flex-direction:column;gap:8px;align-items:stretch}.btn-refresh{text-align:center}}