:root{--bg: #f5f5f5;--surface: #ffffff;--surface-hover: #f8f9fa;--border: #e0e0e0;--text: #333333;--text-dim: #666666;--accent: #003975;--accent-text: #ffffff;--input-bg: #ffffff;--input-border: #dddddd;--shadow: rgba(0, 0, 0, .1);--modal-bg: rgba(0, 0, 0, .5)}.dark{--bg: #0f1219;--surface: #1a1f2e;--surface-hover: #222838;--border: #2a3144;--text: #e2e8f0;--text-dim: #8892a6;--accent: #f59e0b;--accent-text: #0f1219;--input-bg: #1a1f2e;--input-border: #2a3144;--shadow: rgba(0, 0, 0, .3);--modal-bg: rgba(0, 0, 0, .7)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.theme-toggle{width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--surface);color:var(--text-dim);cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all .2s}.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}.lang-select{padding:5px 8px;border:1px solid var(--border);border-radius:4px;background:var(--surface);color:var(--text-dim);font-size:12px;font-weight:600;cursor:pointer;letter-spacing:1px}.login-toolbar{position:absolute;top:20px;right:20px;display:flex;gap:8px;align-items:center}.app{max-width:1200px;margin:0 auto;padding:20px;background:var(--bg);min-height:100vh;color:var(--text)}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg);position:relative}.login-box{background:var(--surface);padding:40px 32px;border-radius:8px;box-shadow:0 4px 12px var(--shadow);border:1px solid var(--border);width:100%;max-width:360px;display:flex;flex-direction:column;gap:12px}.login-box h1{font-size:24px;color:var(--accent);margin:0;text-align:center}.login-box .subtitle{color:var(--text-dim);font-size:13px;text-align:center;margin:-4px 0 8px}.login-box input{padding:10px 12px;border:1px solid var(--input-border);border-radius:4px;font-size:14px;width:100%;background:var(--input-bg);color:var(--text)}.login-box input::placeholder{color:var(--text-dim)}.login-box>button[type=submit]{padding:10px;background:var(--accent);color:var(--accent-text);border:none;border-radius:4px;font-size:14px;cursor:pointer;font-weight:600}.login-box>button[type=submit]:disabled{opacity:.6;cursor:default}.login-error{background:#fee2e2;color:#991b1b;padding:8px 12px;border-radius:4px;font-size:13px;text-align:center}.dark .login-error{background:#ef444426;color:#fca5a5}header{display:flex;align-items:center;gap:12px;margin-bottom:20px}header h1{font-size:24px;color:var(--accent)}.subtitle{color:var(--text-dim);font-size:14px}.spacer{flex:1}.btn-logout{padding:6px 14px;border:1px solid var(--border);background:var(--surface);border-radius:4px;cursor:pointer;font-size:13px;color:var(--text-dim)}.btn-logout:hover{background:var(--surface-hover)}nav{margin-bottom:20px;display:flex;gap:8px}nav button{padding:8px 16px;border:1px solid var(--border);background:var(--surface);border-radius:4px;cursor:pointer;font-size:14px;color:var(--text)}nav button.active{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.filters select,.filters input{padding:8px 12px;border:1px solid var(--input-border);border-radius:4px;font-size:14px;background:var(--input-bg);color:var(--text)}.filters input{flex:1;min-width:200px}.filters input::placeholder{color:var(--text-dim)}.filters>button{padding:8px 16px;background:var(--accent);color:var(--accent-text);border:none;border-radius:4px;cursor:pointer}.data-table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px var(--shadow)}.data-table th{text-align:left;padding:12px 16px;background:var(--surface-hover);font-size:13px;color:var(--text-dim);border-bottom:2px solid var(--border)}.data-table td{padding:10px 16px;border-bottom:1px solid var(--border);font-size:14px;color:var(--text)}.data-table tr:hover td{background:var(--surface-hover)}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:600}.badge.sent{background:#dcfce7;color:#166534}.badge.failed{background:#fee2e2;color:#991b1b}.badge.sandboxed{background:#fef3c7;color:#92400e}.badge.company{background:#dbeafe;color:#1e40af;text-transform:uppercase}.dark .badge.sent{background:#22c55e26;color:#4ade80}.dark .badge.failed{background:#ef444426;color:#fca5a5}.dark .badge.sandboxed{background:#f59e0b26;color:#fbbf24}.dark .badge.company{background:#3b82f626;color:#93c5fd}.btn-sm{padding:4px 10px;font-size:12px;background:var(--surface-hover);border:1px solid var(--border);border-radius:4px;cursor:pointer;color:var(--text)}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:16px;color:var(--text-dim)}.pagination button{padding:6px 14px;border:1px solid var(--border);background:var(--surface);border-radius:4px;cursor:pointer;color:var(--text)}.pagination button:disabled{opacity:.4;cursor:default}.stat-cards{display:flex;gap:16px;margin-bottom:20px;flex-wrap:wrap}.stat-card{background:var(--surface);padding:20px 24px;border-radius:8px;box-shadow:0 1px 3px var(--shadow);min-width:140px;border:1px solid var(--border)}.stat-value{font-size:28px;font-weight:700;color:var(--accent)}.stat-label{font-size:13px;color:var(--text-dim);text-transform:capitalize;margin-top:4px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--modal-bg);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border:1px solid var(--border);border-radius:8px;width:90%;max-width:800px;max-height:90vh;display:flex;flex-direction:column}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border);color:var(--text)}.modal-header h2{font-size:18px}.modal-header button{background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-dim)}.modal-meta{padding:12px 20px;font-size:14px;display:flex;flex-wrap:wrap;gap:16px;border-bottom:1px solid var(--border);color:var(--text)}.email-preview{flex:1;border:none;min-height:400px;background:#fff}@media(max-width:480px){.stat-cards,.filters{flex-direction:column}}