:root{--primary-color: #3b82f6;--primary-hover: #2563eb;--bg-color: #f3f4f6;--card-bg: #ffffff;--text-main: #1f2937;--text-secondary: #6b7280;--border-color: #e5e7eb;--success-color: #10b981;--error-color: #ef4444;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color:var(--text-main);background-color:var(--bg-color)}body{margin:0;min-width:320px;min-height:100vh}.app-container{max-width:1000px;margin:0 auto;padding:2rem;min-height:100vh;display:flex;flex-direction:column}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.app-header h1{margin:0;font-size:1.5rem;font-weight:700;color:var(--text-main)}.auth-settings{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-secondary)}.auth-input{padding:.4rem .8rem;border:1px solid var(--border-color);border-radius:6px;font-family:monospace;width:250px;background:var(--card-bg)}.tabs{display:flex;gap:1rem;margin-bottom:1.5rem;border-bottom:1px solid var(--border-color)}.tab-btn{background:none;border:none;padding:.8rem 1.2rem;font-size:1rem;font-weight:500;color:var(--text-secondary);cursor:pointer;position:relative;transition:all .2s}.tab-btn:hover,.tab-btn.active{color:var(--primary-color)}.tab-btn.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background-color:var(--primary-color)}.card{background:var(--card-bg);border-radius:12px;padding:2rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.card-header{margin-bottom:2rem}.card-header h2{margin:0 0 .5rem;font-size:1.25rem}.subtitle{margin:0;color:var(--text-secondary);font-size:.95rem}.search-bar{display:flex;gap:1rem;margin-bottom:1.5rem}.search-bar input{flex:1;padding:.8rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-size:1rem;transition:border-color .2s}.search-bar input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f61a}button{cursor:pointer;border-radius:8px;font-weight:500;transition:all .2s;border:1px solid transparent}.primary-btn{background-color:var(--primary-color);color:#fff;padding:.8rem 1.5rem}.primary-btn:hover:not(:disabled){background-color:var(--primary-hover)}.primary-btn:disabled{opacity:.6;cursor:not-allowed}.secondary-btn{background-color:#fff;border:1px solid var(--border-color);color:var(--text-main);padding:.8rem 1.2rem}.secondary-btn:hover:not(:disabled){border-color:var(--text-secondary);background-color:#f9fafb}.email-list{display:flex;flex-direction:column;gap:1.5rem}.empty-state{text-align:center;padding:3rem;color:var(--text-secondary);background:#f9fafb;border-radius:8px;border:1px dashed var(--border-color)}.email-item{border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;background:#fff}.email-row{display:flex;margin-bottom:.5rem;align-items:baseline}.email-row .label{width:70px;font-weight:600;color:var(--text-secondary);flex-shrink:0}.email-row .value{color:var(--text-main);flex:1;word-break:break-all}.email-row .value.subject{font-weight:600;font-size:1.1rem;color:var(--primary-color)}.content-row{margin-top:1rem;border-top:1px solid #f0f0f0;padding-top:1rem;display:block}.content-row .label{display:block;margin-bottom:.5rem}.content-html{background:#f9fafb;padding:1rem;border-radius:4px;overflow-x:auto;border:1px solid #f0f0f0}.bulk-actions{display:flex;flex-direction:column;gap:1.5rem}.input-group{display:flex;align-items:center;gap:1rem}.bulk-input{padding:.8rem 1rem;border:1px solid var(--border-color);border-radius:8px;font-family:monospace;font-size:.9rem}.bulk-input:focus{outline:none;border-color:var(--primary-color)}.action-buttons{display:flex;gap:1rem;flex-wrap:wrap}.preview-list{margin-top:2rem;border-top:1px solid var(--border-color);padding-top:1.5rem}.list-container{max-height:300px;overflow-y:auto;background:#f9fafb;border:1px solid var(--border-color);border-radius:8px;padding:1rem}.preview-item{font-family:monospace;padding:.25rem 0;border-bottom:1px solid #eee;display:flex;gap:1rem}.divider{color:var(--text-secondary)}.status-msg{padding:1rem;border-radius:8px;margin-bottom:1.5rem;font-weight:500}.status-msg.info{background-color:#eff6ff;color:#1e40af}.status-msg.success{background-color:#ecfdf5;color:#047857}.status-msg.error{background-color:#fef2f2;color:#b91c1c}.fade-in{animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}