:root{--color-bg: #f6f7f9;--color-surface: #ffffff;--color-border: #e2e5e9;--color-text: #1f2430;--color-text-muted: #6b7280;--color-primary: #2f5e4e;--color-primary-hover: #24493c;--color-danger: #b3261e;--color-danger-bg: #fdecea;--color-success: #1e7a3c;--color-success-bg: #e8f5ea;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text)}main{min-height:100vh}h1{font-size:1.6rem;margin:0 0 1rem}h2{font-size:1.15rem;margin:1.75rem 0 .75rem}.page{max-width:1100px;margin:0 auto;padding:1.5rem}.page-header{display:flex;justify-content:space-between;align-items:center}.muted{color:var(--color-text-muted)}.small{font-size:.8rem}.text-danger{color:var(--color-danger);font-weight:600}.text-credit{color:var(--color-success);font-weight:600}.back-link{display:inline-block;margin-bottom:.75rem;color:var(--color-primary);text-decoration:none}.back-link:hover{text-decoration:underline}.navbar{display:flex;align-items:center;gap:1.5rem;padding:.75rem 1.5rem;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.navbar-brand{font-weight:700;color:var(--color-primary)}.navbar-links{display:flex;gap:1rem;flex:1}.nav-link{color:var(--color-text-muted);text-decoration:none;padding:.4rem .2rem;border-bottom:2px solid transparent}.nav-link.active,.nav-link:hover{color:var(--color-text);border-bottom-color:var(--color-primary)}.navbar-user{display:flex;align-items:center;gap:.75rem;font-size:.9rem;color:var(--color-text-muted)}button{background:var(--color-primary);color:#fff;border:none;border-radius:6px;padding:.55rem 1rem;font-size:.9rem;cursor:pointer}button:hover{background:var(--color-primary-hover)}button:disabled{opacity:.6;cursor:not-allowed}.btn-link{background:none;color:var(--color-primary);padding:0;text-decoration:underline;font-size:.85rem}.btn-link:hover{background:none;color:var(--color-primary-hover)}label{display:flex;flex-direction:column;gap:.3rem;font-size:.85rem;color:var(--color-text-muted);margin-bottom:.75rem}input,select,textarea{padding:.5rem .6rem;border:1px solid var(--color-border);border-radius:6px;font-size:.95rem;color:var(--color-text);background:#fff;font-family:inherit}textarea{resize:vertical}.checkbox-label{flex-direction:row;align-items:center;gap:.4rem}.checkbox-label input{width:auto}.card-form,.inline-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:1.25rem;margin-bottom:1.25rem}.inline-form{display:flex;gap:.75rem;align-items:flex-end;flex-wrap:wrap}.inline-form input{min-width:180px}.form-row{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-bottom:.75rem}.alert-error,.alert-success{padding:.6rem .9rem;border-radius:6px;margin-bottom:1rem;font-size:.9rem}.alert-error{background:var(--color-danger-bg);color:var(--color-danger)}.alert-success{background:var(--color-success-bg);color:var(--color-success)}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:1.1rem}.stat-label{font-size:.8rem;color:var(--color-text-muted);margin-bottom:.3rem}.stat-value{font-size:1.5rem;font-weight:700}.data-table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;overflow:hidden}.data-table th,.data-table td{text-align:left;padding:.65rem .9rem;border-bottom:1px solid var(--color-border);font-size:.9rem}.data-table th{background:#fafbfc;font-weight:600;color:var(--color-text-muted)}.data-table tr:last-child td{border-bottom:none}.data-table.selectable td:first-child{width:2rem}.data-table a{color:var(--color-primary);text-decoration:none;font-weight:600}.data-table a:hover{text-decoration:underline}.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.75rem;font-weight:600;text-transform:capitalize}.badge-active,.badge-sent{background:var(--color-success-bg);color:var(--color-success)}.badge-inactive,.badge-failed{background:var(--color-danger-bg);color:var(--color-danger)}.badge-pending{background:#fff6e0;color:#8a6d00}.person-list{list-style:none;padding:0;margin:0}.person-list li{background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:.6rem .9rem;margin-bottom:.5rem;font-size:.9rem}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:2rem;width:100%;max-width:340px}.login-card h1{font-size:1.3rem;margin-bottom:.2rem}.login-card .subtitle{color:var(--color-text-muted);font-size:.9rem;margin-bottom:1.25rem}.login-card button{width:100%;margin-top:.5rem}