body {
    font-family: 'Inter', sans-serif;
}

.tab-btn {
    width: 50%;
    padding: 15px;
    cursor: pointer;
    background: transparent;
    border: 0;
    outline: none;
    color: #6b7280; /* gray-500 */
    font-weight: 600;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-btn.active {
    color: #2563eb; /* blue-600 */
    border-bottom-color: #2563eb; /* blue-600 */
}

.form-input {
    width: 100%;
    padding: 10px;
    margin: 5px 0 22px 0;
    display: inline-block;
    border: none;
    background: #f1f1f1;
    border-radius: 8px;
}

.form-input:focus {
    background-color: #ddd;
    outline: none;
}

.toast {
    position: fixed;
    bottom: -100px; /* Start off-screen */
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: bottom 0.5s ease-in-out;
    z-index: 1000;
}

.toast.show {
    bottom: 30px; /* Slide in */
}

.toast.success {
    background-color: #22c55e; /* green-500 */
}

.toast.error {
    background-color: #ef4444; /* red-500 */
}