*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fa;--surface: #ffffff;--text: #202124;--text-secondary: #5f6368;--primary: #1a73e8;--green: #2e7d32;--green-bg: #e8f5e9;--red: #c62828;--border: #dadce0;--radius: 8px}body{font-family:Google Sans,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}.container{max-width:960px;margin:0 auto;padding:24px 16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px}.header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--border);margin-bottom:24px}.header h1{font-size:20px;font-weight:500}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:24px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.stat-card .value{font-size:28px;font-weight:600;color:var(--primary)}.stat-card .label{font-size:12px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.email-table{width:100%;border-collapse:collapse}.email-table th,.email-table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:13px}.email-table th{color:var(--text-secondary);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.5px}.email-table tr:hover td{background:#f1f3f4}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:500}.badge--opened{background:var(--green-bg);color:var(--green)}.badge--pending{background:#f5f5f5;color:var(--text-secondary)}.search-bar{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:14px;outline:none;margin-bottom:16px}.search-bar:focus{border-color:var(--primary)}.timeline{list-style:none;padding-left:20px;border-left:2px solid var(--border)}.timeline li{position:relative;padding:8px 0 8px 16px;font-size:13px;color:var(--text-secondary)}.timeline li:before{content:"";position:absolute;left:-7px;top:14px;width:10px;height:10px;border-radius:50%;background:var(--primary);border:2px solid var(--surface)}.back-link{display:inline-block;margin-bottom:16px;font-size:13px}.loading{text-align:center;padding:40px;color:var(--text-secondary)}.error{text-align:center;padding:20px;color:var(--red)}