*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%}.login-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;background:linear-gradient(120deg,#f6d365,#fda085)}.login-form{display:flex;flex-direction:column;gap:1.5rem;padding:2.5rem 2rem;border:none;border-radius:16px;background:#fff;box-shadow:0 8px 32px #3c3c7826;min-width:320px}.login-form div{display:flex;flex-direction:column}.login-form label{margin-bottom:.5rem}.login-form input{padding:.75rem;border:1px solid #ddd;border-radius:8px;font-size:1rem;transition:border-color .2s}.login-form input:focus{border-color:#fda085;outline:none}.login-form button{padding:.75rem;border:none;border-radius:8px;background:linear-gradient(90deg,#f6d365,#fda085);color:#fff;font-weight:600;font-size:1rem;cursor:pointer;box-shadow:0 2px 8px #3c3c781a;transition:background .2s}.login-form button:hover{background:linear-gradient(90deg,#fda085,#f6d365)}.error{color:red;margin-top:1rem}.dashboard-container{display:flex;flex-direction:column;height:100vh;background-color:#f0f2f5}.dashboard-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background-color:#fff;border-bottom:1px solid #ddd;box-shadow:0 2px 4px #0000001a}.dashboard-header h1{color:#333}.dashboard-nav{display:flex;gap:1rem}.dashboard-nav button{padding:.5rem 1rem;border:none;background:none;cursor:pointer;font-size:1rem;color:#555;transition:color .3s}.dashboard-nav button:hover{color:#007bff}.tab-active{color:#007bff;border-bottom:2px solid #007bff}.dashboard-container main{flex-grow:1;padding:2rem}.filters-row{display:flex;gap:1rem;margin-bottom:1.5rem;align-items:center}.filters-row input,.filters-row select{padding:.5rem;border:1px solid #ccc;border-radius:4px}.generate-btn{padding:.75rem 1.5rem;border:none;background-color:#007bff;color:#fff;border-radius:4px;cursor:pointer;transition:background-color .3s;margin-bottom:1.5rem}.generate-btn:hover{background-color:#0056b3}.action-bar-stacked{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-bottom:1.5rem}.cert-table{width:100%;border-collapse:collapse;background-color:#fff;box-shadow:0 2px 4px #0000001a}.cert-table th,.cert-table td{border:1px solid #ddd;padding:1rem;text-align:left}.cert-table th{background-color:#f8f9fa}.dashboard-footer{padding:1rem;background-color:#fff;border-top:1px solid #ddd;text-align:center;color:#777}.toast{position:fixed;bottom:1rem;right:1rem;background-color:#28a745;color:#fff;padding:1rem;border-radius:5px;box-shadow:0 2px 4px #0003}.toast-close{background:none;border:none;color:#fff;font-size:1.2rem;cursor:pointer;margin-left:1rem}